AI-generatedDerby, Western Australia at a glance
- Best time
- May – Aug
- Warmest month
- Nov · 39°
- Warmest sea
- Mar · 30.7°
- Sunshine a year
- 3,110 h
- Rain a year
- 715 mm
- Climate
- Tropical
- Time zone
- UTC+8
- Elevation
- 13 m
Climate in Derby, Western Australia
Derby, Western Australia has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. November is the warmest month with average highs of 39 °C, while June is the coolest at 31 °C. With around 3,110 hours of sunshine a year, Derby, Western Australia is very sunny; November is the sunniest month with 10.0 hours a day.
Holiday weather through the year
Best time to visit Derby, Western Australia
The best time to visit Derby, Western Australia is from May to August. For a beach holiday – sea from 21 °C, warm and mostly dry – go from March to December. From August to May it can get very hot, with highs of up to 39 °C. The rainy season is from December to March; the wettest month is January with 237 mm.
Derby, Western Australia through the seasons
How the weather changes over the seasons, with averages for each.
Derby, Western Australia in the dry season
Apr – Nov
Excellent
- 31–39 °C by day
- Sea 27 °C
- 9.0 h of sun a day
- 11 rainy days in all
Derby, Western Australia in the rainy season
Dec – Mar
Good
- 35–37 °C by day
- Sea 31 °C
- 7.5 h of sun a day
- 46 rainy days in all
Which month for what?
Beach & swimming
Mar – Dec
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Peak heat
Aug – May
Highs of 33 °C or more
Rainy months
Dec – Mar
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Derby, Western Australia for you.
Your best months: June – July
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Good
Best time to visit: May – August
Where to go in OctoberSea temperature in October
Good forBeach & swimming
Keep in mindPeak heat
A typical day in October
- Morning, 08:00: about 31°
- Midday, 13:00: about 38°
- Afternoon, 16:00: about 36°
- Evening, 20:00: about 30°
- Night, 23:00: about 27°
05:1717:45
Warm enough for a T-shirt in the evening.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:04–05:46 · evening 17:16–17:58
- Blue hour
- Morning 04:55–05:04 · evening 17:58–18:07
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Derby, Western Australia compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs rise from about 37° at the start of the month to 38° at the end. The sea warms from 27° to 29°. The days get 0.5 h longer.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 37° | 38° |
| Night-time low | 22° | 25° |
| Sea | 27° | 29° |
| Daylight | 12.2 h | 12.7 h |
What is the weather like in Derby, Western Australia in October?
In October, Derby, Western Australia is very hot: daytime highs average 38 °C, and even at night it stays warm at around 24 °C. The sea averages 28.1 °C – lovely and warm for swimming. With around 9.8 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, October is a good month for a holiday in Derby, Western Australia.
More details for October
- Daylight
- 12 h 28 min05:17 – 17:45
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 21 daysdew point 18 °C or moreAll months
- Wind
- 26 km/haverage daily peakAll months
- Cloud cover
- 22 %on averageAll months
- Hot days
- 31 days30 °C or moreAll months
- Time zone
- UTC+8offset from UTC
How the score comes together
- Temperatureweight 35 %4 %
- Seaweight 25 %100 %
- Sunshineweight 20 %100 %
- Few rainy daysweight 20 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
Compare two months in Derby, Western Australia
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Derby, Western Australia: score 97 against 66. In June, days are 7 °C cooler than in October. The sea is 3 °C cooler in June. The sun shines 2 hours less a day in June.
| Month | October | June |
|---|---|---|
| Holiday weather score | 66 | 97better |
| Daytime high | 38° | 31° |
| Night-time low | 24° | 16° |
| Sea | 28.1° | 24.8° |
| Sunshine | 9.8 hbetter | 8.2 h |
| Rainy days | 1 | 1 |
| Rainfall | 6 mm | 10 mm |
| Muggy days | 21 | 3better |
Based on the climate averages 1996–2025.
Derby, Western Australia month by month
The typical weather for every month at a glance.
59January35° · Sea 31° · 7.2 h
In January, Derby, Western Australia is very hot: daytime highs average 35 °C, and even at night it stays warm at around 26 °C. The sea averages 30.5 °C – almost as warm as a bath. The sun shines for around 7.2 hours a day. It is the rainy season: rain falls on about 13 days, totalling 237 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, January is a so-so month for a holiday in Derby, Western Australia.
Derby, Western Australia in January60February35° · Sea 31° · 6.8 h
In February, Derby, Western Australia is very hot: daytime highs average 35 °C, and even at night it stays warm at around 26 °C. The sea averages 30.5 °C – almost as warm as a bath. The sun shines for around 6.8 hours a day. It is the rainy season: rain falls on about 13 days, totalling 165 mm. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is a good month for a holiday in Derby, Western Australia.
Derby, Western Australia in February62March36° · Sea 31° · 7.6 h
In March, Derby, Western Australia is very hot: daytime highs average 36 °C, and even at night it stays warm at around 25 °C. The sea averages 30.7 °C – almost as warm as a bath. The sun shines for around 7.6 hours a day. It is the rainy season: rain falls on about 11 days, totalling 118 mm. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is a good month for a holiday in Derby, Western Australia.
Derby, Western Australia in March73April36° · Sea 30° · 8.5 h
In April, Derby, Western Australia is very hot: daytime highs average 36 °C, and even at night it stays warm at around 23 °C. The sea averages 30.3 °C – almost as warm as a bath. The sun shines for around 8.5 hours a day. Rain is rare: about 3 days bring 26 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, April is a good month for a holiday in Derby, Western Australia.
Derby, Western Australia in April86May33° · Sea 28° · 8.3 h
In May, Derby, Western Australia is very hot: daytime highs average 33 °C, and nights cool down to about 19 °C. The sea averages 27.6 °C – lovely and warm for swimming. The sun shines for around 8.3 hours a day. It hardly ever rains. On about 28 days the thermometer climbs to 30 °C or more. All in all, May is an excellent month for a holiday in Derby, Western Australia.
Derby, Western Australia in May97June31° · Sea 25° · 8.2 h
In June, Derby, Western Australia is hot: daytime highs average 31 °C, and nights cool down to about 16 °C. The sea averages 24.8 °C – pleasant for swimming. The sun shines for around 8.2 hours a day. It hardly ever rains. On about 21 days the thermometer climbs to 30 °C or more. All in all, June is an excellent month for a holiday in Derby, Western Australia.
Derby, Western Australia in June94July31° · Sea 23° · 8.5 h
In July, Derby, Western Australia is hot: daytime highs average 31 °C, and nights cool down to about 15 °C. The sea averages 23.2 °C – pleasant for swimming. The sun shines for around 8.5 hours a day. It hardly ever rains. On about 23 days the thermometer climbs to 30 °C or more. All in all, July is an excellent month for a holiday in Derby, Western Australia.
Derby, Western Australia in July88August33° · Sea 23° · 9.2 h
In August, Derby, Western Australia is very hot: daytime highs average 33 °C, and nights cool down to about 15 °C. The sea averages 23.4 °C – pleasant for swimming. With around 9.2 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 29 days the thermometer climbs to 30 °C or more. All in all, August is an excellent month for a holiday in Derby, Western Australia.
Derby, Western Australia in August74September36° · Sea 26° · 9.6 h
In September, Derby, Western Australia is very hot: daytime highs average 36 °C, and nights cool down to about 19 °C. The sea averages 25.5 °C – pleasant for swimming. With around 9.6 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The thermometer climbs to 30 °C or more every day. All in all, September is a good month for a holiday in Derby, Western Australia.
Derby, Western Australia in September66October38° · Sea 28° · 9.8 h
In October, Derby, Western Australia is very hot: daytime highs average 38 °C, and even at night it stays warm at around 24 °C. The sea averages 28.1 °C – lovely and warm for swimming. With around 9.8 hours of sunshine a day, there is plenty of sun. It hardly ever rains. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, October is a good month for a holiday in Derby, Western Australia.
Derby, Western Australia in October65November39° · Sea 30° · 10.0 h
In November, Derby, Western Australia is very hot: daytime highs average 39 °C, and even at night it stays warm at around 26 °C. The sea averages 29.9 °C – almost as warm as a bath. With around 10.0 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 14 mm in total. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, November is a good month for a holiday in Derby, Western Australia.
Derby, Western Australia in November60December37° · Sea 31° · 8.5 h
In December, Derby, Western Australia is very hot: daytime highs average 37 °C, and even at night it stays warm at around 26 °C. The sea averages 30.5 °C – almost as warm as a bath. The sun shines for around 8.5 hours a day. It is the rainy season: rain falls on about 9 days, totalling 112 mm. The thermometer climbs to 30 °C or more every day. The air is often humid and muggy. All in all, December is a good month for a holiday in Derby, Western Australia.
Derby, Western Australia in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Derby, Western Australia
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Pleasant 15–20°
- Warm 20–24°
- Hot 24° and more
- muggy month (15+ muggy days)
HotOctober: nights around 24°. Hot nights: air conditioning makes sleeping much easier. Muggy on about 21 days (dew point 18 °C or more).
The coolest nights are in July (15°), the warmest in December (26°). Tropical nights of 20 °C and more are the rule from October to April; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from May to September. It is muggy (dew point 18 °C or more) on about 206 days a year, mostly from October to April.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 59 | 35° | 26° | 30.5° | 7.2 h | 13 | 237 |
| FebruaryFeb | 60 | 35° | 26° | 30.5° | 6.8 h | 13 | 165 |
| MarchMar | 62 | 36° | 25° | 30.7° | 7.6 h | 11 | 118 |
| AprilApr | 73 | 36° | 23° | 30.3° | 8.5 h | 3 | 26 |
| MayMay | 86 | 33° | 19° | 27.6° | 8.3 h | 2 | 22 |
| JuneJun | 97 | 31° | 16° | 24.8° | 8.2 h | 1 | 10 |
| JulyJul | 94 | 31° | 15° | 23.2° | 8.5 h | 0 | 5 |
| AugustAug | 88 | 33° | 15° | 23.4° | 9.2 h | 0 | 1 |
| SeptemberSep | 74 | 36° | 19° | 25.5° | 9.6 h | 0 | 2 |
| OctoberOct | 66 | 38° | 24° | 28.1° | 9.8 h | 1 | 6 |
| NovemberNov | 65 | 39° | 26° | 29.9° | 10.0 h | 3 | 14 |
| DecemberDec | 60 | 37° | 26° | 30.5° | 8.5 h | 9 | 112 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
17.30° S, 123.63° E · 13 m · Australia/Perth
Sea temperature in Derby, Western Australia
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 27.6 – 28.7 °C
Swimming season: all year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Derby, Western Australia ranges from 23.2 °C in July to 30.7 °C in March. At 20 °C and more, the sea is warm enough for swimming all year round.
The sea temperature varies from year to year: in March, eight out of ten years were between 29.8 and 31.4 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 30.5° | 29.9° | 31.4° | very warm |
| FebruaryFeb | 30.5° | 29.8° | 31.3° | very warm |
| MarchMar | 30.7° | 29.8° | 31.4° | very warm |
| AprilApr | 30.3° | 29.1° | 31.4° | very warm |
| MayMay | 27.6° | 26.3° | 29.0° | warm |
| JuneJun | 24.8° | 23.2° | 25.9° | pleasant |
| JulyJul | 23.2° | 21.5° | 24.4° | pleasant |
| AugustAug | 23.4° | 22.3° | 24.2° | pleasant |
| SeptemberSep | 25.5° | 24.4° | 26.3° | pleasant |
| OctoberOct | 28.1° | 27.6° | 28.7° | warm |
| NovemberNov | 29.9° | 29.3° | 30.4° | very warm |
| DecemberDec | 30.5° | 30.0° | 31.2° | very warm |
Sunshine hours in Derby, Western Australia
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 9.8 of 12.5 hours of daylight in Derby, Western Australia, 78 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Derby, Western Australia: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Derby, Western Australia has about one rainy day with 6 mm of rain in total.
UV index in Derby, Western Australia
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 12 · extremeAvoid the midday sun; SPF 50+, covering clothes, hat and sunglasses.
The sun is strongest in November (UV 13).
Minutes until sunburn in October
- Very fair skin
- about 10 min
- Fair skin
- about 15 min
- Light brown skin
- about 20 min
- Olive skin
- about 25 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind and clouds in Derby, Western Australia
How breezy and how cloudy Derby, Western Australia is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Derby, Western Australia typically peaks at 26 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting, and here it is that strong all year.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 22 % of the sky over Derby, Western Australia: mostly sunny, with about 9.8 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Derby, Western Australia
How often the day gets hot in Derby, Western Australia (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, it is hot in Derby, Western Australia every day, with an average daytime high of 38 °C: hot and muggy. Plan outdoor activities for the morning and evening, drink a lot and take breaks in the cool.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Planning a trip to Derby, Western Australia
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Derby, Western Australia in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Derby, Western Australia has its best school-holiday weather during the summer holidays (score 90) and its weakest during the Christmas holidays (score 60).
- 70
Easter holidays
Mar – Apr
Good
- 36 °C by day
- Sea 30 °C
- 8.2 h of sun a day
- 6 rainy days a month
Good for: Beach & swimming
Keep in mind: Peak heat, Frequent rain, Storm season
- 88
May half-term
May – Jun
Excellent
- 33 °C by day
- Sea 27 °C
- 8.3 h of sun a day
- 2 rainy days a month
Good for: Beach & swimming
Keep in mind: Peak heat
- 90
Summer holidays
Jul – Aug
ExcellentBest holidays
- 32 °C by day
- Sea 23 °C
- 9.0 h of sun a day
- 0 rainy days a month
Good for: Beach & swimming
Keep in mind: Peak heat
- 66
October half-term
Oct
Good
- 38 °C by day
- Sea 28 °C
- 9.8 h of sun a day
- 1 rainy day a month
Good for: Beach & swimming
Keep in mind: Peak heat
- 60
Christmas holidays
Dec – Jan
Good
- 36 °C by day
- Sea 31 °C
- 7.9 h of sun a day
- 11 rainy days a month
Keep in mind: Peak heat, Frequent rain, Storm season
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 17 h 10 min
- Distance
- 13,840 km
- Time zone
- UTC+8
- Jet lag
- About 7 days (7 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Most routes need a change of planes, which adds time.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Storm season
Derby, Western Australia lies in an area that Australian tropical cyclones can reach. The cyclone season runs from November to April, with most storms from January to March. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
- January: Peak
- February: Peak
- March: Peak
- April: Season
- May
- June
- July
- August
- September
- October
- November: Season
- December: Season
Official season dates of the regional warning centres (NOAA, JMA, IMD, Météo-France, BoM, Fiji Meteorological Service); not a forecast.
Compare & alternatives
Derby, Western Australia compared
Put Derby, Western Australia side by side with another destination.
Derby vs Broome
In October Broome has the better holiday weather (score 89 vs 66). During the day Broome is 5 °C cooler than Derby. The sea is about equally warm.
| in October | Derby | Broome |
|---|---|---|
| Holiday weather score | 66 | 89 |
| Daytime high | 38° | 33° |
| Sea | 28° | 28° |
| Sunshine | 10 h | 10 h |
| Rainy days | 1 | 1 |
| Best time | May – Aug | May – Nov |
Through the year
Australia in October: the best places
In October, Derby, Western Australia ranks 18 among the 31 nearest destinations in this country.
- Karratha31°26°100
- 2Kalgoorlie27°100
- 3Exmouth30°24°99
- 4Perth24°19°97
- 5Thursday Island31°27°97
- 6Carnarvon27°21°91
- 7Broome33°28°89
- 8Geraldton25°20°85
- 18DerbyThis page38°28°66
Near Derby, Western Australia
Other destinations close by.
Places with a climate like Derby, Western Australia
Destinations whose weather through the year is closest to Derby, Western Australia's – good alternatives.
Frequently asked questions about Derby, Western Australia
When is the best time to visit Derby, Western Australia?
The best time to visit Derby, Western Australia is from May to August. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Derby, Western Australia?
The sea temperature in Derby, Western Australia ranges from 23.2 °C in July to 30.7 °C in March. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Derby, Western Australia in October?
Yes. In October the sea averages 28.1 °C – lovely and warm for swimming.
What is the warmest month in Derby, Western Australia?
November is the warmest month, with average highs of 39 °C and nights around 26 °C. June is the coolest month at 31 °C.
When does it rain most in Derby, Western Australia?
The rainy season is from December to March; the wettest month is January with 237 mm. The driest month is August with 1 mm.
How many hours of sunshine does Derby, Western Australia get?
Derby, Western Australia gets around 3,110 hours of sunshine a year. The sunniest month is November with 10.0 hours a day; in February there are 6.8 hours a day.
What time zone is Derby, Western Australia in?
Derby, Western Australia is on UTC+8 all year.
How long is the flight from London to Derby, Western Australia?
A nonstop flight from London to Derby, Western Australia takes about 17 h 10 min, for a straight-line distance of about 13,840 km. Most routes need a change of planes, which adds time.
When is cyclone season in Derby, Western Australia?
Derby, Western Australia lies in an area that Australian tropical cyclones can reach. The cyclone season runs from November to April, with most storms from January to March. A direct hit on any one place is rare, but if you travel then, keep an eye on weather warnings and book flexibly.
Which school holidays are best for Derby, Western Australia?
Derby, Western Australia has its best school-holiday weather during the summer holidays (score 90) and its weakest during the Christmas holidays (score 60). Holiday ratings (0–100): Easter holidays 70, May half-term 88, summer holidays 90, October half-term 66, Christmas holidays 60.