AI-generatedKarratha at a glance
- Best time
- All year
- Warmest month
- Mar · 34°
- Warmest sea
- Mar · 30.1°
- Sunshine a year
- 3,340 h
- Rain a year
- 320 mm
- Climate
- Tropical
- Time zone
- UTC+8
- Elevation
- 20 m
Climate in Karratha
Karratha has a tropical climate: it is warm all year round, and the seasons differ mainly in how much rain falls. March is the warmest month with average highs of 34 °C, while July is the coolest at 26 °C. With around 3,340 hours of sunshine a year, Karratha is very sunny; November is the sunniest month with 11.0 hours a day.
Holiday weather through the year
Best time to visit Karratha
The best time to visit Karratha is all year round. In January, February and March, though, the cyclone season is at its peak: check the forecast before you go. For a beach holiday – sea from 21 °C, warm and mostly dry – go all year round. For sightseeing, day trips and hiking, conditions are most comfortable from June to August. From January to March it can get very hot, with highs of up to 34 °C. The wettest month is March with 74 mm of precipitation.
Karratha through the seasons
How the weather changes over the seasons, with averages for each.
Karratha in spring
Sep – Nov
Excellent
- 28–32 °C by day
- Sea 25 °C
- 10.4 h of sun a day
- 1 rainy day in all
Karratha in summer
Dec – Feb
Excellent
- 33 °C by day
- Sea 29 °C
- 9.7 h of sun a day
- 10 rainy days in all
Karratha in autumn
Mar – May
Excellent
- 29–34 °C by day
- Sea 29 °C
- 8.3 h of sun a day
- 8 rainy days in all
Karratha in winter
Jun – Aug
Excellent
- 26–27 °C by day
- Sea 23 °C
- 8.1 h of sun a day
- 4 rainy days in all
Which month for what?
Beach & swimming
All year
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Jun – Aug
15–28 °C and not too much rain
Peak heat
Jan – Mar
Highs of 33 °C or more
Find your perfect month
Tell us what you like and we rate every month in Karratha for you.
Your best months: May, September – October
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Excellent
Best time to visit: all year
Where to go in OctoberSea temperature in October
Good forBeach & swimming
A typical day in October
- Morning, 08:00: about 26°
- Midday, 13:00: about 31°
- Afternoon, 16:00: about 30°
- Evening, 20:00: about 26°
- Night, 23:00: about 25°
05:4218:14
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 05:28–06:12 · evening 17:45–18:28
- Blue hour
- Morning 05:20–05:28 · evening 18:28–18:37
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 Karratha compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs rise from about 30° at the start of the month to 31° at the end. The sea warms from 25° to 26°. The days get 0.6 h longer.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 30° | 31° |
| Night-time low | 21° | 23° |
| Sea | 25° | 26° |
| Daylight | 12.3 h | 12.8 h |
What is the weather like in Karratha in October?
In October, Karratha is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sea averages 25.5 °C – pleasant for swimming. With around 10.4 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 19 days the thermometer climbs to 30 °C or more. It is often windy: on a typical day the wind peaks at around 28 km/h. All in all, October is an excellent month for a holiday in Karratha.
More details for October
- Daylight
- 12 h 32 min05:42 – 18:14
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 7 daysdew point 18 °C or moreAll months
- Wind
- 28 km/haverage daily peakAll months
- Cloud cover
- 9 %on averageAll months
- Hot days
- 19 days30 °C or moreAll months
- Time zone
- UTC+8offset from UTC
How the score comes together
- Temperatureweight 35 %100 %
- 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
- Windproof jacket
Compare two months in Karratha
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
October and September bring similar holiday weather to Karratha (score 100 and 99). In September, days are 3 °C cooler than in October. The sea is 2 °C cooler in September. The sun shines an hour less a day in September.
| Month | October | September |
|---|---|---|
| Holiday weather score | 100 | 99 |
| Daytime high | 31° | 28° |
| Night-time low | 23° | 20° |
| Sea | 25.5° | 23.7° |
| Sunshine | 10.4 hbetter | 9.8 h |
| Rainy days | 0 | 0 |
| Rainfall | 1 mm | 4 mm |
| Muggy days | 7 | 2better |
Based on the climate averages 1996–2025.
Karratha month by month
The typical weather for every month at a glance.
89January33° · Sea 29° · 9.5 h
In January, Karratha is very hot: daytime highs average 33 °C, and even at night it stays warm at around 27 °C. The sea averages 29.3 °C – almost as warm as a bath. With around 9.5 hours of sunshine a day, there is plenty of sun. Rain is rare: about 4 days bring 53 mm in total. On about 29 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, January is an excellent month for a holiday in Karratha.
Karratha in January88February33° · Sea 30° · 9.1 h
In February, Karratha is very hot: daytime highs average 33 °C, and even at night it stays warm at around 27 °C. The sea averages 29.8 °C – almost as warm as a bath. With around 9.1 hours of sunshine a day, there is plenty of sun. Rain is rare: about 5 days bring 73 mm in total. On about 26 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, February is an excellent month for a holiday in Karratha.
Karratha in February85March34° · Sea 30° · 8.6 h
In March, Karratha is very hot: daytime highs average 34 °C, and even at night it stays warm at around 28 °C. The sea averages 30.1 °C – almost as warm as a bath. The sun shines for around 8.6 hours a day. Rain is rare: about 4 days bring 74 mm in total. On about 30 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, March is an excellent month for a holiday in Karratha.
Karratha in March90April33° · Sea 29° · 8.5 h
In April, Karratha is hot: daytime highs average 33 °C, and even at night it stays warm at around 26 °C. The sea averages 29.1 °C – almost as warm as a bath. The sun shines for around 8.5 hours a day. Rain is rare: about 2 days bring 23 mm in total. On about 28 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, April is an excellent month for a holiday in Karratha.
Karratha in April96May29° · Sea 27° · 7.9 h
In May, Karratha is hot: daytime highs average 29 °C, and even at night it stays warm at around 22 °C. The sea averages 26.6 °C – lovely and warm for swimming. The sun shines for around 7.9 hours a day. Rain is rare: about 3 days bring 34 mm in total. On about 12 days the thermometer climbs to 30 °C or more. All in all, May is an excellent month for a holiday in Karratha.
Karratha in May95June26° · Sea 24° · 7.4 h
In June, Karratha is warm: daytime highs average 26 °C, and nights cool down to about 18 °C. The sea averages 24.1 °C – pleasant for swimming. The sun shines for around 7.4 hours a day. Rain is rare: about 3 days bring 26 mm in total. All in all, June is an excellent month for a holiday in Karratha.
Karratha in June92July26° · Sea 23° · 8.0 h
In July, Karratha is warm: daytime highs average 26 °C, and nights cool down to about 17 °C. The sea averages 22.7 °C – refreshing for a swim. The sun shines for around 8.0 hours a day. It hardly ever rains. All in all, July is an excellent month for a holiday in Karratha.
Karratha in July95August27° · Sea 23° · 9.0 h
In August, Karratha is warm: daytime highs average 27 °C, and nights cool down to about 18 °C. The sea averages 22.6 °C – refreshing for a swim. With around 9.0 hours of sunshine a day, there is plenty of sun. It hardly ever rains. All in all, August is an excellent month for a holiday in Karratha.
Karratha in August99September28° · Sea 24° · 9.8 h
In September, Karratha is hot: daytime highs average 28 °C, and even at night it stays warm at around 20 °C. The sea averages 23.7 °C – pleasant for swimming. With around 9.8 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 5 days the thermometer climbs to 30 °C or more. All in all, September is an excellent month for a holiday in Karratha.
Karratha in September100October31° · Sea 26° · 10.4 h
In October, Karratha is hot: daytime highs average 31 °C, and even at night it stays warm at around 23 °C. The sea averages 25.5 °C – pleasant for swimming. With around 10.4 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 19 days the thermometer climbs to 30 °C or more. It is often windy: on a typical day the wind peaks at around 28 km/h. All in all, October is an excellent month for a holiday in Karratha.
Karratha in October97November32° · Sea 27° · 11.0 h
In November, Karratha is hot: daytime highs average 32 °C, and even at night it stays warm at around 24 °C. The sea averages 26.8 °C – lovely and warm for swimming. With around 11.0 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 22 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, November is an excellent month for a holiday in Karratha.
Karratha in November92December33° · Sea 28° · 10.4 h
In December, Karratha is hot: daytime highs average 33 °C, and even at night it stays warm at around 26 °C. The sea averages 28.1 °C – lovely and warm for swimming. With around 10.4 hours of sunshine a day, there is plenty of sun. It hardly ever rains. On about 27 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. It is often windy: on a typical day the wind peaks at around 29 km/h. All in all, December is an excellent month for a holiday in Karratha.
Karratha in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Karratha
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)
WarmOctober: nights around 23°. Tropical nights: a fan or air conditioning helps. Muggy on about 7 days (dew point 18 °C or more).
The coolest nights are in July (17°), the warmest in March (28°). Tropical nights of 20 °C and more are the rule from September to May; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from June to August. It is muggy (dew point 18 °C or more) on about 174 days a year, mostly from November 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 | 89 | 33° | 27° | 29.3° | 9.5 h | 4 | 53 |
| FebruaryFeb | 88 | 33° | 27° | 29.8° | 9.1 h | 5 | 73 |
| MarchMar | 85 | 34° | 28° | 30.1° | 8.6 h | 4 | 74 |
| AprilApr | 90 | 33° | 26° | 29.1° | 8.5 h | 2 | 23 |
| MayMay | 96 | 29° | 22° | 26.6° | 7.9 h | 3 | 34 |
| JuneJun | 95 | 26° | 18° | 24.1° | 7.4 h | 3 | 26 |
| JulyJul | 92 | 26° | 17° | 22.7° | 8.0 h | 1 | 12 |
| AugustAug | 95 | 27° | 18° | 22.6° | 9.0 h | 1 | 3 |
| SeptemberSep | 99 | 28° | 20° | 23.7° | 9.8 h | 0 | 4 |
| OctoberOct | 100 | 31° | 23° | 25.5° | 10.4 h | 0 | 1 |
| NovemberNov | 97 | 32° | 24° | 26.8° | 11.0 h | 0 | 1 |
| DecemberDec | 92 | 33° | 26° | 28.1° | 10.4 h | 1 | 17 |
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
20.74° S, 116.85° E · 20 m · Australia/Perth
Sea temperature in Karratha
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 24.6 – 26.3 °C
Swimming season: all year
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Karratha ranges from 22.6 °C in August to 30.1 °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 29.1 and 31.1 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 29.3° | 28.2° | 30.4° | very warm |
| FebruaryFeb | 29.8° | 29.0° | 30.9° | very warm |
| MarchMar | 30.1° | 29.1° | 31.1° | very warm |
| AprilApr | 29.1° | 28.4° | 29.8° | very warm |
| MayMay | 26.6° | 25.5° | 27.9° | warm |
| JuneJun | 24.1° | 23.0° | 25.0° | pleasant |
| JulyJul | 22.7° | 21.8° | 23.8° | refreshing |
| AugustAug | 22.6° | 21.9° | 23.3° | refreshing |
| SeptemberSep | 23.7° | 23.0° | 24.8° | pleasant |
| OctoberOct | 25.5° | 24.6° | 26.3° | pleasant |
| NovemberNov | 26.8° | 25.8° | 27.5° | warm |
| DecemberDec | 28.1° | 26.8° | 29.1° | warm |
Sunshine hours in Karratha
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 10.4 of 12.5 hours of daylight in Karratha, 83 % 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 Karratha: 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, it hardly ever rains in Karratha: 1 mm in the whole month.
UV index in Karratha
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 January (UV 12).
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 Karratha
How breezy and how cloudy Karratha 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 Karratha typically peaks at 28 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 9 % of the sky over Karratha: mostly clear, with about 10.4 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 Karratha
How often the day gets hot in Karratha (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, Karratha has about 19 hot days, with an average daytime high of 31 °C: often hot. Avoid the midday sun, look for shade and drink plenty.
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 Karratha
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Karratha 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.
Karratha has its best school-holiday weather during October half-term (score 100) and its weakest during the Easter holidays (score 89).
- 89
Easter holidays
Mar – Apr
Excellent
- 33 °C by day
- Sea 29 °C
- 8.5 h of sun a day
- 3 rainy days a month
Good for: Beach & swimming
Keep in mind: Peak heat, Storm season
- 96
May half-term
May – Jun
Excellent
- 29 °C by day
- Sea 26 °C
- 7.8 h of sun a day
- 3 rainy days a month
Good for: Beach & swimming
- 94
Summer holidays
Jul – Aug
Excellent
- 26 °C by day
- Sea 23 °C
- 8.7 h of sun a day
- 1 rainy day a month
Good for: Beach & swimming, Sightseeing & walks
- 100
October half-term
Oct
ExcellentBest holidays
- 31 °C by day
- Sea 26 °C
- 10.4 h of sun a day
- 0 rainy days a month
Good for: Beach & swimming
- 91
Christmas holidays
Dec – Jan
Excellent
- 33 °C by day
- Sea 29 °C
- 10.0 h of sun a day
- 3 rainy days a month
Good for: Beach & swimming
Keep in mind: Peak heat, Storm season
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 17 h
- Distance
- 13,670 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
Karratha 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
Karratha compared
Put Karratha side by side with another destination.
Karratha vs Port Hedland
In October Karratha has the better holiday weather (score 100 vs 74). During the day Port Hedland is 5 °C warmer than Karratha. The sea is about equally warm.
| in October | Karratha | Port Hedland |
|---|---|---|
| Holiday weather score | 100 | 74 |
| Daytime high | 31° | 36° |
| Sea | 26° | 26° |
| Sunshine | 10 h | 10 h |
| Rainy days | 0 | 0 |
| Best time | All year | May – Sep |
Through the year
Australia in October: the best places
In October, Karratha ranks 1 among the 31 nearest destinations in this country.
- KarrathaThis page31°26°100
- 2Kalgoorlie27°100
- 3Broken Hill26°100
- 4Exmouth30°24°99
- 5Perth24°19°97
- 6Adelaide22°16°94
- 7Hahndorf21°92
- 8Carnarvon27°21°91
Near Karratha
Other destinations close by.
Places with a climate like Karratha
Destinations whose weather through the year is closest to Karratha's – good alternatives.
Frequently asked questions about Karratha
When is the best time to visit Karratha?
The best time to visit Karratha is all year round. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Karratha?
The sea temperature in Karratha ranges from 22.6 °C in August to 30.1 °C in March. At 20 °C and more, the sea is warm enough for swimming all year round.
Can you swim in Karratha in October?
Yes. In October the sea averages 25.5 °C – pleasant for swimming.
What is the warmest month in Karratha?
March is the warmest month, with average highs of 34 °C and nights around 28 °C. July is the coolest month at 26 °C.
When does it rain most in Karratha?
The wettest month is March with 74 mm of precipitation. The driest month is October with 1 mm.
How many hours of sunshine does Karratha get?
Karratha gets around 3,340 hours of sunshine a year. The sunniest month is November with 11.0 hours a day; in June there are 7.4 hours a day.
What time zone is Karratha in?
Karratha is on UTC+8 all year.
How long is the flight from London to Karratha?
A nonstop flight from London to Karratha takes about 17 h, for a straight-line distance of about 13,670 km. Most routes need a change of planes, which adds time.
When is cyclone season in Karratha?
Karratha 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 Karratha?
Karratha has its best school-holiday weather during October half-term (score 100) and its weakest during the Easter holidays (score 89). Holiday ratings (0–100): Easter holidays 89, May half-term 96, summer holidays 94, October half-term 100, Christmas holidays 91.