AI-generatedAdelaide at a glance
- Best time
- Oct – Apr
- Warmest month
- Jan · 28°
- Warmest sea
- Feb · 22.2°
- Sunshine a year
- 2,800 h
- Rain a year
- 434 mm
- Climate
- Mediterranean
- Time zone
- UTC+10:30 / UTC+9:30
- Elevation
- 59 m
Climate in Adelaide
Adelaide has a Mediterranean climate with warm to hot, dry summers and mild, wetter winters. January is the warmest month with average highs of 28 °C, while July is the coolest at 14 °C. With around 2,800 hours of sunshine a year, Adelaide is sunny; January is the sunniest month with 10.5 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Excellent
Best time to visit: October – April
Good forSightseeing & walks
A typical day in October
- Morning, 08:00: about 13°
- Midday, 13:00: about 20°
- Afternoon, 16:00: about 20°
- Evening, 20:00: about 16°
- Night, 23:00: about 14°
06:3419:28
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 06:18–07:08 · evening 18:55–19:44
- Blue hour
- Morning 06:08–06:18 · evening 19:44–19:54
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.
What is the weather like in Adelaide in October?
In October, Adelaide is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sea averages 15.9 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 35 mm. All in all, October is an excellent month for a holiday in Adelaide.
More details for October
- Daylight
- 12 h 55 min06:34 – 19:28
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 25 km/haverage daily peakAll months
- Cloud cover
- 47 %on averageAll months
- Hot days
- 1 day30 °C or moreAll months
- Time zone
- UTC+10:30Australia/Adelaide
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %90 %
- Few rainy daysweight 30 %85 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- Sunglasses & sun hat
- A jumper for the evenings
Sea temperature in Adelaide
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 15.3 – 16.6 °C
Swimming season: Jan – Mar
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Adelaide ranges from 13.0 °C in August to 22.2 °C in February. It is warm enough for a comfortable swim (20 °C and more) from January to March.
The sea warms up slowly: it is warmest in February, while the air already peaks in January. In June the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in February, eight out of ten years were between 21.3 and 23.1 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 21.7° | 20.7° | 22.4° | refreshing |
| FebruaryFeb | 22.2° | 21.3° | 23.1° | refreshing |
| MarchMar | 21.5° | 20.6° | 22.6° | refreshing |
| AprilApr | 19.5° | 18.8° | 20.2° | fresh |
| MayMay | 17.3° | 16.6° | 18.2° | fresh |
| JuneJun | 15.1° | 14.5° | 15.7° | cold |
| JulyJul | 13.4° | 12.9° | 13.9° | cold |
| AugustAug | 13.0° | 12.6° | 13.6° | cold |
| SeptemberSep | 14.1° | 13.3° | 14.7° | cold |
| OctoberOct | 15.9° | 15.3° | 16.6° | cold |
| NovemberNov | 17.9° | 17.0° | 18.9° | fresh |
| DecemberDec | 19.9° | 19.3° | 20.8° | fresh |
Sunshine hours in Adelaide
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 8.4 of 12.9 hours of daylight in Adelaide, 65 % of the day.
Sunshine hours: measured at the weather station 8 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Adelaide
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 9 · very highStay in the shade around midday; SPF 50, clothing, hat and sunglasses.
The sun is strongest in December (UV 11).
Minutes until sunburn in October
- Very fair skin
- about 15 min
- Fair skin
- about 20 min
- Light brown skin
- about 25 min
- Olive skin
- about 35 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, 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.
Rain in Adelaide: 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, Adelaide has about 6 rainy days with 35 mm of rain in total.
Wind and clouds in Adelaide
How breezy and how cloudy Adelaide 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 Adelaide typically peaks at 25 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 gets there all year.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 47 % of the sky over Adelaide: variable cloud, with about 8.4 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 Adelaide
How often the day gets hot in Adelaide (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, Adelaide has about 1 hot days, with an average daytime high of 20 °C: pleasant. Heat plays no part this month.
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
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Adelaide
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cool 8–15°
- Pleasant 15–20°
CoolOctober: nights around 11°. A duvet at night and a jumper for the evening.
The coolest nights are in July (8°), the warmest in February (17°). Nights are pleasant for sleeping (15 to 20 °C) from December to March.
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 | 91 | 28° | 17° | 21.7° | 10.5 h | 3 | 19 |
| FebruaryFeb | 94 | 28° | 17° | 22.2° | 10.0 h | 2 | 19 |
| MarchMar | 98 | 25° | 15° | 21.5° | 8.5 h | 3 | 18 |
| AprilApr | 91 | 22° | 13° | 19.5° | 7.1 h | 5 | 32 |
| MayMay | 79 | 18° | 10° | 17.3° | 5.5 h | 8 | 45 |
| JuneJun | 58 | 15° | 8° | 15.1° | 4.7 h | 9 | 55 |
| JulyJul | 52 | 14° | 8° | 13.4° | 5.1 h | 10 | 57 |
| AugustAug | 61 | 15° | 8° | 13.0° | 6.1 h | 10 | 53 |
| SeptemberSep | 81 | 17° | 9° | 14.1° | 7.1 h | 9 | 49 |
| OctoberOct | 94 | 20° | 11° | 15.9° | 8.4 h | 6 | 35 |
| NovemberNov | 98 | 24° | 13° | 17.9° | 9.5 h | 5 | 30 |
| DecemberDec | 100 | 26° | 15° | 19.9° | 9.5 h | 4 | 22 |
Climate averages 1996–2025, 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
34.93° S, 138.60° E · 59 m · Australia/Adelaide
Best time to visit Adelaide
The best time to visit Adelaide is from October to April. For a beach holiday with the sea above 21 °C, go from January to March. For sightseeing, day trips and hiking, conditions are most comfortable from February to May and from September to December. The wettest month is July with 57 mm of precipitation.
Adelaide through the seasons
How the weather changes over the seasons, with averages for each.
Adelaide in spring
Sep – Nov
Excellent
- 17–24 °C by day
- Sea 16 °C
- 8 h of sun a day
- 20 rainy days in all
Adelaide in summer
Dec – Feb
Excellent
- 26–28 °C by day
- Sea 21 °C
- 10 h of sun a day
- 9 rainy days in all
Adelaide in autumn
Mar – May
Excellent
- 18–25 °C by day
- Sea 19 °C
- 7 h of sun a day
- 16 rainy days in all
Adelaide in winter
Jun – Aug
Fair
- 14–15 °C by day
- Sea 14 °C
- 5 h of sun a day
- 29 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Adelaide for you.
Your best months: March – April, November
Based on the climate averages; tap a month to see its details.
Compare two months in Adelaide
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
December has the better holiday weather in Adelaide: score 100 against 94. In December, days are 6 °C warmer than in October. The sea is 4 °C warmer in December. December has 2 fewer rainy days. The sun shines an hour longer a day in December.
| Month | October | December |
|---|---|---|
| Weather score | 94 | 100better |
| Day high | 20° | 26° |
| Night low | 11° | 15° |
| Sea | 15.9° | 19.9° |
| Sunshine | 8.4 h | 9.5 hbetter |
| Rainy days | 6 | 4better |
| Rainfall | 35 mm | 22 mmbetter |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
Jan – Mar
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Feb – May, Sep – Dec
15–28 °C and not too much rain
Adelaide month by month
The typical weather for every month at a glance.
91January28° · Sea 22° · 11 h
In January, Adelaide is hot: daytime highs average 28 °C, and nights cool down to about 17 °C. The sea averages 21.7 °C – refreshing for a swim. With around 11 hours of sunshine a day, there is plenty of sun. Rain is rare: about 3 days bring 19 mm in total. On about 12 days the thermometer climbs to 30 °C or more. All in all, January is an excellent month for a holiday in Adelaide.
Adelaide in January94February28° · Sea 22° · 10 h
In February, Adelaide is hot: daytime highs average 28 °C, and nights cool down to about 17 °C. The sea averages 22.2 °C – refreshing for a swim. With around 10 hours of sunshine a day, there is plenty of sun. Rain is rare: about 2 days bring 19 mm in total. On about 10 days the thermometer climbs to 30 °C or more. All in all, February is an excellent month for a holiday in Adelaide.
Adelaide in February98March25° · Sea 22° · 9 h
In March, Adelaide is warm: daytime highs average 25 °C, and nights cool down to about 15 °C. The sea averages 21.5 °C – refreshing for a swim. The sun shines for around 9 hours a day. Rain is rare: about 3 days bring 18 mm in total. On about 6 days the thermometer climbs to 30 °C or more. All in all, March is an excellent month for a holiday in Adelaide.
Adelaide in March91April22° · Sea 20° · 7 h
In April, Adelaide is warm: daytime highs average 22 °C, and nights cool down to about 13 °C. The sea averages 19.5 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain falls on about 5 days, adding up to 32 mm. All in all, April is an excellent month for a holiday in Adelaide.
Adelaide in April79May18° · Sea 17° · 6 h
In May, Adelaide is mild: daytime highs average 18 °C, and nights cool down to about 10 °C. The sea averages 17.3 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain falls on about 8 days, adding up to 45 mm. All in all, May is a good month for a holiday in Adelaide.
Adelaide in May58June15° · Sea 15° · 5 h
In June, Adelaide is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sea averages 15.1 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 55 mm in total. All in all, June is a so-so month for a holiday in Adelaide.
Adelaide in June52July14° · Sea 13° · 5 h
In July, Adelaide is cool: daytime highs average 14 °C, and nights cool down to about 8 °C. The sea averages 13.4 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 57 mm in total. All in all, July is a so-so month for a holiday in Adelaide.
Adelaide in July61August15° · Sea 13° · 6 h
In August, Adelaide is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sea averages 13.0 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 53 mm in total. All in all, August is a good month for a holiday in Adelaide.
Adelaide in August81September17° · Sea 14° · 7 h
In September, Adelaide is mild: daytime highs average 17 °C, and nights cool down to about 9 °C. The sea averages 14.1 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain falls on about 9 days, adding up to 49 mm. All in all, September is an excellent month for a holiday in Adelaide.
Adelaide in September94October20° · Sea 16° · 8 h
In October, Adelaide is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. The sea averages 15.9 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 35 mm. All in all, October is an excellent month for a holiday in Adelaide.
Adelaide in October98November24° · Sea 18° · 10 h
In November, Adelaide is warm: daytime highs average 24 °C, and nights cool down to about 13 °C. The sea averages 17.9 °C – bracing, so a wetsuit helps for longer swims. With around 10 hours of sunshine a day, there is plenty of sun. Rain falls on about 5 days, adding up to 30 mm. All in all, November is an excellent month for a holiday in Adelaide.
Adelaide in November100December26° · Sea 20° · 10 h
In December, Adelaide is warm: daytime highs average 26 °C, and nights cool down to about 15 °C. The sea averages 19.9 °C – bracing, so a wetsuit helps for longer swims. With around 10 hours of sunshine a day, there is plenty of sun. Rain is rare: about 4 days bring 22 mm in total. On about 7 days the thermometer climbs to 30 °C or more. All in all, December is an excellent month for a holiday in Adelaide.
Adelaide in DecemberAdelaide compared
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Adelaide vs. Port Lincoln
In October the holiday weather in Adelaide and Port Lincoln is about equally good (score 94 vs. 92). During the day Port Lincoln is 1 °C cooler than Adelaide. The sea is about equally warm.
| in October | Adelaide | Port Lincoln |
|---|---|---|
| Holiday score | 94 | 92 |
| Daytime high | 20° | 19° |
| Sea | 16° | 16° |
| Sunshine | 8 h | 8 h |
| Rainy days | 6 | 6 |
| Best time | Oct – Apr | Jan – Mar |
Through the year
Australia in October: the best places
In October, Adelaide ranks 4 of 24 destinations in this country.
- Airlie Beach (Whitsundays)29°25°99
- 2Perth22°19°97
- 3Cairns26°26°96
- 4AdelaideThis page20°16°94
- 5Toowoomba25°94
- 6Mackay26°25°92
- 7Brisbane25°89
- 8Sunshine Coast25°23°89
Planning a trip to Adelaide
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Adelaide 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.
Adelaide has its best school-holiday weather during the Christmas holidays (score 96) and its weakest during the summer holidays (score 58).
- 93
Easter holidays
Mar – Apr
Excellent
- 23 °C by day
- Sea 20 °C
- 7.5 h of sun a day
- 5 rainy days a month
Good for: Sightseeing & walks
- 75
May half-term
May – Jun
Good
- 17 °C by day
- Sea 17 °C
- 5.3 h of sun a day
- 8 rainy days a month
Good for: Sightseeing & walks
- 58
Summer holidays
Jul – Aug
Fair
- 14 °C by day
- Sea 13 °C
- 5.8 h of sun a day
- 10 rainy days a month
- 94
October half-term
Oct
Excellent
- 20 °C by day
- Sea 16 °C
- 8.4 h of sun a day
- 6 rainy days a month
Good for: Sightseeing & walks
- 96
Christmas holidays
Dec – Jan
ExcellentBest holidays
- 27 °C by day
- Sea 21 °C
- 10.0 h of sun a day
- 4 rainy days a month
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 20 h 5 min
- Distance
- 16,290 km
- Time zone
- UTC+10:30
- Jet lag
- About 10 days (10 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.
Frequently asked questions about Adelaide
When is the best time to visit Adelaide?
The best time to visit Adelaide is from October to April. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Adelaide?
The sea temperature in Adelaide ranges from 13.0 °C in August to 22.2 °C in February. It is warm enough for a comfortable swim (20 °C and more) from January to March.
Can you swim in Adelaide in October?
Only if you don't mind cold water: in October the sea averages just 15.9 °C. Comfortable swimming is possible from January to March.
What is the warmest month in Adelaide?
January is the warmest month, with average highs of 28 °C and nights around 17 °C. July is the coolest month at 14 °C.
When does it rain most in Adelaide?
The wettest month is July with 57 mm of precipitation. The driest month is March with 18 mm.
How many hours of sunshine does Adelaide get?
Adelaide gets around 2,800 hours of sunshine a year. The sunniest month is January with 10.5 hours a day; in June there are 4.7 hours a day.
What time zone is Adelaide in?
Adelaide uses the time zone Australia/Adelaide: UTC+10:30 in January and UTC+9:30 in July.
How long is the flight from London to Adelaide?
A nonstop flight from London to Adelaide takes about 20 h 5 min, for a straight-line distance of about 16,290 km. Most routes need a change of planes, which adds time.
Which school holidays are best for Adelaide?
Adelaide has its best school-holiday weather during the Christmas holidays (score 96) and its weakest during the summer holidays (score 58). Holiday ratings (0–100): Easter holidays 93, May half-term 75, Summer holidays 58, October half-term 94, Christmas holidays 96.
Near Adelaide
Other destinations close by.
Places with a climate like Adelaide
Destinations whose weather through the year is closest to Adelaide's – good alternatives.