AdelaidePhoto: Maggas at English Wikipedia · Public domainAustralia · Oceania
Best time to visit Adelaide
Adelaide follows the Southern Hemisphere calendar: its warmest months arrive during the European winter, while spring and autumn stay versatile. In the 1991–2025 normals, Adelaide reaches typical daytime highs of about 26 °C in the strongest candidate month, March. The four selected travel months are March, April, October, November.
Climate decision
Best travel months for Adelaide
Top recommendation
Next highest scores
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Latest 5-year values 2021–2025
Average of the five most recent complete years compared with the 1991–2025 climate average.
March · Mean daily maximum
27.8 °C
1991–2025: 26.4 °C
+1.4 °C · higher
December · Wet days
2 days/month
1991–2025: 3.9 days/month
-1.9 days/month · lower
September · Monthly precipitation
31.6 mm/month
1991–2025: 49.7 mm/month
-18.1 mm/month · lower
February · Sea temperature
22.3 °C
1991–2025: 21.9 °C
+0.4 °C · similar
February: 56/141 days at or above 30 °C; highest single value 41.1 °C.
Five-year historical sample, not a weather forecast or long-term climate trend. Individual hot days can be far above the monthly mean.
Annual profile · Coast and sea
Adelaide: the swimming season follows two curves
Average daily highs vary by 15.4 °C through the year, while the sea varies by 8.8 °C. Air and water temperature should therefore be considered separately.
The practical difference
The month with the highest daytime temperature and the month with the warmest sea need not define the same travel window. Rain and sunshine help resolve the trade-off.
Warmest sea
February · 21.9 °C
Highest average daily high
January and February · 29.5 °C
Fewest rainy days
February · 2.4
Most sunshine
January · 9.8 h
Month by month
Overall suitability per month. Tap a month for details.
All climate figures compared
The table is the complete accessible data view; the charts below highlight selected patterns.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Rain mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| January | 29 | 16 | 3 | 17 | 9.8 | 52 | 3.3 | 21 | 83 |
| February | 29 | 16 | 2 | 17 | 8.8 | 53 | 3.2 | 22 | 85 |
| March | 26 | 14 | 4 | 21 | 7.2 | 58 | 2.9 | 21 | 90 |
| April | 22 | 12 | 6 | 31 | 5.2 | 63 | 2.5 | 19 | 82 |
| May | 18 | 9 | 9 | 48 | 3.6 | 72 | 2.4 | 17 | 59 |
| June | 15 | 7 | 13 | 65 | 2.9 | 79 | 2.5 | 15 | 39 |
| July | 14 | 6 | 12 | 62 | 3.2 | 80 | 2.5 | 13 | 37 |
| August | 15 | 7 | 12 | 53 | 4.3 | 76 | 2.6 | 13 | 43 |
| September | 18 | 8 | 9 | 50 | 5.9 | 72 | 2.6 | 14 | 58 |
| October | 21 | 10 | 6 | 32 | 7.6 | 64 | 2.7 | 16 | 75 |
| November | 24 | 12 | 5 | 24 | 8.9 | 59 | 2.9 | 18 | 83 |
| December | 27 | 14 | 4 | 23 | 9.7 | 54 | 3.1 | 20 | 86 |
Climate through the year
Compare temperature, rainy days, sunshine and, for coastal destinations, sea temperature month by month.

Find a place to stay
Where to stay in Adelaide
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Useful next decisions
Similar destinations
The number is the overall climate score, not a similarity score.
Country and region
Frequently asked questions
When is the best time to visit Adelaide?
The strongest climate months are January, February, March, December. Values are historical averages, not a forecast.
Which month has the highest average daily maximum temperature in Adelaide?
Average daily maximum temperatures in Adelaide are practically tied in January and February at around 29 °C.
When is the sea warmest at Adelaide?
In February, at around 22 °C.