Weather in Adelaide in January 2026
- January is usually the hottest month of the year in Adelaide;
- January is usually the driest month of the year in Adelaide
Average weather
Average temperature in Adelaide in January
Going from a maximum of +38°C during the day to a minimum of +13°C during the night, the temperature in January averages around +28°C.
The average maximum temperature goes down 32% by the end of the month, compared with the beginning of the month, from +32°C to +24°C.
Is Adelaide warm or cold in January?
Adelaide is typically warm in January.
Maximum temperatures go up compared to the previous month from +26°C to +28°C. The minimum temperature also goes up from +16°C to +17°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
January is the hottest month in Adelaide, here is the comparison with other months:
Climate in Adelaide in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +26°C | +28°C | +27°C | ||||
| Min. temperature | ||||||
| +8°C | +10°C | +10°C | ||||
| Max. temperature | ||||||
| +43°C | +45°C | +42°C | ||||
| Rainfall | ||||||
| 33 mm | 38 mm | 28 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 64% | 63% | 64% | ||||
| Air pressure | ||||||
| 1012 HPa | 1012 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 12 | 16 | 15 | ||||
| Cloudy days | ||||||
| 9 | 9 | 8 | ||||
| Rainy days | ||||||
| 9 | 6 | 5 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
January often has better weather than December. It’s getting warmer as January arrives. The average maximum temperature goes up from +26°C to +28°C during the day. Prepare for more rain. Average rainfall goes from 33 mm to 38 mm. It feels drier, as humidity decreases from 64% to 63%. The average wind speed doesn’t change much during January, staying around 4 m/s. The good news is there are likely to be more sunny days in January, from 12 to 16.
February brings much the same weather, it remains great.
Wind
The average wind speed is 5 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Adelaide is gradually increasing during January, going from 3 m/s to 4 m/s over the course of the month.
Rain
How was the weather last January in Adelaide?
Climate Change over Years
The climate in Adelaide in January has not changed much over the last 43 years.
The average temperature was the lowest in 1992 (+20°C) and the highest in 2024 (+22°C). The driest year was 1982 with only 298 mm of rainfall, and the wettest year was 2020 with 1368 mm.
FAQ
Is January a good time to visit Adelaide?
Can you sunbathe in Adelaide in January?
Is Adelaide rainy in January?
Is it sunny in Adelaide in January?
Other cities in Australia
Monthly weather in Adelaide
Source of the data
For this page, we’ve looked at the typical weather in Adelaide, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
