Adelaide Weather in January
January in Adelaide typically sees daytime highs of 27°C (81°F) and nighttime lows of 16°C (61°F). Expect some rainfall during the month. It falls within the summer season.
Rainfall in Adelaide in January
Climate statistics over the past 30 years suggest around 6 days of rain, with 22 mm (0.9 in) average for the month. The occasional light shower is possible, but rain is rarely an issue this month.
Temperature in Adelaide in January
The perfect temperature in Adelaide in January makes it a solid month to visit, with 27°C (81°F) during the day and 16°C (61°F) at night. The month of January belongs to the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 16°C (61°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep. This is typically the warmest month of the year, so light summer clothing is a good idea.
Sunshine in Adelaide in January
With approximately 326 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.
Wind Speed in Adelaide in January
Wind speeds average 4 m/s (8 knots) during January. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.
Average water temperature in January
At 23°C (73°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If you favor pleasant temperatures and minimal rainfall, January is one of the best months to visit Adelaide.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Adelaide's climate page.
Adelaide Temperature in January
Min Temperature
16°C (61°F)
Max Temperature
27°C (81°F)
Water Temperature
23°C (73°F)
Chance of Rain
21%
Precipitation
22 mm (0.9 in)
Rainy days
6 days
Humidity
36%
Windspeed
4 m/s (8 knots)
Sunshine
326 hours
Percentage Sunshine
53%
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Adelaide typically stay consistent throughout January, with daily highs averaging around 27°C (81°F). Nights are pleasant, with lows around 16°C (61°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Adelaide in January
Browse day-by-day weather records for Adelaide spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Adelaide historical weather extremes in January
The extremes listed below come from historical weather data collected in Adelaide from 1981 through 2025.
- The warmest day in January was on January 28, 2009, with a maximum of 44°C (111°F).
- The coldest January day was on January 11, 1983, with a maximum of 15°C (59°F).
- The coldest night in January in Adelaide was on January 9, 2002, with a minimum of 9°C (48°F).
Best Places in Australia in January
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in January →
perfect weather
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tolerable
unpleasant
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What to Wear in Adelaide in January
Warm temperatures in January make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Pack a light rain jacket or compact umbrella for occasional showers. With water temperatures around 23°C (73°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Adelaide in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Adelaide's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Adelaide climate overview or explore weather in Australia.
