An alternative way to discover Sydney
We have made an overview of the sights in Sydney that you must see if you want to visit Sydney in an alternative way.
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.
If you favor pleasant temperatures and minimal rainfall, January is one of the best months to visit Adelaide.
Pick a month to see the average temperature, rainfall and sunshine in Adelaide - and find the best time to visit.
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).
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
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.
The extremes listed below come from historical weather data collected in Adelaide from 1981 through 2025.
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 is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Adelaide climate overview or explore weather in Australia.
Where to go in January - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
An alternative way to discover Sydney
We have made an overview of the sights in Sydney that you must see if you want to visit Sydney in an alternative way.
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Sail the Whitsunday islands
The best travel period to sail the Whitsunday islands is “winter” between June and October, with pleasant temperatures around 23 degrees Celsius (74 Fahrenheit).
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