Climate averages 1991–2020
Adelaide Hills weather
in January.
A warm, fairly dry month: the warmest and the 3rd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
January is a warm month in Adelaide Hills: daytime highs average 26.4°C and nights cool to about 14.3°C. By daytime temperature it is the warmest month of the year.
Expect about 21 mm of rain on roughly 4 days, which makes January a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 12 min on an average January day.
The nearest other city in this atlas is Adelaide (10 km away). In January its highs average 27.7°C, 1.3°C warmer than Adelaide Hills, with 19 mm of rain.
Among the 32 cities listed in Australia, Adelaide Hills ranks 22nd of 32 for the warmest January highs and 5th of 32 for the driest January (rainfall, lowest first). The mean January high of those 32 cities is 27.2°C; Adelaide Hills is 0.9°C cooler than that mean.
From January to February, average highs fall by 0.3°C to 26.1°C, and monthly rainfall falls from 21 mm to 19 mm.
The annual picture
January in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Adelaide Hills climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 26.4°C14.3°C | 14.3°C | 21 | 3.5 | 14.214 h |
| February | 26.1°C14.5°C | 14.5°C | 19 | 2.9 | 13.413 h |
| March | 23.2°C12.8°C | 12.8°C | 18 | 3.4 | 12.312 h |
| April | 19.4°C10.7°C | 10.7°C | 33 | 5.2 | 11.211 h |
| May | 15.3°C8.5°C | 8.5°C | 44 | 8.3 | 10.310 h |
| June | 12.4°C6.5°C | 6.5°C | 51 | 9.2 | 9.810 h |
| July | 11.7°C5.7°C | 5.7°C | 56 | 10.3 | 10.010 h |
| August | 12.6°C5.9°C | 5.9°C | 56 | 10.8 | 10.811 h |
| September | 15.1°C7.2°C | 7.2°C | 55 | 9.8 | 11.812 h |
| October | 18.4°C8.8°C | 8.8°C | 36 | 6.8 | 12.913 h |
| November | 21.6°C10.9°C | 10.9°C | 34 | 5.9 | 13.914 h |
| December | 23.9°C12.6°C | 12.6°C | 28 | 5.4 | 14.414 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
January in nearby cities
- Adelaide in JanuaryAustralia · 10 kmHigh 27.7°C · Low 16.6°C · 19 mm rain
- Bendigo in JanuaryAustralia · 543 kmHigh 28.4°C · Low 15.3°C · 38 mm rain
- Ballarat in JanuaryAustralia · 547 kmHigh 24.7°C · Low 12.3°C · 45 mm rain
- Geelong in JanuaryAustralia · 620 kmHigh 24.0°C · Low 14.8°C · 37 mm rain
- Melbourne in JanuaryAustralia · 646 kmHigh 25.5°C · Low 14.7°C · 49 mm rain
- Canberra in JanuaryAustralia · 949 kmHigh 26.7°C · Low 14.3°C · 48 mm rain
- Sydney in JanuaryAustralia · 1152 kmHigh 25.6°C · Low 19.5°C · 73 mm rain
- Newcastle, Australia in JanuaryAustralia · 1225 kmHigh 26.1°C · Low 20.2°C · 76 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Adelaide Hills) is explained once on the Adelaide Hills year overview and on the Sources, method and limits page.