Climate averages 1991–2020
Ballarat weather
in December.
A warm, moderately wet month: the 3rd warmest and the 8th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a warm month in Ballarat: daytime highs average 22.1°C and nights cool to about 10.3°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 52 mm of rain on roughly 7 days, which makes December a moderately wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 42 min on an average December day.
The nearest other city in this atlas is Geelong (79 km away). In December its highs average 21.9°C, about as warm as Ballarat, with 42 mm of rain.
Among the 32 cities listed in Australia, Ballarat ranks joint 28th of 32 for the warmest December highs and 8th of 32 for the driest December (rainfall, lowest first). The mean December high of those 32 cities is 26.0°C; Ballarat is 3.9°C cooler than that mean.
From December to January, average highs rise by 2.6°C to 24.7°C, and monthly rainfall falls from 52 mm to 45 mm.
The annual picture
December 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
Ballarat climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 24.7°C12.3°C | 12.3°C | 45 | 6.0 | 14.414 h |
| February | 24.3°C12.6°C | 12.6°C | 40 | 5.0 | 13.514 h |
| March | 21.6°C11.2°C | 11.2°C | 29 | 5.2 | 12.412 h |
| April | 17.5°C8.7°C | 8.7°C | 38 | 6.5 | 11.111 h |
| May | 13.6°C6.9°C | 6.9°C | 45 | 9.0 | 10.110 h |
| June | 10.8°C5.1°C | 5.1°C | 51 | 9.7 | 9.610 h |
| July | 10.1°C4.3°C | 4.3°C | 49 | 11.0 | 9.810 h |
| August | 11.1°C4.3°C | 4.3°C | 66 | 12.4 | 10.711 h |
| September | 13.4°C5.4°C | 5.4°C | 69 | 12.2 | 11.812 h |
| October | 16.4°C6.9°C | 6.9°C | 62 | 10.2 | 13.013 h |
| November | 19.4°C8.8°C | 8.8°C | 61 | 8.9 | 14.114 h |
| December, selected | 22.1°C10.3°C | 10.3°C | 52 | 7.0 | 14.715 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
December in nearby cities
- Geelong in DecemberAustralia · 79 kmHigh 21.9°C · Low 12.9°C · 42 mm rain
- Bendigo in DecemberAustralia · 98 kmHigh 25.8°C · Low 13.1°C · 43 mm rain
- Melbourne in DecemberAustralia · 102 kmHigh 23.3°C · Low 12.9°C · 60 mm rain
- Launceston in DecemberAustralia · 515 kmHigh 21.0°C · Low 10.3°C · 57 mm rain
- Tuggeranong in DecemberAustralia · 524 kmHigh 24.3°C · Low 12.1°C · 81 mm rain
- Canberra in DecemberAustralia · 536 kmHigh 24.3°C · Low 12.1°C · 55 mm rain
- Adelaide Hills in DecemberAustralia · 547 kmHigh 23.9°C · Low 12.6°C · 28 mm rain
- Adelaide in DecemberAustralia · 555 kmHigh 25.3°C · Low 15.0°C · 25 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 Ballarat) is explained once on the Ballarat year overview and on the Sources, method and limits page.