Wanniassa Weather, ACT
Climate & monthly averages Pop 7,885
Wanniassa is a suburb of Canberra in the Unincorporated ACT local government area, with a population of about 7,885 (ACT ABS Census 2021). The local climate is cool temperate with cold winters, typical of the Canberra region.
Annual averages from the nearest weather station: maximum daily temperature of 19.6°C, minimum of 8.2°C, and around 597 mm of rainfall spread across the year.
Best Month
Mar
Comfort 10.0/10
Annual Rain
597 mm
Across all months
Avg Daily Max
19.6°C
Year-round average
Monthly averages
| Month | Max °C | Min °C | Rain mm | Rain days | Comfort |
|---|---|---|---|---|---|
| January | 25.4 | 15.0 | 105 | 12 | 9.2 |
| February | 26.4 | 14.6 | 51 | 7 | 9.1 |
| March | 25.1 | 12.2 | 22 | 6 | 10.0 |
| April | 18.2 | 7.5 | 54 | 6 | 5.9 |
| May | 14.9 | 4.8 | 45 | 4 | 3.1 |
| June | 10.8 | 1.2 | 50 | 10 | 1.0 |
| July | 10.7 | 1.7 | 44 | 6 | 1.0 |
| August | 14.3 | 3.6 | 25 | 7 | 2.6 |
| September | 16.3 | 4.4 | 26 | 3 | 5.2 |
| October | 20.5 | 6.8 | 26 | 5 | 8.6 |
| November | 25.4 | 13.0 | 88 | 5 | 9.7 |
| December | 27.4 | 13.9 | 60 | 8 | 8.3 |
What locals should know
With the coast over 104 km away, Wanniassa runs a touch hotter in summer and colder in winter than Canberra's coastal averages suggest. The hottest month is typically December (27°C average max) and the wettest is January (105 mm). All averages quoted come from the nearest long-term weather station, 14 km away in Canberra.
Looking for hourly forecasts, records, or the seasonal deep-dive? The full Canberra climate page has it all.
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