Climate Overview
The climate in Wallan is cool. The average annual temperature is 3°C and approximately 349mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Wallan is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: December, November, October. The coldest months are January, February, December, when temperatures can drop to -3°C. Wallan experiences heavy snowfall, typically from January through December.
Temperature
Wallan sees moderate temperature variation throughout the year, ranging from -3°C to 10°C. December is the warmest month, though highs remain moderate at 10°C with a mean of 5°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is -2°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between February and March, with a 3°C shift in average temperatures.
Precipitation
Wallan is a quite dry location, receiving approximately 349mm of precipitation annually, which averages out to around 29mm per month. The wettest month is February, averaging 33mm of rainfall. March and April also tend to see above-average precipitation. The driest month is June, with just 11mm. That's 21mm less than February, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Wallan receives heavy snowfall, accumulating around 212cm annually from January through December. The snowiest month is February, with approximately 33cm. Winter travel should account for significant snow cover.
Wind
Wallan is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in November, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 12km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.
Seasons
18 days until Spring
It is currently winter in Wallan, which began on June 21, 2026. Wallan is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in December at around 10°C, while the coldest stretch bottoms out in January near -3°C. Spring is next, beginning on September 23, 2026 — 18 days from now.
Spring
Temperatures range from 4 to 8°C. Rainfall is relatively light, with around 98mm over the season and a monthly average of 33mm. Winds are generally light, averaging 5km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from -3 to 10°C. Rainfall is relatively light, with around 93mm over the season and a monthly average of 31mm. Winds are generally light, averaging 8km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 0 to 2°C. Rainfall is relatively light, with around 98mm over the season and a monthly average of 33mm. Expect around 98cm of snow accumulation during this period. Winds are generally light, averaging 12km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from 1 to 5°C. Rainfall is relatively light, with around 60mm over the season and a monthly average of 20mm. Expect around 10cm of snow accumulation during this period. Winds are generally light, averaging 6km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Wallan based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.