Climate Insights for Dunsmuir

The climate in Dunsmuir is temperate. The average annual temperature is 10°C and approximately 1355mm of precipitation falls per year. January is the wettest month, receiving around 256mm of rainfall. Dunsmuir is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are December, February, January, when temperatures can drop to -2°C. Dunsmuir experiences heavy snowfall, typically from January through December.

Temperatures in Dunsmuir vary considerably across the year, with a 33°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 31°C and the mean temperature sits around 23°C. The coldest month is December, when overnight lows fall to -2°C and the daily average is 1°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Dunsmuir is a fairly wet location, receiving approximately 1355mm of precipitation annually, which averages out to around 113mm per month. The wettest month is January, averaging 256mm of rainfall. March and December also tend to see above-average precipitation. The driest month is July, with just 9mm. That's 247mm less than January, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Dunsmuir receives heavy snowfall, accumulating around 448cm annually from January through December. The snowiest month is January, with approximately 112cm. Winter travel should account for significant snow cover.

Dunsmuir is relatively calm, with an average annual wind speed of 11km/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 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently spring in Dunsmuir, which began on March 20, 2026. Dunsmuir is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 31°C, while the coldest stretch bottoms out in December near -2°C. Summer is next, beginning on June 21, 2026 — 87 days from now.

The best time to visit Dunsmuir is during June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 19mm per month. By contrast, December can be quite cold with temperatures dropping to -2°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Dunsmuir 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.