Climate Insights for Powassan

The climate in Powassan is cool. The average annual temperature is 5°C and approximately 1080mm of precipitation falls per year. Powassan receives a notable amount of rainfall throughout the year, including during its driest month. Powassan 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 January, February, December, when temperatures can drop to -14°C. Snowfall occurs from January to December, with around 190cm accumulating over the season.

Powassan has a wide annual temperature range, spanning 39°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 25°C with a mean of 19°C. The coldest month is January, when overnight lows fall to -14°C and the daily average is -10°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 9°C shift in average temperatures.

Powassan is a moderately rainy area, receiving approximately 1080mm of precipitation annually, which averages out to around 90mm per month. The wettest month is August, averaging 115mm of rainfall. June and July also tend to see above-average precipitation. The driest month is January, with just 64mm. That's 52mm less than August, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Snowfall is a regular feature from January to December, with around 190cm accumulating over the season. January typically sees the most snow at around 41cm.

Powassan is mildly breezy, with an average annual wind speed of 17km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 18km/h in winter, 18km/h in spring, 16km/h in summer, 18km/h in autumn.

It is currently spring in Powassan, which began on March 20, 2026. Powassan 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 25°C, while the coldest stretch bottoms out in January near -14°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

The table below shows monthly climate averages for Powassan 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.