Climate Insights for Fort Frances

The climate in Fort Frances is cool. The average annual temperature is 5°C and approximately 744mm of precipitation falls per year. September is the wettest month, receiving around 104mm of rainfall. Fort Frances 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 February, January, December, when temperatures can drop to -17°C. Snowfall occurs from January to December, with around 121cm accumulating over the season.

Fort Frances has a wide annual temperature range, spanning 43°C from the coldest to warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 20°C. February brings the harshest conditions, with lows dropping to -17°C and an average temperature of -12°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between February and March, with a 9°C shift in average temperatures.

Fort Frances is a relatively dry area, receiving approximately 744mm of precipitation annually, which averages out to around 62mm per month. The wettest month is September, averaging 104mm of rainfall. June and August also tend to see above-average precipitation. The driest month is January, with just 22mm. That's 81mm less than September, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Snowfall is a regular feature from January to December, with around 121cm accumulating over the season. December typically sees the most snow at around 27cm.

Fort Frances 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 November, averaging 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 16km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

It is currently spring in Fort Frances, which began on March 20, 2026. Fort Frances 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 26°C, while the coldest stretch bottoms out in February near -17°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Fort Frances is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 91mm per month. By contrast, February can be quite cold with temperatures dropping to -17°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Fort Frances 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.