Climate Overview
The climate in Atikokan is cool. The average annual temperature is 4°C and approximately 776mm of precipitation falls per year. September is the wettest month, receiving around 106mm of rainfall. Atikokan 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. Atikokan experiences heavy snowfall, typically from January through December.
Temperature
Atikokan has a wide annual temperature range, spanning 42°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. February brings the harshest conditions, with lows dropping to -17°C and an average temperature of -13°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.
Precipitation
Atikokan is a relatively dry area, receiving approximately 776mm of precipitation annually, which averages out to around 65mm per month. The wettest month is September, averaging 106mm of rainfall. August and June also tend to see above-average precipitation. The driest month is January, with just 27mm. That's 79mm 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. Atikokan receives heavy snowfall, accumulating around 202cm annually from January through December. The snowiest month is December, with approximately 39cm. Winter travel should account for significant snow cover.
Wind
Atikokan is relatively calm, with an average annual wind speed of 12km/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 14km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 11km/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.
Seasons
87 days until Winter
It is currently autumn in Atikokan, which began on September 23, 2026. Atikokan 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 February near -17°C. Winter is next, beginning on December 21, 2026 (87 days from now).
Spring
Temperatures range from -9 to 17°C. Precipitation is moderate at around 165mm for the season, averaging 55mm per month. Winds are generally light, averaging 12km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 11 to 25°C. Precipitation is moderate at around 274mm for the season, averaging 91mm per month. Winds are generally light, averaging 11km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -4 to 19°C. Precipitation is moderate at around 228mm for the season, averaging 76mm per month. Expect around 44cm of snow accumulation during this period. Winds are generally light, averaging 13km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -17 to -6°C. Rainfall is relatively light, with around 108mm over the season and a monthly average of 36mm. Expect around 94cm of snow accumulation during this period. Winds are generally light, averaging 12km/h. Heavy layering and insulated outerwear are essential. Exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Atikokan is during June and July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 87mm 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.
Monthly Climate Data
The table below shows monthly climate averages for Atikokan 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.