Climate Overview
The climate in Attawapiskat is cold. The average annual temperature is -2°C and approximately 692mm of precipitation falls per year. July is the wettest month, receiving around 112mm of rainfall. Attawapiskat 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 -23°C. Attawapiskat experiences heavy snowfall, typically from January through December.
Temperature
Attawapiskat has a wide annual temperature range, spanning 45°C from the coldest to warmest months. July is the warmest month, though highs remain moderate at 22°C with a mean of 15°C. February brings the harshest conditions, with lows dropping to -23°C and an average temperature of -18°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 10°C shift in average temperatures.
Precipitation
Attawapiskat is a relatively dry area, receiving approximately 692mm of precipitation annually, which averages out to around 58mm per month. The wettest month is July, averaging 112mm of rainfall. September and October also tend to see above-average precipitation. The driest month is March, with just 25mm. That's 88mm less than July, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Attawapiskat receives heavy snowfall, accumulating around 219cm annually from January through December. The snowiest month is November, with approximately 40cm. Winter travel should account for significant snow cover.
Wind
Attawapiskat is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 4km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
93 days until Autumn
It is currently summer in Attawapiskat, which began on June 21, 2026. Attawapiskat 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 22°C, while the coldest stretch bottoms out in February near -23°C. Autumn is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from -17 to 10°C. Rainfall is relatively light, with around 123mm over the season and a monthly average of 41mm. Winds are generally light, averaging 4km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 5 to 22°C. Precipitation is moderate at around 250mm for the season, averaging 83mm per month. Winds are generally light, averaging 3km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -9 to 15°C. Precipitation is moderate at around 229mm for the season, averaging 76mm per month. Expect around 65cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -23 to -11°C. Rainfall is relatively light, with around 90mm over the season and a monthly average of 30mm. Expect around 87cm of snow accumulation during this period. Winds are generally light, averaging 4km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Monthly Climate Data
The table below shows monthly climate averages for Attawapiskat 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.
