Climate Overview
The climate in Fort McMurray/Mildred Lake Airport is cold. The average annual temperature is 2°C and approximately 425mm of precipitation falls per year. June is the wettest month, receiving around 80mm of rainfall. Fort McMurray/Mildred Lake Airport 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 -20°C. Snowfall occurs from January to December, with around 79cm accumulating over the season.
Temperature
Fort McMurray/Mildred Lake Airport has a wide annual temperature range, spanning 45°C from the coldest to warmest months. The warmest month is July, when average highs reach 25°C and the mean temperature sits around 18°C. February brings the harshest conditions, with lows dropping to -20°C and an average temperature of -15°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 10°C shift in average temperatures.
Precipitation
Fort McMurray/Mildred Lake Airport is a relatively dry area, receiving approximately 425mm of precipitation annually, which averages out to around 35mm per month. The wettest month is June, averaging 80mm of rainfall. July and August also tend to see above-average precipitation. The driest month is February, with just 15mm. That's 66mm less than June, 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. Snowfall is a regular feature from January to December, with around 79cm accumulating over the season. November typically sees the most snow at around 15cm.
Wind
Fort McMurray/Mildred Lake Airport is mildly breezy, with an average annual wind speed of 14km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 12km/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.
Seasons
89 days until Summer
It is currently spring in Fort McMurray/Mildred Lake Airport, which began on March 20, 2026. Fort McMurray/Mildred Lake Airport 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 -20°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from -12 to 20°C. Rainfall is relatively light, with around 72mm over the season and a monthly average of 24mm. Winds are generally light, averaging 15km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 10 to 25°C. Precipitation is moderate at around 218mm for the season, averaging 73mm per month. Winds are generally light, averaging 14km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -10 to 18°C. Rainfall is relatively light, with around 88mm over the season and a monthly average of 29mm. Expect around 22cm of snow accumulation during this period. Winds are generally light, averaging 14km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -20 to -9°C. Rainfall is relatively light, with around 47mm over the season and a monthly average of 16mm. Expect around 36cm 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 Fort McMurray/Mildred Lake Airport is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 73mm per month. By contrast, February can be quite cold with temperatures dropping to -20°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 Fort McMurray/Mildred Lake Airport 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.
