Climate Overview
The climate in Cranbrook/Canadian Rockies International Airport is cool. The average annual temperature is 5°C and approximately 567mm of precipitation falls per year. June is the wettest month, receiving around 64mm of rainfall. Cranbrook/Canadian Rockies International 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 -11°C. Snowfall occurs from January to December, with around 198cm accumulating over the season.
Temperature
Cranbrook/Canadian Rockies International Airport has a wide annual temperature range, spanning 37°C from the coldest to warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 18°C. The coldest month is February, when overnight lows fall to -11°C and the daily average is -7°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between September and October, with a 7°C shift in average temperatures.
Precipitation
Cranbrook/Canadian Rockies International Airport is a relatively dry area, receiving approximately 567mm of precipitation annually, which averages out to around 47mm per month. The wettest month is June, averaging 64mm of rainfall. December and November also tend to see above-average precipitation. The driest month is July, with just 27mm. That's 37mm less than June, 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 198cm accumulating over the season. December typically sees the most snow at around 42cm.
Wind
Cranbrook/Canadian Rockies International Airport is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 7km/h in winter, 10km/h in spring, 10km/h in summer, 9km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Cranbrook/Canadian Rockies International Airport, which began on March 20, 2026. Cranbrook/Canadian Rockies International 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 26°C, while the coldest stretch bottoms out in February near -11°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from -6 to 16°C. Rainfall is relatively light, with around 148mm over the season and a monthly average of 49mm. Winds are generally light, averaging 10km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 7 to 26°C. Rainfall is relatively light, with around 125mm over the season and a monthly average of 42mm. Winds are generally light, averaging 10km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -5 to 19°C. Rainfall is relatively light, with around 145mm over the season and a monthly average of 48mm. Expect around 46cm of snow accumulation during this period. Winds are generally light, averaging 9km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -11 to -2°C. Rainfall is relatively light, with around 149mm over the season and a monthly average of 50mm. Expect around 103cm of snow accumulation during this period. Winds are generally light, averaging 7km/h. Heavy layering and insulated outerwear are essential — exposed skin should be minimised outdoors.
Best Time to Visit
The best time to visit Cranbrook/Canadian Rockies International Airport is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 30mm per month. By contrast, February can be quite cold with temperatures dropping to -11°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Cranbrook/Canadian Rockies International 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.
