Climate Overview
The climate in Prince Rupert Airport is cool. The average annual temperature is 8°C and approximately 2826mm of precipitation falls per year. Prince Rupert Airport receives a notable amount of rainfall throughout the year, including during its driest month. Prince Rupert Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are February, December, January, when temperatures can drop to 2°C. Snowfall occurs from January to December, with around 120cm accumulating over the season.
Temperature
Prince Rupert Airport sees moderate temperature variation throughout the year, ranging from 2°C to 15°C. August is the warmest month, though highs remain moderate at 15°C with a mean of 14°C. February is the coolest month, with minimum temperatures around 2°C and an average of 3°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between October and November, with a 3°C shift in average temperatures.
Precipitation
Prince Rupert Airport is a very wet location, receiving approximately 2826mm of precipitation annually, which averages out to around 236mm per month. The wettest month is November, averaging 397mm of rainfall. January and October also tend to see above-average precipitation. The driest month is July, with just 107mm. That's 290mm less than November, 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 120cm accumulating over the season. February typically sees the most snow at around 30cm.
Wind
Prince Rupert Airport is moderately windy, with an average annual wind speed of 25km/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 29km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in July, with average winds dropping to 19km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 28km/h in winter, 24km/h in spring, 21km/h in summer, 25km/h in autumn.
Seasons
88 days until Summer
It is currently spring in Prince Rupert Airport, which began on March 20, 2026. Prince Rupert 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 August at around 15°C, while the coldest stretch bottoms out in February near 2°C. Summer is next, beginning on June 21, 2026 — 88 days from now.
Spring
Temperatures range from 3 to 11°C. Rainfall is heavy, totalling around 552mm across the season with a monthly average of 184mm. Winds are moderate at around 24km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 10 to 15°C. Rainfall is heavy, totalling around 418mm across the season with a monthly average of 139mm. Winds are moderate at around 21km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 5 to 14°C. Rainfall is heavy, totalling around 968mm across the season with a monthly average of 323mm. Expect around 12cm of snow accumulation during this period. Winds are strong, averaging 25km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 2 to 5°C. Rainfall is heavy, totalling around 888mm across the season with a monthly average of 296mm. Expect around 74cm of snow accumulation during this period. Winds are strong, averaging 28km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Prince Rupert 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.
