Climate Overview
The climate in Gander International Airport is cool. The average annual temperature is 5°C and approximately 1143mm of precipitation falls per year. Gander International Airport receives a notable amount of rainfall throughout the year, including during its driest month. Gander International Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, June. The coldest months are February, January, March, when temperatures can drop to -10°C. Gander International Airport experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Gander International Airport vary considerably across the year, with a 33°C difference between the coldest and warmest months. August is the warmest month, though highs remain moderate at 23°C with a mean of 18°C. The coldest month is February, when overnight lows fall to -10°C and the daily average is -6°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between May and June, with a 6°C shift in average temperatures.
Precipitation
Gander International Airport is a moderately rainy area, receiving approximately 1143mm of precipitation annually, which averages out to around 95mm per month. The wettest month is November, averaging 129mm of rainfall. March and February also tend to see above-average precipitation. The driest month is July, with just 82mm. That's 48mm less than November, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Gander International Airport receives heavy snowfall, accumulating around 284cm annually from January through December. The snowiest month is March, with approximately 60cm. Winter travel should account for significant snow cover.
Wind
Gander International Airport is moderately windy, with an average annual wind speed of 20km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 23km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 17km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h 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 22km/h in winter, 21km/h in spring, 17km/h in summer, 20km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Gander International Airport, which began on March 20, 2026. Gander 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 August at around 23°C, while the coldest stretch bottoms out in February near -10°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from -7 to 12°C. Precipitation is moderate at around 288mm for the season, averaging 96mm per month. Winds are moderate at around 21km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 8 to 23°C. Precipitation is moderate at around 250mm for the season, averaging 83mm per month. Winds are moderate at around 17km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 0 to 18°C. Rainfall is heavy, totalling around 309mm across the season with a monthly average of 103mm. Expect around 31cm of snow accumulation during this period. Winds are moderate at around 20km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -10 to 1°C. Precipitation is moderate at around 297mm for the season, averaging 99mm per month. Expect around 146cm of snow accumulation during this period. Winds are moderate at around 22km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
The best time to visit Gander 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 83mm per month. By contrast, February can be quite cold with temperatures dropping to -10°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 Gander 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.
