Climate Overview
The climate in Trondheim Airport, Værnes is cool. The average annual temperature is 5°C and approximately 1340mm of precipitation falls per year. Trondheim Airport, Værnes receives a notable amount of rainfall throughout the year, including during its driest month. Trondheim Airport, Værnes 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 January, February, December, when temperatures can drop to -5°C. Trondheim Airport, Værnes experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Trondheim Airport, Værnes vary considerably across the year, with a 23°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 18°C with a mean of 14°C. The coldest month is January, when overnight lows fall to -5°C and the daily average is -3°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows. The sharpest temperature change occurs between September and October, with a 5°C shift in average temperatures.
Precipitation
Trondheim Airport, Værnes is a fairly wet location, receiving approximately 1340mm of precipitation annually, which averages out to around 112mm per month. The wettest month is December, averaging 133mm of rainfall. October and August also tend to see above-average precipitation. The driest month is May, with just 81mm. That's 52mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Trondheim Airport, Værnes receives heavy snowfall, accumulating around 277cm annually from January through December. The snowiest month is January, with approximately 53cm. Winter travel should account for significant snow cover.
Wind
Trondheim Airport, Værnes 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 January, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, 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. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 15km/h in winter, 14km/h in spring, 12km/h in summer, 14km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Trondheim Airport, Værnes, which began on March 20, 2026. Trondheim Airport, Værnes 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 18°C, while the coldest stretch bottoms out in January near -5°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from -3 to 12°C. Precipitation is moderate at around 278mm for the season, averaging 93mm per month. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 8 to 18°C. Rainfall is heavy, totalling around 356mm across the season with a monthly average of 119mm. Winds are generally light, averaging 12km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -1 to 14°C. Rainfall is heavy, totalling around 357mm across the season with a monthly average of 119mm. Expect around 41cm of snow accumulation during this period. Winds are generally light, averaging 14km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -5 to 1°C. Rainfall is heavy, totalling around 350mm across the season with a monthly average of 117mm. Expect around 149cm of snow accumulation during this period. Winds are moderate at around 15km/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 Trondheim Airport, Værnes 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.
