Climate Insights for Nesna

The climate in Nesna is cool. The average annual temperature is 4°C and approximately 2143mm of precipitation falls per year. Nesna receives a notable amount of rainfall throughout the year, including during its driest month. Nesna 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, March, when temperatures can drop to -6°C. Nesna experiences heavy snowfall, typically from January through December.

Temperatures in Nesna 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 17°C with a mean of 14°C. The coldest month is January, when overnight lows fall to -6°C and the daily average is -4°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 6°C shift in average temperatures.

Nesna is a very wet location, receiving approximately 2143mm of precipitation annually, which averages out to around 179mm per month. The wettest month is January, averaging 238mm of rainfall. December and October also tend to see above-average precipitation. The driest month is May, with just 121mm. That's 117mm less than January, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Nesna receives heavy snowfall, accumulating around 500cm annually from January through December. The snowiest month is January, with approximately 98cm. Winter travel should account for significant snow cover.

Nesna is mildly breezy, with an average annual wind speed of 15km/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 18km/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. There is moderate seasonal variation in wind speed, with a 6km/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 17km/h in winter, 14km/h in spring, 13km/h in summer, 15km/h in autumn.

It is currently spring in Nesna, which began on March 20, 2026. Nesna 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 17°C, while the coldest stretch bottoms out in January near -6°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Nesna 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.