Climate Overview
The climate in Arendal Airport is cool. The average annual temperature is 8°C and approximately 1334mm of precipitation falls per year. Arendal Airport receives a notable amount of rainfall throughout the year, including during its driest month. Arendal Airport is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, March, when temperatures can drop to -3°C. Snowfall occurs from January to December, with around 174cm accumulating over the season.
Temperature
Temperatures in Arendal Airport vary considerably across the year, with a 24°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 21°C with a mean of 17°C. The coldest month is January, when overnight lows fall to -3°C and the daily average is 0°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between April and May, with a 5°C shift in average temperatures.
Precipitation
Arendal Airport is a fairly wet location, receiving approximately 1334mm of precipitation annually, which averages out to around 111mm per month. The wettest month is September, averaging 144mm of rainfall. November and December also tend to see above-average precipitation. The driest month is April, with just 55mm. That's 89mm less than September, 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 174cm accumulating over the season. January typically sees the most snow at around 49cm.
Wind
Arendal Airport is mildly breezy, with an average annual wind speed of 17km/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 19km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 15km/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 18km/h in winter, 17km/h in spring, 16km/h in summer, 18km/h in autumn.
Seasons
89 days until Summer
It is currently spring in Arendal Airport, which began on March 20, 2026. Arendal 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 21°C, while the coldest stretch bottoms out in January near -3°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from -1 to 16°C. Precipitation is moderate at around 228mm for the season, averaging 76mm per month. Winds are moderate at around 17km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 11 to 21°C. Rainfall is heavy, totalling around 342mm across the season with a monthly average of 114mm. Winds are moderate at around 16km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 1 to 17°C. Rainfall is heavy, totalling around 412mm across the season with a monthly average of 137mm. Expect around 21cm of snow accumulation during this period. Winds are moderate at around 18km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -3 to 3°C. Rainfall is heavy, totalling around 351mm across the season with a monthly average of 117mm. Expect around 117cm of snow accumulation during this period. Winds are moderate at around 18km/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 Arendal 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.
