Climate Insights for Arendal

The climate in Arendal is cool. The average annual temperature is 9°C and approximately 1,188 mm of precipitation falls per year. Arendal receives a notable amount of rainfall throughout the year, including during its driest month. Arendal 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 -2°C. Snowfall occurs from January to December, with around 193cm accumulating over the season.The climate in Arendal is cool. The average annual temperature is 47°F and approximately 46.8 in of precipitation falls per year. Arendal receives a notable amount of rainfall throughout the year, including during its driest month. Arendal 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 28°F. Snowfall occurs from January to December, with around 76in accumulating over the season.

Temperatures in Arendal 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 22°C with a mean of 18°C. The coldest month is January, when overnight lows fall to -2°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.Temperatures in Arendal vary considerably across the year, with a 43°F difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 71°F with a mean of 64°F. The coldest month is January, when overnight lows fall to 28°F and the daily average is 33°F. Daily temperature variation is modest, with an average difference of 12°F between highs and lows. The sharpest temperature change occurs between April and May, with a 10°F shift in average temperatures.

Arendal is a moderately rainy area, receiving approximately 1,188 mm of precipitation annually, which averages out to around 99 mm per month. The wettest month is November, averaging 134 mm of rainfall. October and December also tend to see above-average precipitation. The driest month is April, with just 53 mm. That's 81 mm 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 193cm accumulating over the season. January typically sees the most snow at around 63cm.Arendal is a moderately rainy area, receiving approximately 46.8 in of precipitation annually, which averages out to around 3.9 in per month. The wettest month is November, averaging 5.3 in of rainfall. October and December also tend to see above-average precipitation. The driest month is April, with just 2.1 in. That's 3.2 in 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 76in accumulating over the season. January typically sees the most snow at around 25in.

Arendal 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 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, 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 3km/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, 13km/h in spring, 12km/h in summer, 14km/h in autumn.Arendal is moderately windy, with an average annual wind speed of 8mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is January, averaging 9mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 7mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph 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 9mph in winter, 8mph in spring, 7mph in summer, 9mph in autumn.

The best time to visit Arendal is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 93 mm per month. By contrast, January can be quite cold with temperatures dropping to -2°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.The best time to visit Arendal is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 62°F with modest rainfall averaging 3.7 in per month. By contrast, January can be quite cold with temperatures dropping to 28°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Arendal 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.The table below shows monthly climate averages for Arendal based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.