Climate Overview
The climate in Bø is cool. The average annual temperature is 6°C and approximately 1255mm of precipitation falls per year. Bø receives a notable amount of rainfall throughout the year, including during its driest month. Bø 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 -6°C. Bø experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Bø vary considerably across the year, with a 26°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 20°C with a mean of 16°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 8°C between highs and lows. The sharpest temperature change occurs between April and May, with a 6°C shift in average temperatures.
Precipitation
Bø is a fairly wet location, receiving approximately 1255mm of precipitation annually, which averages out to around 105mm per month. The wettest month is September, averaging 151mm of rainfall. November and August also tend to see above-average precipitation. The driest month is April, with just 54mm. That's 97mm 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. Bø receives heavy snowfall, accumulating around 248cm annually from January through December. The snowiest month is January, with approximately 55cm. Winter travel should account for significant snow cover.
Wind
Bø is relatively calm, with an average annual wind speed of 12km/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 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in Bø, which began on March 20, 2026. Bø 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 20°C, while the coldest stretch bottoms out in January near -6°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from -4 to 15°C. Precipitation is moderate at around 222mm for the season, averaging 74mm per month. Winds are generally light, averaging 12km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 9 to 20°C. Rainfall is heavy, totalling around 343mm across the season with a monthly average of 114mm. 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 16°C. Rainfall is heavy, totalling around 393mm across the season with a monthly average of 131mm. Expect around 39cm of snow accumulation during this period. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -6 to 1°C. Precipitation is moderate at around 296mm for the season, averaging 99mm per month. Expect around 153cm of snow accumulation during this period. Winds are generally light, averaging 12km/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 Bø 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.
