Climate Overview
The climate in Hvittingfoss is cool. The average annual temperature is 6°C and approximately 1181mm of precipitation falls per year. Hvittingfoss receives a notable amount of rainfall throughout the year, including during its driest month. Hvittingfoss 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, December, when temperatures can drop to -6°C. Hvittingfoss experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Hvittingfoss vary considerably across the year, with a 27°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 21°C with a mean of 16°C. The coldest month is January, when overnight lows fall to -6°C and the daily average is -3°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 6°C shift in average temperatures.
Precipitation
Hvittingfoss is a moderately rainy area, receiving approximately 1181mm of precipitation annually, which averages out to around 98mm per month. The wettest month is September, averaging 141mm of rainfall. July and August also tend to see above-average precipitation. The driest month is April, with just 53mm. That's 88mm 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. Hvittingfoss receives heavy snowfall, accumulating around 220cm annually from January through December. The snowiest month is January, with approximately 52cm. Winter travel should account for significant snow cover.
Wind
Hvittingfoss 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 July, with average winds dropping to 13km/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 Hvittingfoss, which began on March 20, 2026. Hvittingfoss 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 -6°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from -3 to 15°C. Precipitation is moderate at around 211mm for the season, averaging 70mm per month. Winds are generally light, averaging 14km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 10 to 21°C. Rainfall is heavy, totalling around 338mm across the season with a monthly average of 113mm. Winds are generally light, averaging 13km/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 361mm across the season with a monthly average of 120mm. Expect around 35cm 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 -6 to 1°C. Precipitation is moderate at around 272mm for the season, averaging 91mm per month. Expect around 135cm of snow accumulation during this period. Winds are generally light, averaging 14km/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 Hvittingfoss 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.
