Climate Overview
The climate in Sunndalsøra is cool. The average annual temperature is 4°C and approximately 1741mm of precipitation falls per year. Sunndalsøra receives a notable amount of rainfall throughout the year, including during its driest month. Sunndalsøra 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. Sunndalsøra experiences heavy snowfall, typically from January through December.
Temperature
Temperatures in Sunndalsøra vary considerably across the year, with a 22°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 16°C with a mean of 13°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 6°C between highs and lows. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.
Precipitation
Sunndalsøra is a fairly wet location, receiving approximately 1741mm of precipitation annually, which averages out to around 145mm per month. The wettest month is December, averaging 198mm of rainfall. August and July also tend to see above-average precipitation. The driest month is November, with just 113mm. That's 84mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Sunndalsøra receives heavy snowfall, accumulating around 754cm annually from January through December. The snowiest month is December, with approximately 135cm. Winter travel should account for significant snow cover.
Wind
Sunndalsøra is relatively calm, with an average annual wind speed of 2km/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 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
88 days until Autumn
It is currently summer in Sunndalsøra, which began on June 21, 2026. Sunndalsøra 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 16°C, while the coldest stretch bottoms out in January near -6°C. Autumn is next, beginning on September 23, 2026 — 88 days from now.
Spring
Temperatures range from -5 to 10°C. Rainfall is heavy, totalling around 360mm across the season with a monthly average of 120mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 7 to 16°C. Rainfall is heavy, totalling around 477mm across the season with a monthly average of 159mm. Winds are generally light, averaging 1km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -4 to 13°C. Rainfall is heavy, totalling around 418mm across the season with a monthly average of 139mm. Expect around 150cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from -6 to 0°C. Rainfall is heavy, totalling around 486mm across the season with a monthly average of 162mm. Expect around 364cm of snow accumulation during this period. Winds are generally light, averaging 2km/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 Sunndalsøra 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.
