Climate Insights for Holmsund

The climate in Holmsund is cool. The average annual temperature is 5°C and approximately 749mm of precipitation falls per year. Holmsund receives a notable amount of rainfall throughout the year, including during its driest month. Holmsund is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, September. The coldest months are February, January, March, when temperatures can drop to -5°C. Holmsund experiences heavy snowfall, typically from January through December.

Temperatures in Holmsund vary considerably across the year, with a 21°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 16°C with a mean of 15°C. The coldest month is February, when overnight lows fall to -5°C and the daily average is -3°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between September and October, with a 6°C shift in average temperatures.

Holmsund is a relatively dry area, receiving approximately 749mm of precipitation annually, which averages out to around 62mm per month. The wettest month is October, averaging 96mm of rainfall. November and December also tend to see above-average precipitation. The driest month is April, with just 33mm. That's 63mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Holmsund receives heavy snowfall, accumulating around 216cm annually from January through December. The snowiest month is January, with approximately 45cm. Winter travel should account for significant snow cover.

Holmsund is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

It is currently summer in Holmsund, which began on June 21, 2026. Holmsund 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 February near -5°C. Autumn is next, beginning on September 23, 2026 — 88 days from now.

The best time to visit Holmsund is during July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 15°C with modest rainfall averaging 59mm per month. By contrast, February can be quite cold with temperatures dropping to -5°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Holmsund 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.