Bollnäs Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Bollnäs.
Climate overview of Bollnäs
The climate in Bollnäs, Gavleborg, Sweden, is marked by large temperature swings across the seasons, ranging from 22°C (72°F) in July to -1°C (30°F) in January.
With around 716 mm (28 in) of annual rain/snowfall, the city has moderate precipitation levels. July is the wettest month and March the driest. It also has a distinct dry season from February to March, with warm summers and very cold winters.
Bollnäs Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Bollnäs - and find the best time to visit.
Monthly Temperature in Bollnäs
In Bollnäs, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 22°C (72°F) in July to a very cold -1°C (30°F) in the coolest month, January.
Nights vary from 11°C (52°F) in July to around -8°C (18°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Bollnäs
On average, Bollnäs receives a reasonable amount of rain/snowfall, with an annual precipitation of 716 mm (28 in). The climate in Bollnäs shows significant variation throughout the year. Expect moderate rainfall in July, the wettest month, with an average of 91 mm (3.6 in) of precipitation over 13 rainy days.
In contrast, the driest month March offers drier and sunnier days, with around 36 mm (1.4 in) of snow/rainfall over 12 snowy/rainy days. For more details, please visit our Bollnäs Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Bollnäs
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July and August
- Warmest weather: July
- Fewer rainy days: February, March, April, May and June
- Seasonal pattern: A distinct dry season from February to March, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -8°C (18°F).
Frequently asked questions about the climate in Bollnäs
What is the best time to visit Bollnäs?
July and August typically offer the most optimal weather in Bollnäs. In contrast, January, February, March, April, October, November and December tend to have less optimal conditions. Bollnäs has a distinct dry season from February to March, with warm summers and very cold winters.
What temperatures can I expect in Bollnäs?
Daytime highs range from -1°C (30°F) in January to 22°C (72°F) in July. Nighttime lows range from -8°C (18°F) to 11°C (52°F). Temperatures vary considerably through the year.
How much rain does Bollnäs get?
Annual rainfall is around 716 mm (28 in). July is the wettest month with 91 mm (3.6 in), while March is the driest with 36 mm (1.4 in).
Bollnäs 3-Day Forecast
Bollnäs on the map
Bollnäs is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Lund
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