Climate and monthly weather forecastBollnäs, Sweden
Climate and monthly weather forecast
Weather in January
January, like December, is a freezing cold winter month in Bollnäs, Sweden, with an average temperature fluctuating between -3°C (26.6°F) and -7.2°C (19°F). January is the coldest month, with an average high-temperature of -3°C (26.6°F) and an average low-temperature of -7.2°C (19°F). Weather in January »Weather in February
February, the last month of the winter in Bollnäs, is another freezing cold month, with an average temperature ranging between min -7°C (19.4°F) and max -2.1°C (28.2°F). A minimal variation is noted in Bollnäs's average high-temperature at the onset of February, reaching a still freezing cold -2.1°C (28.2°F) from January's -3°C (26.6°F). Weather in February »Weather in March
March, the first month of the spring in Bollnäs, is an icy month, with an average temperature varying between -4.6°C (23.7°F) and 1.6°C (34.9°F). March's arrival is noted with a slight increase in the average high-temperature, moving from a freezing cold -2.1°C (28.2°F) in February to an icy 1.6°C (34.9°F). Weather in March »Weather in April
April is a chilly spring month in Bollnäs, Sweden, with an average temperature varying between 8.6°C (47.5°F) and 0.3°C (32.5°F). April's arrival sees a rise in the average high-temperature, jumping from March's wintry 1.6°C (34.9°F) to a chilly 8.6°C (47.5°F). Weather in April »Weather in May
May, the last month of the spring in Bollnäs, is a moderate month, with an average temperature fluctuating between 4.5°C (40.1°F) and 14.2°C (57.6°F). In May, the average high-temperature increases from a chilly 8.6°C (47.5°F) in April to a mild 14.2°C (57.6°F). Weather in May »Weather in June
June, the first month of the summer in Bollnäs, is an enjoyable month, with temperature in the range of an average high of 18.1°C (64.6°F) and an average low of 8.7°C (47.7°F). As May transitions into June, a subtle temperature shift is observed, with average highs adjusting from a mild 14.2°C (57.6°F) to a comfortable 18.1°C (64.6°F). Weather in June »Weather in July
July in Bollnäs, Sweden, is a pleasant summer month, with an average temperature fluctuating between 20.8°C (69.4°F) and 11.2°C (52.2°F). July is the month when Bollnäs experiences its warmest temperatures, averaging a high of 20.8°C (69.4°F) and a low of 11.2°C (52.2°F). Weather in July »Weather in August
The last month of the summer, August, is another comfortable month in Bollnäs, Sweden, with an average temperature varying between 9.9°C (49.8°F) and 19.3°C (66.7°F). The initiation of August sees an average high-temperature of an enjoyable 19.3°C (66.7°F), showing minor variations from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Bollnäs, is also a moderate month, with an average temperature fluctuating between 14.5°C (58.1°F) and 6.9°C (44.4°F). September reveals a small adjustment in temperature, transitioning from an average high of an enjoyable 19.3°C (66.7°F) in August to a still refreshing 14.5°C (58.1°F). Weather in September »Weather in October
October, like September, is a frosty autumn month in Bollnäs, Sweden, with an average temperature varying between 2.1°C (35.8°F) and 7.5°C (45.5°F). In Bollnäs, the beginning of October is marked by a lowered average high-temperature, shifting from September's refreshing 14.5°C (58.1°F) to a chilly 7.5°C (45.5°F). Weather in October »Weather in November
The last month of the autumn, November, is also a wintry month in Bollnäs, Sweden, with temperature in the range of an average low of -1.4°C (29.5°F) and an average high of 2.2°C (36°F). The arrival of November corresponds with a temperature reduction, down from October's frosty 7.5°C (45.5°F) to an icy 2.2°C (36°F). Weather in November »Weather in December
The first month of the winter, December, is also a subzero cold month in Bollnäs, Sweden, with an average temperature fluctuating between -4.8°C (23.4°F) and -1.5°C (29.3°F). December's arrival aligns with a minor decrease in average high-temperatures, from November's cold 2.2°C (36°F) to a freezing cold -1.5°C (29.3°F). Weather in December »Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, noted for its average high-temperature of -3°C (26.6°F) and an average low-temperature of -7.2°C (19°F), is considered the coldest month.
January and February, with an average relative humidity of 92%, are most humid months.
In Bollnäs, Sweden, during the entire year, the rain falls for 122.8 days and collects up to 298mm (11.73") of precipitation.
Months with snowfall are January through May, October through December.
In Bollnäs, during the entire year, snow falls for 68.5 days and aggregates up to 525mm (20.67") of snow.
The months with the lowest UV index in Bollnäs are January through March, November and December, with an average maximum UV index of 1.
March is the month with the most snowfall in Bollnäs, Sweden. Snow falls for 12.9 days and accumulates 120mm (4.72") of snow.
The month with the least rainfall in Bollnäs is April, when the rain falls for 10.8 days and typically collects 13mm (0.51") of precipitation.
The least humid month is May, with an average relative humidity of 67%.
June through September are months without snowfall in Bollnäs, Sweden.
June has the longest days of the year in Bollnäs, Sweden, with an average of 19h and 18min of daylight.
With an average of 11.4h of sunshine, June has the most sunshine of the year.
The months with the highest UV index are June and July, with an average maximum UV index of 5.
Bollnäs's warmest month, July, registers temperatures that range from a high of 20.8°C (69.4°F) to a low of 11.2°C (52.2°F).
The month with the most rainfall in Bollnäs is July, when the rain falls for 16.5 days and typically aggregates up to 43mm (1.69") of precipitation.
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Bollnäs, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
The month with the shortest days is December, with an average of 5h and 36min of daylight.
December has the least sunshine of the year in Bollnäs, with an average of 1.7h of sunshine.
Average temperature
Bollnäs, Sweden
The warmest month (with the highest average high temperature) is July (20.8°C).
The month with the lowest average high temperature is January (-3°C).
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (-7.2°C).
Average pressure
Bollnäs, Sweden
- Average pressure in January:
1010.3mbar - Average pressure in February:
1010.6mbar - Average pressure in March:
1010.9mbar - Average pressure in April:
1013.6mbar - Average pressure in May:
1014.4mbar - Average pressure in June:
1012.2mbar
- Average pressure in July:
1010.7mbar - Average pressure in August:
1011.7mbar - Average pressure in September:
1012.4mbar - Average pressure in October:
1013.3mbar - Average pressure in November:
1010.1mbar - Average pressure in December:
1006.5mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1006.5mbar).
Average wind speed
Bollnäs, Sweden
- Average wind speed in January:
10.8km/h - Average wind speed in February:
10.4km/h - Average wind speed in March:
10.7km/h - Average wind speed in April:
10km/h - Average wind speed in May:
9.7km/h - Average wind speed in June:
9.9km/h
- Average wind speed in July:
9.4km/h - Average wind speed in August:
8.8km/h - Average wind speed in September:
9.8km/h - Average wind speed in October:
10.1km/h - Average wind speed in November:
10.1km/h - Average wind speed in December:
11km/h
The windiest month (with the highest average wind speed) is December (11km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity
Bollnäs, Sweden
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (67%).
Average rainfall
Bollnäs, Sweden
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days
Bollnäs, Sweden
- Average rainfall days in January:
4.6 days - Average rainfall days in February:
3.7 days - Average rainfall days in March:
6.8 days - Average rainfall days in April:
10.8 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
14.8 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
15.2 days - Average rainfall days in September:
10.7 days - Average rainfall days in October:
11.1 days - Average rainfall days in November:
8.2 days - Average rainfall days in December:
6.1 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (3.7 days).
Average snowfall
Bollnäs, Sweden
The month with the highest snowfall is March (120mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Bollnäs, Sweden
- Average snowfall days in January:
13.9 days - Average snowfall days in February:
14.9 days - Average snowfall days in March:
12.9 days - Average snowfall days in April:
4.2 days - Average snowfall days in May:
1.4 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
1.5 days - Average snowfall days in November:
6.5 days - Average snowfall days in December:
13.2 days
The month with the highest number of snowfall days is February (14.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Bollnäs, Sweden
- Average daylight in January:
6h and 30min - Average daylight in February:
9h and 0min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 48min - Average daylight in May:
17h and 36min - Average daylight in June:
19h and 18min
- Average daylight in July:
18h and 24min - Average daylight in August:
15h and 48min - Average daylight in September:
12h and 54min - Average daylight in October:
10h and 0min - Average daylight in November:
7h and 18min - Average daylight in December:
5h and 36min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in January:
2h and 48min - Average sunshine in February:
3h and 12min - Average sunshine in March:
4h and 48min - Average sunshine in April:
7h and 18min - Average sunshine in May:
9h and 0min - Average sunshine in June:
11h and 24min
- Average sunshine in July:
11h and 6min - Average sunshine in August:
8h and 54min - Average sunshine in September:
7h and 12min - Average sunshine in October:
4h and 24min - Average sunshine in November:
3h and 18min - Average sunshine in December:
1h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days
Bollnäs, Sweden
- Average sunshine days in January:
15.5 days - Average sunshine days in February:
12.5 days - Average sunshine days in March:
13.8 days - Average sunshine days in April:
15.1 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.4 days - Average sunshine days in September:
15.9 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
15.1 days - Average sunshine days in December:
14.3 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is July (11.3 days).
Average UV index
Bollnäs, Sweden
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover
Bollnäs, Sweden
The month with the most cloud cover is February (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 45).
Average visibility
Bollnäs, Sweden
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February and March (6km).
