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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, the same as December, in Forsmark, Sweden, is another subzero cold winter month, with an average temperature ranging between min -2.8°C (27°F) and max -0.1°C (31.8°F). In Forsmark, January and February are characterised by the lowest temperatures, recording an average high of -0.1°C (31.8°F). Weather in January »
Weather in February
The last month of the winter, February, is also a subzero cold month in Forsmark, Sweden, with temperature in the range of an average high of -0.1°C (31.8°F) and an average low of -2.9°C (26.8°F). Forsmark witnesses its lowest temperatures during January and February, when the average high-temperature reaches -0.1°C (31.8°F). Weather in February »
Weather in March
The first month of the spring, March, is an icy month in Forsmark, Sweden, with an average temperature varying between 2.6°C (36.7°F) and -1.3°C (29.7°F). The average high-temperature in March, at an icy 2.6°C (36.7°F), reveals a modest deviation from February's -0.1°C (31.8°F). Weather in March »
Weather in April
April in Forsmark, Sweden, is a frosty spring month, with temperature in the range of an average high of 7.4°C (45.3°F) and an average low of 2.3°C (36.1°F). Forsmark's transition into April sees a mild rise in the average high-temperature, edging from a wintry 2.6°C (36.7°F) in March to a frosty 7.4°C (45.3°F). Weather in April »
Weather in May
The last month of the spring, May, is a cool month in Forsmark, Sweden, with an average temperature varying between 12.1°C (53.8°F) and 6.3°C (43.3°F). With the transition into May, Forsmark experiences a subtle uplift in average high-temperatures, adjusting from a frosty 7.4°C (45.3°F) in April to a fresh 12.1°C (53.8°F). Weather in May »
Weather in June
June, the first month of the summer in Forsmark, is a refreshing month, with an average temperature ranging between min 10.6°C (51.1°F) and max 16.2°C (61.2°F). As June arrives, Forsmark's weather shows a minor increase in high-temperatures, edging from May's fresh 12.1°C (53.8°F) to a comfortable 16.2°C (61.2°F). Weather in June »
Weather in July
July, the same as June, is another enjoyable summer month in Forsmark, Sweden, with an average temperature fluctuating between 19.7°C (67.5°F) and 13.7°C (56.7°F). July is the month when Forsmark sees the highest average temperatures, with a high of 19.7°C (67.5°F) and a low of 13.7°C (56.7°F). Weather in July »
Weather in August
August, the last month of the summer in Forsmark, is another comfortable month, with an average temperature ranging between max 19.6°C (67.3°F) and min 13.8°C (56.8°F). A minor adjustment in Forsmark's average high-temperature is noted with the start of August, touching a still comfortable 19.6°C (67.3°F) from July's 19.7°C (67.5°F). Weather in August »
Weather in September
The first month of the autumn, September, is still a mild month in Forsmark, Sweden, with an average temperature ranging between max 15.2°C (59.4°F) and min 10.8°C (51.4°F). Forsmark in September undergoes a slight reduction in the average high-temperature, shifting from August's enjoyable 19.6°C (67.3°F) to a moderate 15.2°C (59.4°F). Weather in September »
Weather in October
October, like September, is another chilly autumn month in Forsmark, Sweden, with an average temperature ranging between max 9°C (48.2°F) and min 5.7°C (42.3°F). October brings a decrease in the average high-temperature, falling from September's mild 15.2°C (59.4°F) to a frosty 9°C (48.2°F). Weather in October »
Weather in November
The last month of the autumn, November, is also an icy month in Forsmark, Sweden, with an average temperature ranging between max 4.9°C (40.8°F) and min 2.4°C (36.3°F). November signifies a minor drop in average high-temperature, transitioning from a frosty 9°C (48.2°F) in October to a wintry 4.9°C (40.8°F). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Forsmark, Sweden, with an average temperature varying between 1.7°C (35.1°F) and -1.2°C (29.8°F). Start of December brings a slight shift in the average high-temperature, dipping a bit from November's cold 4.9°C (40.8°F) to a still icy 1.7°C (35.1°F). Weather in December »
Updated: Jul 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
What part of the year is the coldest in Forsmark?
Forsmark's coldest period falls in January and February, when the average high-temperatures ascend to -0.1°C (31.8°F).
How much does it rain?
In Forsmark, during the entire year, the rain falls for 136.5 days and collects up to 345mm (13.58") of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How much does it snow?
Throughout the year, there are 51.1 snowfall days, and 330mm (12.99") of snow is accumulated.
What is the month with the lowest UV index?
January and February, with an average maximum UV index of 1, are months with the lowest UV index.
What is the most humid month?
February is the most humid month, with an average relative humidity of 87%.
What is the driest month?
The months with the least rainfall are February and April Rain falls for 4.3 days and accumulates 16mm (0.63") of rain.
What is the snowiest month?
The month with the most snowfall is March, when snow falls for 9.4 days and typically aggregates up to 78mm (3.07") of snow.
What are the least humid months?
May and June, with an average relative humidity of 74%, are the least humid months.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
With an average of 18h and 54min of daylight, June has the longest days of the year in Forsmark.
What month has the most sunshine?
June has the most sunshine of the year in Forsmark, with an average of 12.7h of sunshine.
When is the highest UV index?
June and July, with an average maximum UV index of 5, are months with the highest UV index.
What is the hottest time of year?
Forsmark's warmest temperatures are experienced in July, with average high temperatures of 19.7°C (67.5°F) and lows of 13.7°C (56.7°F).
What is the rainiest month?
July is the month with the most rainfall. Rain falls for 16.3 days and accumulates 52mm (2.05") of precipitation.
When is Daylight Saving Time (DST)?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, 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.
What is the month with the shortest days?
With an average of 5h and 54min of daylight, December has the shortest days of the year in Forsmark.
What is the month with the least sunshine?
With an average of 2.5h of sunshine, December has the least sunshine of the year.
Average temperature
Forsmark, Sweden
The warmest month (with the highest average high temperature) is July (19.7°C).
The months with the lowest average high temperature are January and February (-0.1°C).
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-2.9°C).
Average pressure
Forsmark, Sweden
- Average pressure in January:
1010.6mbar - Average pressure in February:
1011.1mbar - Average pressure in March:
1011.3mbar - Average pressure in April:
1013.9mbar - Average pressure in May:
1014.7mbar - Average pressure in June:
1012.4mbar
- Average pressure in July:
1010.9mbar - Average pressure in August:
1012.4mbar - Average pressure in September:
1012.9mbar - Average pressure in October:
1013.6mbar - Average pressure in November:
1010.6mbar - Average pressure in December:
1007.1mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.1mbar).
Average wind speed
Forsmark, Sweden
- Average wind speed in January:
19.7km/h - Average wind speed in February:
17.9km/h - Average wind speed in March:
17.3km/h - Average wind speed in April:
15.8km/h - Average wind speed in May:
14.9km/h - Average wind speed in June:
14.4km/h
- Average wind speed in July:
14.2km/h - Average wind speed in August:
14.5km/h - Average wind speed in September:
16.6km/h - Average wind speed in October:
18.2km/h - Average wind speed in November:
18.9km/h - Average wind speed in December:
20.3km/h
The windiest month (with the highest average wind speed) is December (20.3km/h).
The calmest month (with the lowest average wind speed) is July (14.2km/h).
Average humidity
Forsmark, Sweden
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are May and June (74%).
Average rainfall
Forsmark, Sweden
The wettest month (with the highest rainfall) is July (52mm).
The driest months (with the least rainfall) are February and April (16mm).
Average rainfall days
Forsmark, Sweden
- Average rainfall days in January:
6 days - Average rainfall days in February:
4.3 days - Average rainfall days in March:
9.1 days - Average rainfall days in April:
9.5 days - Average rainfall days in May:
13.3 days - Average rainfall days in June:
14.2 days
- Average rainfall days in July:
16.3 days - Average rainfall days in August:
16.5 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
13.8 days - Average rainfall days in November:
11.8 days - Average rainfall days in December:
8.2 days
The month with the highest number of rainy days is August (16.5 days).
The month with the least rainy days is February (4.3 days).
Average snowfall
Forsmark, Sweden
The month with the highest snowfall is March (78mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Forsmark, Sweden
- Average snowfall days in January:
12.4 days - Average snowfall days in February:
10.5 days - Average snowfall days in March:
9.4 days - Average snowfall days in April:
2.8 days - Average snowfall days in May:
0.5 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:
1.1 days - Average snowfall days in November:
3.2 days - Average snowfall days in December:
11.2 days
The month with the highest number of snowfall days is January (12.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Forsmark, Sweden
- Average daylight in January:
6h and 5min - Average daylight in February:
9h and 1min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 4min - Average daylight in May:
17h and 2min - Average daylight in June:
18h and 5min
- Average daylight in July:
18h and 1min - Average daylight in August:
15h and 4min - Average daylight in September:
12h and 5min - Average daylight in October:
10h and 1min - Average daylight in November:
7h and 3min - Average daylight in December:
5h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in January:
3h and 1min - Average sunshine in February:
3h and 4min - Average sunshine in March:
5h and 1min - Average sunshine in April:
8h and 2min - Average sunshine in May:
9h and 5min - Average sunshine in June:
12h and 4min
- Average sunshine in July:
11h and 4min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 2min - Average sunshine in October:
4h and 3min - Average sunshine in November:
3h and 2min - Average sunshine in December:
2h and 3min
The month with the most sunshine is June (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days
Forsmark, Sweden
- Average sunshine days in January:
13.6 days - Average sunshine days in February:
13.4 days - Average sunshine days in March:
13.3 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
15.3 days - Average sunshine days in June:
13.3 days
- Average sunshine days in July:
12.6 days - Average sunshine days in August:
11.7 days - Average sunshine days in September:
14 days - Average sunshine days in October:
12.9 days - Average sunshine days in November:
12 days - Average sunshine days in December:
11.6 days
The month with the most sunshine days is April (15.8 days).
The month with the least sunshine days is December (11.6 days).
Average UV index
Forsmark, Sweden
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover
Forsmark, Sweden
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility
Forsmark, Sweden
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).
