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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 Vallsta, Sweden, is a freezing cold winter month, with an average temperature fluctuating between -7.2°C (19°F) and -3°C (26.6°F). January is the coldest month, with the temperature often reaching an average high of -3°C (26.6°F) and an average low of -7.2°C (19°F). Weather in January »
Weather in February
February, the last month of the winter in Vallsta, is also a subzero cold month, with an average temperature fluctuating between -2.1°C (28.2°F) and -7°C (19.4°F). With the onset of February, a modest change to a still freezing cold -2.1°C (28.2°F) from January's -3°C (26.6°F) is noted in high-temperature. Weather in February »
Weather in March
March, the first month of the spring in Vallsta, is an icy month, with an average temperature fluctuating between -4.6°C (23.7°F) and 1.6°C (34.9°F). Vallsta experiences a minor temperature shift with the start of March, with average high-temperatures 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 Vallsta, Sweden, with an average temperature varying between 0.3°C (32.5°F) and 8.6°C (47.5°F). With the onset of April, Vallsta's average high-temperature sees a rise, moving from March's icy 1.6°C (34.9°F) to a frosty 8.6°C (47.5°F). Weather in April »
Weather in May
May, the last month of the spring in Vallsta, is a mild month, with an average temperature fluctuating between 4.5°C (40.1°F) and 14.2°C (57.6°F). In Vallsta, the average high-temperature in May increases from a frosty 8.6°C (47.5°F) in April to a moderate 14.2°C (57.6°F). Weather in May »
Weather in June
June, the first month of the summer in Vallsta, is an enjoyable month, with an average temperature ranging between min 8.7°C (47.7°F) and max 18.1°C (64.6°F). With the onset of June, Vallsta's average high-temperature experiences a slight rise, moving from May's refreshing 14.2°C (57.6°F) to an enjoyable 18.1°C (64.6°F). Weather in June »
Weather in July
July in Vallsta, Sweden, is an agreeable summer month, with an average temperature fluctuating between 11.2°C (52.2°F) and 20.8°C (69.4°F). July is the warmest month, with an average high-temperature of 20.8°C (69.4°F) and an average low-temperature of 11.2°C (52.2°F). Weather in July »
Weather in August
The last month of the summer, August, is also an enjoyable month in Vallsta, Sweden, with temperature in the range of an average low of 9.9°C (49.8°F) and an average high of 19.3°C (66.7°F). The average high-temperature during August is a comfortable 19.3°C (66.7°F), almost matching the conditions of the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Vallsta, is also a moderate month, with an average temperature fluctuating between 6.9°C (44.4°F) and 14.5°C (58.1°F). September ushers in a minute temperature change, with average high-temperatures reducing from August's comfortable 19.3°C (66.7°F) 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 Vallsta, Sweden, with an average temperature fluctuating between 2.1°C (35.8°F) and 7.5°C (45.5°F). Onset of October comes with a temperature decline, the average high falling from a moderate 14.5°C (58.1°F) in September to a frosty 7.5°C (45.5°F). Weather in October »
Weather in November
The last month of the autumn, November, is another cold month in Vallsta, 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 start of November involves a temperature drop, moving from a chilly 7.5°C (45.5°F) in October to a wintry 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 Vallsta, Sweden, with an average temperature varying between -4.8°C (23.4°F) and -1.5°C (29.3°F). Transition into December subtly marks a drop in the average high-temperature, moderately moving from a cold 2.2°C (36°F) in November to a freezing cold -1.5°C (29.3°F). Weather in December »
Updated: Jul 26, 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 are the coldest months?
With average high and low temperatures of -3°C (26.6°F) and -7.2°C (19°F) respectively, January is Vallsta's coldest month.
What are the most humid months?
The months with the highest humidity are January and February, with an average relative humidity of 92%.
How many days does it rain?
In Vallsta, during the entire year, the rain falls for 122.8 days and collects up to 298mm (11.73") of precipitation.
When does it snow?
January through May, October through December are months with snowfall.
How many days does it snow?
Throughout the year, there are 68.5 snowfall days, and 525mm (20.67") of snow is accumulated.
What is the month with the lowest UV index?
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index.
When does it snow the most?
March is the month with the most snowfall. Snow falls for 12.9 days and accumulates 120mm (4.72") of snow.
What is the driest month?
April is the month with the least rainfall. Rain falls for 10.8 days and accumulates 13mm (0.51") of precipitation.
What is the least humid month?
With an average relative humidity of 67%, May is the least humid month.
When it does not snow?
June through September are months without snowfall.
When are the longest days?
With an average of 19h and 18min of daylight, June has the longest days of the year.
What month has the most sunshine?
June has the most sunshine of the year, with an average of 11.4h of sunshine.
When is the highest UV index?
The months with the highest UV index are June and July, with an average maximum UV index of 5.
What is the warmest month in Vallsta?
The month of July sees the average highest temperatures in Vallsta, reaching 20.8°C (69.4°F) at the peak and 11.2°C (52.2°F) at the low.
What is the wettest month?
The month with the most rainfall is July, when the rain falls for 16.5 days and typically aggregates up to 43mm (1.69") 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?
December has the shortest days of the year, with an average of 5h and 30min of daylight.
What is the month with the least sunshine?
With an average of 1.7h of sunshine, December has the least sunshine of the year.
Average temperature
Vallsta, 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
Vallsta, 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
Vallsta, 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
Vallsta, 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
Vallsta, Sweden
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days
Vallsta, 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
Vallsta, 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
Vallsta, 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
Vallsta, Sweden
- Average daylight in January:
6h and 3min - Average daylight in February:
9h and 0min - Average daylight in March:
11h and 5min - Average daylight in April:
14h and 5min - Average daylight in May:
17h and 4min - Average daylight in June:
19h and 2min
- Average daylight in July:
18h and 2min - Average daylight in August:
15h and 5min - Average daylight in September:
12h and 5min - Average daylight in October:
10h and 0min - Average daylight in November:
7h and 1min - Average daylight in December:
5h and 3min
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 30min).
- Average sunshine in January:
2h and 5min - Average sunshine in February:
3h and 1min - Average sunshine in March:
4h and 5min - Average sunshine in April:
7h and 2min - Average sunshine in May:
9h and 0min - Average sunshine in June:
11h and 2min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
8h and 5min - Average sunshine in September:
7h and 1min - Average sunshine in October:
4h and 2min - Average sunshine in November:
3h and 2min - Average sunshine in December:
1h and 4min
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
Vallsta, 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
Vallsta, 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
Vallsta, 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
Vallsta, 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).
