Climate and monthly weather forecastVallsta, Sweden
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 »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 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 12min - Average daylight in December:
5h and 30min
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 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
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).








