May weather forecastVallsta, Sweden
May
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).Temperature
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). During the month of May, Vallsta anticipates a mean low-temperature of 4.5°C (40.1°F).Humidity
May is the least humid month, with an average relative humidity of 67%.Rainfall
In Vallsta, in May, during 14.3 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Vallsta, Sweden, during the entire year, the rain falls for 122.8 days and collects up to 298mm (11.73") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 1.4 snowfall days, in May, Vallsta aggregates 22mm (0.87") of snow. In Vallsta, Sweden, during the entire year, snow falls for 68.5 days and aggregates up to 525mm (20.67") of snow.Daylight
In Vallsta, the average length of the day in May is 17h and 36min.On the first day of the month, sunrise is at 04:41 and sunset at 21:01. On the last day of May, sunrise is at 03:27 and sunset at 22:16 CEST.
Sunshine
The average sunshine in May is 9h.UV index
In Vallsta, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 4 in May translates into these instructions:
Take precautions - Protection against sunburn is recommended. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Vallsta, Sweden
- Average high temperature in May: 14.2°C
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).
- Average low temperature in May: 4.5°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 in May
Vallsta, Sweden
- Average pressure in May: 1014.4mbar
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 in May
Vallsta, Sweden
- Average wind speed in May: 9.7km/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 in May
Vallsta, Sweden
- Average humidity in May: 67%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (67%).
Average rainfall in May
Vallsta, Sweden
- Average rainfall in May: 33mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in May
Vallsta, Sweden
- Average rainfall days in May: 14.3 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 in May
Vallsta, Sweden
- Average snowfall in May: 22mm
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 in May
Vallsta, Sweden
- Average snowfall days in May: 1.4 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 in May /
Average sunshine in May
Vallsta, Sweden
- Average daylight in May: 17h 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 30min).
- Average sunshine in May: 9h and 0min
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 in May
Vallsta, Sweden
- Average sunshine days in May: 13.8 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 in May
Vallsta, Sweden
- Average UV index in May: 4
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 in May
Vallsta, Sweden
- Average cloud cover in May: 49
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 in May
Vallsta, Sweden
- Average visibility in May: 9km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February and March (6km).
