Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The arrival of May signals an increase in the average high-temperature, moving from a frosty 8.6°C (47.5°F) in April to a refreshing 14.2°C (57.6°F). During the month of May, Vallsta experiences a steady low-temperature average of 4.5°C (40.1°F).Humidity
The least humid month is May, with an average relative humidity of 67%.Rainfall
In May, the rain falls for 14.3 days. Throughout May, 33mm (1.3") of precipitation is accumulated. In Vallsta, during the entire year, the rain falls for 122.8 days and collects up to 298mm (11.73") of precipitation.Snowfall
Months with snowfall in Vallsta are January through May, October through December. May is the last month it regularly snows in Vallsta. During 1.4 snowfall days, in May, Vallsta aggregates 22mm (0.87") of snow. In Vallsta, during the entire year, snow falls for 68.5 days and aggregates up to 525mm (20.67") of snow.Daylight
In Vallsta, Sweden, the average length of the day in May is 17h and 36min.On the first day of May in Vallsta, sunrise is at 04:41 and sunset at 21:01. On the last day of the month, sunrise is at 03:27 and sunset at 22:16 CEST.
Sunshine
In Vallsta, the average sunshine in May is 9h.UV index
In May, the average daily maximum UV index in Vallsta is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 4 in May transforms into this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What are May temperatures in Vallsta?
What is the least humid month in Vallsta?
What is the average humidity in May in Vallsta?
How much does it rain in Vallsta in May?
What is the last month it snows in Vallsta?
How many hours of daylight does Vallsta have in May?
What time are sunrise and sunset in May in Vallsta?
How long on average sun shines in May in Vallsta?
How high is the UV index in May in Vallsta?
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 4min
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).
Vallsta, Sweden
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