May weather forecastBollstanäs, Sweden
May
Weather in May
The last month of the spring, May, is a refreshing month in Bollstanäs, Sweden, with an average temperature fluctuating between 15.3°C (59.5°F) and 6.3°C (43.3°F).Temperature
As April transitions into May, a change in temperatures is observed, with average highs moving from a frosty 9.9°C (49.8°F) to a moderate 15.3°C (59.5°F). In Bollstanäs, May's nights observe an average temperature dip to a chilly 6.3°C (43.3°F).Humidity
May is the least humid month in Bollstanäs, with an average relative humidity of 71%.Rainfall
In Bollstanäs, in May, during 14.2 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, there are 137.4 rainfall days, and 358mm (14.09") of precipitation is accumulated.Snowfall
Months with snowfall in Bollstanäs are January through May, October through December. May is the last month it regularly snows. During 0.7 snowfall days, in May, Bollstanäs aggregates 7mm (0.28") of snow. Throughout the year, in Bollstanäs, there are 52 snowfall days, and 365mm (14.37") of snow is accumulated.Daylight
The average length of the day in May in Bollstanäs is 17h and 4min.On the first day of May in Bollstanäs, Sweden, sunrise is at 04:46 and sunset at 20:43. On the last day of the month, sunrise is at 03:42 and sunset at 21:49 CEST.
Sunshine
In Bollstanäs, the average sunshine in May is 9.1h.UV index
The average daily maximum UV index in May in Bollstanäs is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 4 in May translates into this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Bollstanäs, Sweden
- Average high temperature in May: 15.3°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in May: 6.3°C
The month with the highest average low temperature is July (13°C).
The coldest months (with the lowest average low temperature) are January and February (-4.2°C).
Average pressure in May
Bollstanäs, Sweden
- Average pressure in May: 1014.8mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).
Average wind speed in May
Bollstanäs, Sweden
- Average wind speed in May: 13km/h
The windiest month (with the highest average wind speed) is December (17.2km/h).
The calmest months (with the lowest average wind speed) are July and August (11.9km/h).
Average humidity in May
Bollstanäs, Sweden
- Average humidity in May: 71%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is May (71%).
Average rainfall in May
Bollstanäs, Sweden
- Average rainfall in May: 34mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in May
Bollstanäs, Sweden
- Average rainfall days in May: 14.2 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in May
Bollstanäs, Sweden
- Average snowfall in May: 7mm
The month with the highest snowfall is February (106mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Bollstanäs, Sweden
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is February (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Bollstanäs, Sweden
- Average daylight in May: 17h and 6min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in May
Bollstanäs, Sweden
- Average sunshine days in May: 13.7 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is February (11.1 days).
Average UV index in May
Bollstanäs, 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 and February (UV index 1).
Average cloud cover in May
Bollstanäs, Sweden
- Average cloud cover in May: 44
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in May
Bollstanäs, Sweden
- Average visibility in May: 9km
The months with the highest visibility are April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February and March (8km).





