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
In May, the average high-temperature increases from a chilly 8.6°C (47.5°F) in April to a mild 14.2°C (57.6°F). During May, Bollnäs sees a mean low-temperature of 4.5°C (40.1°F).Humidity
With an average relative humidity of 67%, May is the least humid month in Bollnäs.Rainfall
In Bollnäs, in May, during 14.3 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, in Bollnäs, Sweden, there are 122.8 rainfall days, and 298mm (11.73") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.4 snowfall days, in May, Bollnäs aggregates 22mm (0.87") of snow. Throughout the year, there are 68.5 snowfall days, and 525mm (20.67") of snow is accumulated.Daylight
In May, the average length of the day in Bollnäs is 17h and 33min.On the first day of May, sunrise is at 04:42 and sunset at 21:00. On the last day of the month, sunrise is at 03:29 and sunset at 22:14 CEST.
Sunshine
The average sunshine in May is 9h.UV index
The average daily maximum UV index in May in Bollnäs is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What is the average May temperature in Bollnäs?
What is the least humid month in Bollnäs?
What is the average humidity in May in Bollnäs?
How much does it rain in Bollnäs in May?
What is the last month it snows in Bollnäs?
How many hours of daylight does Bollnäs have in May?
When are sunrise and sunset in May in Bollnäs?
How long on average sun shines in May in Bollnäs?
How high is the UV index in May in Bollnäs?
Average temperature in May
Bollnäs, 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
Bollnäs, 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
Bollnäs, 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
Bollnäs, 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
Bollnäs, 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
Bollnäs, 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
Bollnäs, 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
Bollnäs, 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
Bollnäs, 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 36min).
- 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
Bollnäs, 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
Bollnäs, 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
Bollnäs, 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
Bollnäs, 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).
Bollnäs, Sweden
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