May weather forecastRolfs, Sweden
May
Weather in May
May, the last month of the spring in Rolfs, is a frosty month, with an average temperature varying between 9.2°C (48.6°F) and 3.8°C (38.8°F).Temperature
May sees a rise in the average high-temperature, climbing from a cold 2.4°C (36.3°F) in April to a chilly 9.2°C (48.6°F). May nights are marked by an average low-temperature of 3.8°C (38.8°F).Humidity
The average relative humidity in May in Rolfs is 73%.Rainfall
In Rolfs, during May, the rain falls for 13.9 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, there are 117.7 rainfall days, and 437mm (17.2") of precipitation is accumulated.Snowfall
Months with snowfall in Rolfs are January through June, September through December. In Rolfs, in May, during 3.5 snowfall days, 35mm (1.38") of snow is typically accumulated. Throughout the year, there are 96.5 snowfall days, and 1080mm (42.52") of snow is accumulated.Sea temperature
In May, the average sea temperature is 3.2°C (37.8°F).Note: When swimming, this is deemed life-endangering and extremely risky. The painful cold water instigates fast-paced hyperventilation. Wearing a specialized swimsuit is necessary to lessen thermal harm.
Daylight
In Rolfs, the average length of the day in May is 19h and 16min.On the first day of the month, sunrise is at 03:43 and sunset at 21:05. On the last day of May, sunrise is at 01:44 and sunset at 23:05 CEST.
Sunshine
The average sunshine in May is 10.6h.UV index
In Rolfs, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 during May leads to these advisories:
Guard yourself - Avoiding sunburn is suggested. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rolfs, Sweden
- Average high temperature in May: 9.2°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (-6.3°C).
- Average low temperature in May: 3.8°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is February (-11.1°C).
Average pressure in May
Rolfs, Sweden
- Average pressure in May: 1014mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1004.8mbar).
Average wind speed in May
Rolfs, Sweden
- Average wind speed in May: 13.1km/h
The windiest month (with the highest average wind speed) is December (15.9km/h).
The calmest month (with the lowest average wind speed) is April (12.2km/h).
Average humidity in May
Rolfs, Sweden
- Average humidity in May: 73%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is June (68%).
Average rainfall in May
Rolfs, Sweden
- Average rainfall in May: 36mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in May
Rolfs, Sweden
- Average rainfall days in May: 13.9 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in May
Rolfs, Sweden
- Average snowfall in May: 35mm
The month with the highest snowfall is March (231mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in May
Rolfs, Sweden
- Average snowfall days in May: 3.5 days
The month with the highest number of snowfall days is January (17.9 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in May
Rolfs, Sweden
- Average sea temperature in May: 3.2°C
The best month for swimming (with the highest average sea temperature) is July (16.8°C).
The coldest month (with the lowest average sea temperature) is February (-0.8°C).
Average daylight in May /
Average sunshine in May
Rolfs, Sweden
- Average daylight in May: 19h and 18min
The month with the longest days is July (Average daylight: 20h and 48min).
The month with the shortest days is December (Average daylight: 3h and 18min).
- Average sunshine in May: 10h and 36min
The month with the most sunshine is July (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in May
Rolfs, Sweden
- Average sunshine days in May: 13.1 days
The months with the most sunshine days are June and August (16.3 days).
The month with the least sunshine days is April (9.8 days).
Average UV index in May
Rolfs, Sweden
- Average UV index in May: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).
Average cloud cover in May
Rolfs, Sweden
- Average cloud cover in May: 48
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in May
Rolfs, Sweden
- Average visibility in May: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March and April (7km).





