May weather forecastHertsön, Sweden
May
Weather in May
May, the last month of the spring in Hertsön, is a frosty month, with temperature in the range of an average high of 8.6°C (47.5°F) and an average low of 4°C (39.2°F).Temperature
As Hertsön transitions into May, a rise in the average high-temperature is observed, moving from an icy 2.3°C (36.1°F) in April to a chilly 8.6°C (47.5°F). Hertsön's nocturnal readings in May exhibit minimal variation from the daytime temperatures, averaging at a wintry 4°C (39.2°F).Humidity
In Hertsön, the average relative humidity in May is 74%.Rainfall
In May, the rain falls for 11.8 days. Throughout May, 33mm (1.3") of precipitation is accumulated. In Hertsön, Sweden, during the entire year, the rain falls for 110.8 days and collects up to 409mm (16.1") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows. During 3.3 snowfall days, in May, Hertsön aggregates 27mm (1.06") of snow. Throughout the year, there are 82.2 snowfall days, and 846mm (33.31") of snow is accumulated.Daylight
In May, the average length of the day is 19h and 8min.On the first day of May, sunrise is at 03:48 and sunset at 21:07. On the last day of the month, sunrise is at 01:55 and sunset at 23:02 CEST.
Sunshine
In Hertsön, the average sunshine in May is 10.7h.UV index
In May, the average daily maximum UV index in Hertsön is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 during May translates into the following guidance:
Put precautions into practice - Guidance to elude sunburn is provided. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hertsön, Sweden
- Average high temperature in May: 8.6°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (-5.7°C).
- Average low temperature in May: 4°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).
Average pressure in May
Hertsön, 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
Hertsön, Sweden
- Average wind speed in May: 13.6km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is April (13km/h).
Average humidity in May
Hertsön, Sweden
- Average humidity in May: 74%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is June (70%).
Average rainfall in May
Hertsön, Sweden
- Average rainfall in May: 33mm
The wettest month (with the highest rainfall) is December (46mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in May
Hertsön, Sweden
- Average rainfall days in May: 11.8 days
The month with the highest number of rainy days is August (13.9 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in May
Hertsön, Sweden
- Average snowfall in May: 27mm
The month with the highest snowfall is December (178mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Hertsön, Sweden
- Average snowfall days in May: 3.3 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hertsön, Sweden
- Average daylight in May: 19h and 6min
The month with the longest days is June (Average daylight: 22h and 30min).
The month with the shortest days is December (Average daylight: 3h and 30min).
- Average sunshine in May: 10h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in May
Hertsön, Sweden
- Average sunshine days in May: 15.3 days
The months with the most sunshine days are June and October (16.5 days).
The month with the least sunshine days is December (11.6 days).
Average UV index in May
Hertsön, 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, February, March, November and December (UV index 1).
Average cloud cover in May
Hertsön, Sweden
- Average cloud cover in May: 47
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in May
Hertsön, Sweden
- Average visibility in May: 9km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March and April (7km).
