May weather forecastHällsvik, Sweden
May
Weather in May
The last month of the spring, May, is a fresh month in Hällsvik, Sweden, with an average temperature varying between 12.8°C (55°F) and 8.9°C (48°F).Temperature
The arrival of May introduces a minor uplift in high-temperatures, adjusting from a chilly 8.3°C (46.9°F) in April to a cool 12.8°C (55°F). An average nighttime temperature of 8.9°C (48°F) marks May.Humidity
May is the least humid month in Hällsvik, with an average relative humidity of 75%.Rainfall
In Hällsvik, during May, the rain falls for 10.3 days and regularly aggregates up to 12mm (0.47") of precipitation. Throughout the year, there are 123.7 rainfall days, and 186mm (7.32") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In May, the average length of the day is 16h and 41min.On the first day of the month, sunrise is at 05:20 and sunset at 21:00. On the last day of May, in Hällsvik, sunrise is at 04:22 and sunset at 21:58 CEST.
Sunshine
The average sunshine in May in Hällsvik is 9.6h.UV index
The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Ensure safety - Recommendations to avert sunburn are presented. To guard against the harmful effects of the Sun, minimize exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hällsvik, Sweden
- Average high temperature in May: 12.8°C
The warmest month (with the highest average high temperature) is July (18.5°C).
The month with the lowest average high temperature is February (1.8°C).
- Average low temperature in May: 8.9°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (-0.3°C).
Average pressure in May
Hällsvik, Sweden
- Average pressure in May: 1014.6mbar
The month with the highest atmospheric pressure is April (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in May
Hällsvik, Sweden
- Average wind speed in May: 18.7km/h
The windiest month (with the highest average wind speed) is December (27km/h).
The calmest month (with the lowest average wind speed) is June (18.4km/h).
Average humidity in May
Hällsvik, Sweden
- Average humidity in May: 75%
The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is May (75%).
Average rainfall in May
Hällsvik, Sweden
- Average rainfall in May: 12mm
The wettest month (with the highest rainfall) is August (21mm).
The driest month (with the least rainfall) is April (8mm).
Average rainfall days in May
Hällsvik, Sweden
- Average rainfall days in May: 10.3 days
The month with the highest number of rainy days is August (13.6 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in May
Hällsvik, Sweden
- Average snowfall in May: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Hällsvik, Sweden
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Hällsvik, Sweden
- Average daylight in May: 16h and 42min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in May: 9h and 36min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The months with the least sunshine are January, February and November (Average sunshine: 3h and 42min).
Average sunshine days in May
Hällsvik, Sweden
- Average sunshine days in May: 16.9 days
The month with the most sunshine days is March (19.8 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in May
Hällsvik, Sweden
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Hällsvik, Sweden
- Average cloud cover in May: 37
The months with the most cloud cover are February and November (Cloud cover 62).
The month with the least cloud cover is June (Cloud cover 36).
Average visibility in May
Hällsvik, Sweden
- Average visibility in May: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).
