May weather forecastHellestø, Norway
May
Weather in May
May, the last month of the spring in Hellestø, is a fresh month, with an average temperature ranging between max 10.5°C (50.9°F) and min 7.8°C (46°F).Temperature
The advent of May observes an average high-temperature of a fresh 10.5°C (50.9°F), nearly identical to April's 8°C (46.4°F). Hellestø registers a subtle dip to an average of 7.8°C (46°F) during the nights of May.Humidity
In May, the average relative humidity in Hellestø is 77%.Rainfall
In Hellestø, in May, it is raining for 14.8 days, with typically 52mm (2.05") of accumulated precipitation. Throughout the year, there are 210.6 rainfall days, and 1013mm (39.88") of precipitation is accumulated.Snowfall
In Hellestø, snow does not fall in May through October.Daylight
The average length of the day in May is 16h and 55min.On the first day of the month, sunrise is at 05:39 and sunset at 21:30. On the last day of May, in Hellestø, Norway, sunrise is at 04:37 and sunset at 22:33 CEST.
Sunshine
In Hellestø, Norway, the average sunshine in May is 9.5h.UV index
The months with the highest UV index in Hellestø are May through August, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during May, leads to the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Hellestø, Norway
- Average high temperature in May: 10.5°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (3.7°C).
- Average low temperature in May: 7.8°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in May
Hellestø, Norway
- Average pressure in May: 1015mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1006.7mbar).
Average wind speed in May
Hellestø, Norway
- Average wind speed in May: 18.4km/h
The windiest month (with the highest average wind speed) is January (27.4km/h).
The calmest months (with the lowest average wind speed) are June and July (17.2km/h).
Average humidity in May
Hellestø, Norway
- Average humidity in May: 77%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in May
Hellestø, Norway
- Average rainfall in May: 52mm
The wettest month (with the highest rainfall) is December (130mm).
The driest month (with the least rainfall) is June (43mm).
Average rainfall days in May
Hellestø, Norway
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is December (21.5 days).
The month with the least rainy days is June (13.3 days).
Average snowfall in May
Hellestø, Norway
- Average snowfall in May: 0mm
The month with the highest snowfall is March (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Hellestø, Norway
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Hellestø, Norway
- Average daylight in May: 16h and 54min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in May: 9h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in May
Hellestø, Norway
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is June (14.4 days).
The month with the least sunshine days is December (5.8 days).
Average UV index in May
Hellestø, Norway
- Average UV index in May: 4
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Hellestø, Norway
- Average cloud cover in May: 44
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in May
Hellestø, Norway
- Average visibility in May: 10km
The months with the highest visibility are April, May, June, July and August (10km).
The months with the lowest visibility are January, February, March, September, October, November and December (9km).





