May weather forecastHerføl, Norway
May
Weather in May
The last month of the spring, May, is a moderate month in Herføl, Norway, with an average temperature ranging between max 13.3°C (55.9°F) and min 8.2°C (46.8°F).Temperature
A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from a chilly 8.8°C (47.8°F) in April to a mild 13.3°C (55.9°F). Herføl's nighttime temperature in May drops to an average of 8.2°C (46.8°F).Humidity
May is the least humid month in Herføl, with an average relative humidity of 73%.Rainfall
In Herføl, in May, it is raining for 14.6 days, with typically 37mm (1.46") of accumulated precipitation. In Herføl, during the entire year, the rain falls for 160.3 days and collects up to 557mm (21.93") of precipitation.Snowfall
May through September are months without snowfall in Herføl.Daylight
In Herføl, Norway, the average length of the day in May is 16h and 58min.On the first day of the month, sunrise is at 05:16 and sunset at 21:08. On the last day of May, sunrise is at 04:14 and sunset at 22:12 CEST.
Sunshine
In Herføl, Norway, the average sunshine in May is 9.7h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 4 during May morphs into the following directions:
Adopt protective measures - Suggestions to resist sunburn are offered. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Herføl, Norway
- Average high temperature in May: 13.3°C
The warmest month (with the highest average high temperature) is July (19°C).
The month with the lowest average high temperature is February (0.9°C).
- Average low temperature in May: 8.2°C
The months with the highest average low temperature are July and August (14.3°C).
The coldest month (with the lowest average low temperature) is February (-1.9°C).
Average pressure in May
Herføl, Norway
- Average pressure in May: 1014.1mbar
The month with the highest atmospheric pressure is April (1014.3mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in May
Herføl, Norway
- Average wind speed in May: 16.2km/h
The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is June (16km/h).
Average humidity in May
Herføl, Norway
- Average humidity in May: 73%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (73%).
Average rainfall in May
Herføl, Norway
- Average rainfall in May: 37mm
The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in May
Herføl, Norway
- Average rainfall days in May: 14.6 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in May
Herføl, Norway
- Average snowfall in May: 0mm
The month with the highest snowfall is January (55mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in May
Herføl, Norway
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Herføl, Norway
- Average daylight in May: 17h and 0min
The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- Average sunshine in May: 9h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in May
Herføl, Norway
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is April (17.3 days).
The month with the least sunshine days is December (10.8 days).
Average UV index in May
Herføl, Norway
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Herføl, Norway
- Average cloud cover in May: 40
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are June and July (Cloud cover 37).
Average visibility in May
Herføl, Norway
- Average visibility in May: 10km
The months with the highest visibility are April, May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, October, November and December (9km).





