May weather forecastHerefoss, Norway
May
Weather in May
The last month of the spring, May, is a fresh month in Herefoss, Norway, with an average temperature fluctuating between 7.9°C (46.2°F) and 12.9°C (55.2°F).Temperature
Herefoss in May denotes a subtle temperature transition, adjusting from an average high of a frosty 8.8°C (47.8°F) in April to a cool 12.9°C (55.2°F). Herefoss's nighttime temperature in May experiences a slight dip from daytime highs, falling to an average of 7.9°C (46.2°F).Humidity
The months with the lowest humidity are May and June, with an average relative humidity of 70%.Rainfall
In Herefoss, in May, it is raining for 10.8 days, with typically 40mm (1.57") of accumulated precipitation. In Herefoss, during the entire year, the rain falls for 137.7 days and collects up to 744mm (29.29") of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in May in Herefoss is 16h and 51min.On the first day of the month, sunrise is at 05:29 and sunset at 21:17. On the last day of May, sunrise is at 04:29 and sunset at 22:19 CEST.
Sunshine
In May, the average sunshine is 9.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In May, the UV index of 4 transforms into the following advice:
Be vigilant - Suggestions to stave off sun damage are provided. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Herefoss, Norway
- Average high temperature in May: 12.9°C
The warmest month (with the highest average high temperature) is July (19.2°C).
The month with the lowest average high temperature is February (1.3°C).
- Average low temperature in May: 7.9°C
The month with the highest average low temperature is July (13.6°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in May
Herefoss, Norway
- Average pressure in May: 1014.5mbar
The month with the highest atmospheric pressure is April (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in May
Herefoss, Norway
- Average wind speed in May: 16.1km/h
The windiest month (with the highest average wind speed) is November (21.1km/h).
The calmest month (with the lowest average wind speed) is June (15.5km/h).
Average humidity in May
Herefoss, Norway
- Average humidity in May: 70%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are May and June (70%).
Average rainfall in May
Herefoss, Norway
- Average rainfall in May: 40mm
The wettest month (with the highest rainfall) is November (88mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in May
Herefoss, Norway
- Average rainfall days in May: 10.8 days
The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is February (8 days).
Average snowfall in May
Herefoss, Norway
- Average snowfall in May: 0mm
The month with the highest snowfall is January (130mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in May
Herefoss, Norway
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Herefoss, Norway
- Average daylight in May: 16h and 54min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).
- Average sunshine in May: 9h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in May
Herefoss, Norway
- Average sunshine days in May: 18.9 days
The month with the most sunshine days is April (19 days).
The month with the least sunshine days is November (10.8 days).
Average UV index in May
Herefoss, 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
Herefoss, Norway
- Average cloud cover in May: 39
The month with the most cloud cover is November (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in May
Herefoss, 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).
