May weather forecastHeggedal, Norway
May
Weather in May
May, the last month of the spring in Heggedal, is a moderate month, with an average temperature fluctuating between 5.5°C (41.9°F) and 14.4°C (57.9°F).Temperature
May's arrival sees a rise in the average high-temperature, jumping from April's chilly 9.1°C (48.4°F) to a mild 14.4°C (57.9°F). Heggedal reports an average low-temperature of 5.5°C (41.9°F) during the nights of May.Humidity
With an average relative humidity of 71%, May is the least humid month.Rainfall
In May, in Heggedal, the rain falls for 14.4 days. Throughout May, 36mm (1.42") of precipitation is accumulated. Throughout the year, in Heggedal, there are 127.7 rainfall days, and 307mm (12.09") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Heggedal. During 0.4 snowfall days, in May, Heggedal aggregates 2mm (0.08") of snow. Throughout the year, in Heggedal, there are 42.9 snowfall days, and 271mm (10.67") of snow is accumulated.Daylight
In Heggedal, the average length of the day in May is 17h and 8min.On the first day of May, sunrise is at 05:15 and sunset at 21:15. On the last day of the month, sunrise is at 04:09 and sunset at 22:22 CEST.
Sunshine
In May, the average sunshine in Heggedal, Norway, is 9.1h.UV index
May through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In May, the maximum UV index of 4 transforms into these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays. 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
Heggedal, Norway
- Average high temperature in May: 14.4°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-2.4°C).
- Average low temperature in May: 5.5°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-7.8°C).
Average pressure in May
Heggedal, Norway
- Average pressure in May: 1014.2mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in May
Heggedal, Norway
- Average wind speed in May: 9.6km/h
The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in May
Heggedal, Norway
- Average humidity in May: 71%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in May
Heggedal, Norway
- Average rainfall in May: 36mm
The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in May
Heggedal, Norway
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in May
Heggedal, Norway
- Average snowfall in May: 2mm
The month with the highest snowfall is March (73mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Heggedal, Norway
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Heggedal, Norway
- Average daylight in May: 17h and 6min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in May: 9h and 6min
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
Heggedal, Norway
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is December (18.3 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in May
Heggedal, 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 and February (UV index 1).
Average cloud cover in May
Heggedal, Norway
- Average cloud cover in May: 47
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is June (Cloud cover 45).
Average visibility in May
Heggedal, Norway
- Average visibility in May: 9km
The months with the highest visibility are April, May and June (9km).
The month with the lowest visibility is February (6km).
