Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
An average high-temperature of a still frosty 9.8°C (49.6°F) marks May, exhibiting a close resemblance to the conditions in April. May introduces a small decrease to a nighttime average of 7.4°C (45.3°F) in Herdla.Humidity
In Herdla, the average relative humidity in May is 77%.Rainfall
In Herdla, during May, the rain falls for 16.3 days and regularly aggregates up to 66mm (2.6") of precipitation. In Herdla, during the entire year, the rain falls for 229.7 days and collects up to 1406mm (55.35") of precipitation.Snowfall
January through May, October through December are months with snowfall in Herdla, Norway. May is the last month it regularly snows. During 0.4 snowfall days, in May, Herdla aggregates 3mm (0.12") of snow. Throughout the year, there are 23.7 snowfall days, and 186mm (7.32") of snow is accumulated.Daylight
The average length of the day in May in Herdla is 17h and 20min.On the first day of May in Herdla, Norway, sunrise is at 05:32 and sunset at 21:41. On the last day of the month, sunrise is at 04:23 and sunset at 22:52 CEST.
Sunshine
In May, the average sunshine is 9.5h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 4 in May leads to these recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are May temperatures in Herdla?
What is the average humidity in May in Herdla?
How much does it rain in Herdla in May?
What is the last month it snows in Herdla?
What is the average length of the day in May in Herdla?
What time are sunrise and sunset in May in Herdla?
How many hours of sunshine does Herdla have in May?
What is the month with the highest UV index in Herdla?
How high is the UV index in May in Herdla?
Average temperature in May
Herdla, Norway
- Average high temperature in May: 9.8°C
The warmest month (with the highest average high temperature) is August (15.7°C).
The month with the lowest average high temperature is February (4.3°C).
- Average low temperature in May: 7.4°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in May
Herdla, Norway
- Average pressure in May: 1014.8mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1005mbar).
Average wind speed in May
Herdla, Norway
- Average wind speed in May: 20.4km/h
The windiest month (with the highest average wind speed) is January (29.5km/h).
The calmest month (with the lowest average wind speed) is July (18.5km/h).
Average humidity in May
Herdla, Norway
- Average humidity in May: 77%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is November (73%).
Average rainfall in May
Herdla, Norway
- Average rainfall in May: 66mm
The wettest month (with the highest rainfall) is October (178mm).
The driest month (with the least rainfall) is June (56mm).
Average rainfall days in May
Herdla, Norway
- Average rainfall days in May: 16.3 days
The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is June (14.7 days).
Average snowfall in May
Herdla, Norway
- Average snowfall in May: 3mm
The month with the highest snowfall is February (51mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Herdla, Norway
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Herdla, Norway
- Average daylight in May: 17h and 2min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in May: 9h and 3min
The month with the most sunshine is June (Average sunshine: 9h and 36min).
The months with the least sunshine are January and December (Average sunshine: 2h and 12min).
Average sunshine days in May
Herdla, Norway
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is June (13.5 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in May
Herdla, 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, October, November and December (UV index 2).
Average cloud cover in May
Herdla, Norway
- Average cloud cover in May: 47
The months with the most cloud cover are January and December (Cloud cover 68).
The month with the least cloud cover is May (Cloud cover 47).
Average visibility in May
Herdla, Norway
- Average visibility in May: 10km
The months with the highest visibility are May, June, July and August (10km).
The months with the lowest visibility are January, February, March, April, September, October, November and December (9km).
