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
Weather in May
Temperature
May brings an average high-temperature of a cool 10.7°C (51.3°F), nearly identical to the preceding month. May nights witness a mild cool down to an average low of 8°C (46.4°F).Humidity
In May, the average relative humidity in Risa is 78%.Rainfall
In Risa, in May, during 13.7 rainfall days, 43mm (1.69") of precipitation is typically accumulated. In Risa, during the entire year, the rain falls for 180.8 days and collects up to 668mm (26.3") of precipitation.Snowfall
May through October are months without snowfall in Risa.Daylight
In Risa, the average length of the day in May is 16h and 53min.On the first day of the month, sunrise is at 05:39 and sunset at 21:28. On the last day of May, in Risa, sunrise is at 04:38 and sunset at 22:31 CEST.
Sunshine
In Risa, the average sunshine in May is 9.3h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 4 in May leads to these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What is the usual temperature for Risa in May?
What is the average humidity in May in Risa?
How much does it rain in Risa in May?
When it does not snow in Risa?
Does it snow in Risa in May?
What is the average length of the day in May in Risa?
When is the sunrise / sunset in May in Risa?
How many hours of sunshine does Risa have in May?
When is the highest UV index in Risa?
What is the UV index intensity in May in Risa?
Average temperature in May
Risa, Norway
- Average high temperature in May: 10.7°C
The warmest month (with the highest average high temperature) is August (16.5°C).
The month with the lowest average high temperature is February (3.9°C).
- Average low temperature in May: 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 (1.9°C).
Average pressure in May
Risa, 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 (1006.8mbar).
Average wind speed in May
Risa, Norway
- Average wind speed in May: 20.7km/h
The windiest month (with the highest average wind speed) is January (30km/h).
The calmest month (with the lowest average wind speed) is July (19.7km/h).
Average humidity in May
Risa, Norway
- Average humidity in May: 78%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are April, October and November (77%).
Average rainfall in May
Risa, Norway
- Average rainfall in May: 43mm
The wettest months (with the highest rainfall) are October and December (73mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in May
Risa, Norway
- Average rainfall days in May: 13.7 days
The month with the highest number of rainy days is August (18.4 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in May
Risa, Norway
- Average snowfall in May: 0mm
The month with the highest snowfall is December (31mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Risa, Norway
- Average snowfall days in May: 0.2 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Risa, Norway
- Average daylight in May: 16h and 5min
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 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in May
Risa, Norway
- Average sunshine days in May: 15.7 days
The month with the most sunshine days is May (15.7 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in May
Risa, Norway
- Average UV index in May: 4
The months with the highest UV index are May, June, July, August and September (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
Risa, Norway
- Average cloud cover in May: 45
The month with the most cloud cover is December (Cloud cover 65).
The months with the least cloud cover are May and June (Cloud cover 45).
Average visibility in May
Risa, Norway
- Average visibility in May: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
Risa, Norway
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