May weather forecastRiska, Norway
May
Weather in May
May, the last month of the spring in Riska, is a cool month, with an average temperature ranging between max 10.5°C (50.9°F) and min 7.8°C (46°F).Temperature
May's arrival registers an average high-temperature of a fresh 10.5°C (50.9°F), closely aligning with the temperature of the previous month. Riska's nights in May maintain a consistent average of 7.8°C (46°F), demonstrating a minimal differential from its daytime temperature.Humidity
In May, the average relative humidity is 77%.Rainfall
In Riska, in May, it is raining for 14.8 days, with typically 52mm (2.05") of accumulated precipitation. Throughout the year, there are 210.4 rainfall days, and 1002mm (39.45") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 16h and 56min.On the first day of the month, sunrise is at 05:37 and sunset at 21:29. On the last day of May, sunrise is at 04:36 and sunset at 22:32 CEST.
Sunshine
In Riska, the average sunshine in May is 9.5h.UV index
The months with the highest UV index in Riska 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 exposure to the Sun's UV radiation for the ordinary person.Note: In May, the UV index of 4 transforms into the following advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Riska, Norway
- Average high temperature in May: 10.5°C
The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (3.7°C).
- Average low temperature in May: 7.8°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).
Average pressure in May
Riska, 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 (1006.7mbar).
Average wind speed in May
Riska, Norway
- Average wind speed in May: 18.4km/h
The windiest month (with the highest average wind speed) is January (27.4km/h).
The calmest months (with the lowest average wind speed) are June and July (17.2km/h).
Average humidity in May
Riska, Norway
- Average humidity in May: 77%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are October and November (76%).
Average rainfall in May
Riska, Norway
- Average rainfall in May: 52mm
The wettest month (with the highest rainfall) is December (130mm).
The driest month (with the least rainfall) is June (43mm).
Average rainfall days in May
Riska, Norway
- Average rainfall days in May: 14.8 days
The month with the highest number of rainy days is December (21.5 days).
The month with the least rainy days is June (13.3 days).
Average snowfall in May
Riska, Norway
- Average snowfall in May: 0mm
The month with the highest snowfall is March (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Riska, Norway
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Riska, Norway
- Average daylight in May: 16h and 54min
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 30min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in May
Riska, Norway
- Average sunshine days in May: 14.1 days
The month with the most sunshine days is June (14.4 days).
The month with the least sunshine days is December (5.8 days).
Average UV index in May
Riska, 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, November and December (UV index 2).
Average cloud cover in May
Riska, Norway
- Average cloud cover in May: 44
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in May
Riska, 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).





