May weather forecastOna, Norway
May
Weather in May
The last month of the spring, May, is also a frosty month in Ona, Norway, with temperature in the range of an average high of 9.1°C (48.4°F) and an average low of 6.8°C (44.2°F).Temperature
Ona sees the arrival of May with an average high-temperature of a still frosty 9.1°C (48.4°F), indicating a subtle variation from April. Ona records a slight downturn to an average a still chilly 6.8°C (44.2°F) during the nights of May.Humidity
In Ona, the average relative humidity in May is 77%.Rainfall
In May, the rain falls for 17.5 days. Throughout May, 59mm (2.32") of precipitation is accumulated. In Ona, during the entire year, the rain falls for 219.8 days and collects up to 1124mm (44.25") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Ona. During 2.2 snowfall days, in May, Ona aggregates 48mm (1.89") of snow. Throughout the year, there are 36.2 snowfall days, and 498mm (19.61") of snow is accumulated.Daylight
In May, the average length of the day in Ona is 18h and 1min.On the first day of May in Ona, sunrise is at 05:12 and sunset at 21:49. On the last day of the month, sunrise is at 03:49 and sunset at 23:13 CEST.
Sunshine
In May, the average sunshine is 9.1h.UV index
In Ona, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 3 in May interprets into the following advice:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Ona, Norway
- Average high temperature in May: 9.1°C
The warmest month (with the highest average high temperature) is August (15°C).
The month with the lowest average high temperature is February (4.2°C).
- Average low temperature in May: 6.8°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).
Average pressure in May
Ona, Norway
- Average pressure in May: 1014.4mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1002.5mbar).
Average wind speed in May
Ona, Norway
- Average wind speed in May: 18.2km/h
The windiest month (with the highest average wind speed) is December (28.7km/h).
The calmest month (with the lowest average wind speed) is August (16.9km/h).
Average humidity in May
Ona, Norway
- Average humidity in May: 77%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is November (70%).
Average rainfall in May
Ona, Norway
- Average rainfall in May: 59mm
The wettest month (with the highest rainfall) is December (143mm).
The driest month (with the least rainfall) is June (53mm).
Average rainfall days in May
Ona, Norway
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is August (21 days).
The month with the least rainy days is January (15.8 days).
Average snowfall in May
Ona, Norway
- Average snowfall in May: 48mm
The month with the highest snowfall is February (127mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Ona, Norway
- Average snowfall days in May: 2.2 days
The month with the highest number of snowfall days is February (8.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Ona, Norway
- Average daylight in May: 18h and 0min
The month with the longest days is June (Average daylight: 20h and 0min).
The month with the shortest days is December (Average daylight: 5h and 0min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in May
Ona, Norway
- Average sunshine days in May: 10.5 days
The months with the most sunshine days are May and November (10.5 days).
The month with the least sunshine days is December (6.1 days).
Average UV index in May
Ona, Norway
- Average UV index in May: 3
The months with the highest UV index are 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
Ona, Norway
- Average cloud cover in May: 52
The month with the most cloud cover is March (Cloud cover 66).
The month with the least cloud cover is May (Cloud cover 52).
Average visibility in May
Ona, Norway
- Average visibility in May: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).





