May weather forecastRotnes, Norway
May
Weather in May
May, the last month of the spring in Rotnes, is a refreshing month, with an average temperature varying between 5.1°C (41.2°F) and 14.4°C (57.9°F).Temperature
The shift from April to May sees an increase in the average high-temperature, transitioning from a frosty 8.8°C (47.8°F) to a refreshing 14.4°C (57.9°F). During May, the nighttime temperature averages to a wintry 5.1°C (41.2°F).Humidity
With an average relative humidity of 70%, May is the least humid month in Rotnes.Rainfall
In Rotnes, during May, the rain falls for 16.8 days and regularly aggregates up to 68mm (2.68") of precipitation. Throughout the year, in Rotnes, there are 142.2 rainfall days, and 648mm (25.51") of precipitation is accumulated.Snowfall
Months with snowfall in Rotnes are January through May, October through December. May is the last month it regularly snows. During 1.9 snowfall days, in May, Rotnes aggregates 58mm (2.28") of snow. Throughout the year, there are 71.1 snowfall days, and 1230mm (48.43") of snow is accumulated.Daylight
In May, the average length of the day is 17h and 13min.On the first day of the month, sunrise is at 05:12 and sunset at 21:15. On the last day of May, sunrise is at 04:05 and sunset at 22:23 CEST.
Sunshine
In May, the average sunshine in Rotnes is 8.8h.UV index
May through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In May, the maximum UV index of 4 transforms into these recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Stay sun-safe with clothing that is both closely woven and worn loosely. 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
Rotnes, Norway
- Average high temperature in May: 14.4°C
The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in May: 5.1°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 (-8.2°C).
Average pressure in May
Rotnes, 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
Rotnes, Norway
- Average wind speed in May: 9.3km/h
The windiest month (with the highest average wind speed) is May (9.3km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in May
Rotnes, Norway
- Average humidity in May: 70%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is May (70%).
Average rainfall in May
Rotnes, Norway
- Average rainfall in May: 68mm
The wettest month (with the highest rainfall) is July (79mm).
The driest months (with the least rainfall) are January and April (27mm).
Average rainfall days in May
Rotnes, Norway
- Average rainfall days in May: 16.8 days
The month with the highest number of rainy days is July (22 days).
The months with the least rainy days are January and February (2.8 days).
Average snowfall in May
Rotnes, Norway
- Average snowfall in May: 58mm
The month with the highest snowfall is March (238mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Rotnes, Norway
- Average snowfall days in May: 1.9 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Rotnes, Norway
- Average daylight in May: 17h and 12min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in May: 8h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 6min).
Average sunshine days in May
Rotnes, Norway
- Average sunshine days in May: 11.5 days
The month with the most sunshine days is January (16.9 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in May
Rotnes, 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 and December (UV index 1).
Average cloud cover in May
Rotnes, Norway
- Average cloud cover in May: 48
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is June (Cloud cover 47).
Average visibility in May
Rotnes, Norway
- Average visibility in May: 9km
The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January, February and March (6km).
