May weather forecastPortør, Norway
May
Weather in May
May, the last month of the spring in Portør, is a mild month, with an average temperature fluctuating between 8.2°C (46.8°F) and 13.2°C (55.8°F).Temperature
Portør, Norway, in May experiences a slight uptick in the average high-temperature, adjusting from April's chilly 8.8°C (47.8°F) to a refreshing 13.2°C (55.8°F). During the nights of May, the average low-temperature holds at a frosty 8.2°C (46.8°F).Humidity
With an average relative humidity of 71%, May is the least humid month in Portør.Rainfall
In Portør, during May, the rain falls for 12.8 days and regularly aggregates up to 45mm (1.77") of precipitation. Throughout the year, there are 140.8 rainfall days, and 704mm (27.72") of precipitation is accumulated.Snowfall
May through October are months without snowfall in Portør.Daylight
In Portør, the average length of the day in May is 16h and 55min.On the first day of the month, sunrise is at 05:24 and sunset at 21:14. On the last day of May, in Portør, sunrise is at 04:22 and sunset at 22:17 CEST.
Sunshine
In Portør, the average sunshine in May is 9.8h.UV index
In May, the average daily maximum UV index in Portør is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 4 during May translates into the following directions:
Take necessary precautions - Defending against sun damage is advocated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Portør, Norway
- Average high temperature in May: 13.2°C
The warmest month (with the highest average high temperature) is July (18.9°C).
The month with the lowest average high temperature is February (1°C).
- Average low temperature in May: 8.2°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (-1.8°C).
Average pressure in May
Portør, Norway
- Average pressure in May: 1014.3mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in May
Portør, Norway
- Average wind speed in May: 16km/h
The windiest months (with the highest average wind speed) are November and December (21.8km/h).
The calmest month (with the lowest average wind speed) is June (15.5km/h).
Average humidity in May
Portør, Norway
- Average humidity in May: 71%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is May (71%).
Average rainfall in May
Portør, Norway
- Average rainfall in May: 45mm
The wettest month (with the highest rainfall) is November (83mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in May
Portør, Norway
- Average rainfall days in May: 12.8 days
The month with the highest number of rainy days is November (14.4 days).
The month with the least rainy days is January (7.9 days).
Average snowfall in May
Portør, Norway
- Average snowfall in May: 0mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Portør, Norway
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Portør, 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 48min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in May
Portør, Norway
- Average sunshine days in May: 16.8 days
The month with the most sunshine days is April (19.2 days).
The month with the least sunshine days is November (11.4 days).
Average UV index in May
Portør, Norway
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in May
Portør, Norway
- Average cloud cover in May: 39
The month with the most cloud cover is November (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in May
Portør, 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).





