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 sea temperature 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
May
Weather in May
Temperature
May brings a temperature increase, with average high-temperatures moving from April's subzero cold -0.7°C (30.7°F) to a wintry 4.3°C (39.7°F). In May, Rognan encounters an average low-temperature of -2.5°C (27.5°F) during the night.Humidity
In Rognan, the average relative humidity in May is 88%.Rainfall
In Rognan, in May, it is raining for 17.5 days, with typically 53mm (2.09") of accumulated precipitation. In Rognan, during the entire year, the rain falls for 188.6 days and collects up to 807mm (31.77") of precipitation.Snowfall
January through June, September through December are months with snowfall. In Rognan, during May, snow falls for 7.7 days and regularly aggregates up to 140mm (5.51") of snow. Throughout the year, in Rognan, there are 130.4 snowfall days, and 2323mm (91.46") of snow is accumulated.Sea temperature
In May, the average sea temperature in Rognan is 6.7°C (44.1°F).Note: Taking a dip in 6.7°C (44.1°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation.
Daylight
May has the longest days of the year, with an average of 20h and 6min of daylight.On the first day of the month, sunrise is at 04:01 and sunset at 21:49. On the last day of May, sunrise is at 01:10 and sunset at 00:41 CEST.
Sunshine
The average sunshine in May is 7.8h.UV index
In May, the average daily maximum UV index in Rognan is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 in May interprets into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is May cold in Rognan?
What is the average humidity in May in Rognan?
How much does it rain in Rognan in May?
How many days does it snow in May in Rognan?
What is the water temperature in May in Rognan?
When are the longest days in Rognan?
What is the average length of the day in May in Rognan?
When is the sunrise / sunset in May in Rognan?
How many hours of sunshine does Rognan have in May?
What is the UV index intensity in May in Rognan?
Average temperature in May
Rognan, Norway
- Average high temperature in May: 4.3°C
The warmest month (with the highest average high temperature) is July (14.4°C).
The month with the lowest average high temperature is January (-7.8°C).
- Average low temperature in May: -2.5°C
The month with the highest average low temperature is July (7.3°C).
The coldest month (with the lowest average low temperature) is January (-13.3°C).
Average pressure in May
Rognan, 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 (1002.9mbar).
Average wind speed in May
Rognan, Norway
- Average wind speed in May: 10.8km/h
The windiest month (with the highest average wind speed) is January (15km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in May
Rognan, Norway
- Average humidity in May: 88%
The month with the highest relative humidity is April (93%).
The month with the lowest relative humidity is July (77%).
Average rainfall in May
Rognan, Norway
- Average rainfall in May: 53mm
The wettest month (with the highest rainfall) is March (99mm).
The driest month (with the least rainfall) is August (50mm).
Average rainfall days in May
Rognan, Norway
- Average rainfall days in May: 17.5 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is January (10.4 days).
Average snowfall in May
Rognan, Norway
- Average snowfall in May: 140mm
The month with the highest snowfall is March (472mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in May
Rognan, Norway
- Average snowfall days in May: 7.7 days
The month with the highest number of snowfall days is March (22.9 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in May
Rognan, Norway
- Average sea temperature in May: 6.7°C
The best month for swimming (with the highest average sea temperature) is July (13.5°C).
The coldest month (with the lowest average sea temperature) is March (3.3°C).
Average daylight in May /
Average sunshine in May
Rognan, Norway
- Average daylight in May: 20h and 1min
The month with the longest days is May (Average daylight: 20h and 6min).
The month with the shortest days is June (Average daylight: 0h and 0min).
- Average sunshine in May: 7h and 5min
The month with the most sunshine is August (Average sunshine: 8h and 30min).
The month with the least sunshine is June (Average sunshine: 1h and 0min).
Average sunshine days in May
Rognan, Norway
- Average sunshine days in May: 7.5 days
The month with the most sunshine days is August (9.3 days).
The month with the least sunshine days is March (5.5 days).
Average UV index in May
Rognan, Norway
- Average UV index in May: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, March, April, September, October, November and December (UV index 1).
Average cloud cover in May
Rognan, Norway
- Average cloud cover in May: 64
The month with the most cloud cover is March (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 54).
Average visibility in May
Rognan, Norway
- Average visibility in May: 7km
The months with the highest visibility are June, July and August (9km).
The month with the lowest visibility is April (6km).
