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
Weather in May
Temperature
Rosendal's transition into May is noticed by a slight rise in the average high-temperature, advancing from an icy 1.5°C (34.7°F) in April to a still wintry 5.7°C (42.3°F). In Rosendal, an average nighttime temperature of -0.5°C (31.1°F) is expected during May.Humidity
In Rosendal, the average relative humidity in May is 87%.Rainfall
In Rosendal, in May, it is raining for 18.9 days, with typically 96mm (3.78") of accumulated precipitation. In Rosendal, during the entire year, the rain falls for 198.1 days and collects up to 1530mm (60.24") of precipitation.Snowfall
January through May, October through December are months with snowfall in Rosendal. May is the last month it regularly snows. During 4.3 snowfall days, in May, Rosendal aggregates 78mm (3.07") of snow. In Rosendal, during the entire year, snow falls for 96.6 days and aggregates up to 2624mm (103.31") of snow.Sea temperature
In Rosendal, in May, the average water temperature is 9.3°C (48.7°F).Note: With the appropriate swimsuit, one can swim in 9.3°C (48.7°F) even if temperatures dip below 10°C (50°F); otherwise, be ready for cold shock and breath issues. A fleeting swim around 13°C (55.4°F) is distressing.
Daylight
In May, the average length of the day is 17h and 11min.On the first day of the month, sunrise is at 05:31 and sunset at 21:34. On the last day of May, sunrise is at 04:25 and sunset at 22:41 CEST.
Sunshine
The average sunshine in May in Rosendal is 6.6h.UV index
The average daily maximum UV index in May in Rosendal is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 2 during May translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
Is May cold in Rosendal?
What is the average humidity in May in Rosendal?
How many days does it rain in May in Rosendal?
What is the last month it snows in Rosendal?
What is the water temperature in May in Rosendal?
How many hours of daylight does Rosendal have in May?
What time are sunrise and sunset in May in Rosendal?
How many hours of sunshine does Rosendal have in May?
What is the UV index intensity in May in Rosendal?
Average temperature in May
Rosendal, Norway
- Average high temperature in May: 5.7°C
The warmest month (with the highest average high temperature) is July (12.6°C).
The month with the lowest average high temperature is January (-4.5°C).
- Average low temperature in May: -0.5°C
The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).
Average pressure in May
Rosendal, Norway
- Average pressure in May: 1014.8mbar
The months with the highest atmospheric pressure are April and May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).
Average wind speed in May
Rosendal, Norway
- Average wind speed in May: 9.3km/h
The windiest month (with the highest average wind speed) is January (13.3km/h).
The calmest month (with the lowest average wind speed) is July (9.1km/h).
Average humidity in May
Rosendal, Norway
- Average humidity in May: 87%
The month with the highest relative humidity is December (94%).
The month with the lowest relative humidity is June (81%).
Average rainfall in May
Rosendal, Norway
- Average rainfall in May: 96mm
The wettest month (with the highest rainfall) is December (206mm).
The driest month (with the least rainfall) is June (87mm).
Average rainfall days in May
Rosendal, Norway
- Average rainfall days in May: 18.9 days
The month with the highest number of rainy days is August (23.2 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in May
Rosendal, Norway
- Average snowfall in May: 78mm
The month with the highest snowfall is January (581mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Rosendal, Norway
- Average snowfall days in May: 4.3 days
The month with the highest number of snowfall days is December (18.3 days).
The months with the least snowfall days are July, August and September (0 days).
Average sea temperature in May
Rosendal, Norway
- Average sea temperature in May: 9.3°C
The best month for swimming (with the highest average sea temperature) is August (16.3°C).
The coldest month (with the lowest average sea temperature) is March (4.8°C).
Average daylight in May /
Average sunshine in May
Rosendal, Norway
- Average daylight in May: 17h and 1min
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: 6h and 4min
The month with the most sunshine is June (Average sunshine: 7h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in May
Rosendal, Norway
- Average sunshine days in May: 8.1 days
The month with the most sunshine days is October (10.4 days).
The month with the least sunshine days is August (5.7 days).
Average UV index in May
Rosendal, Norway
- Average UV index in May: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in May
Rosendal, Norway
- Average cloud cover in May: 64
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is June (Cloud cover 61).
Average visibility in May
Rosendal, Norway
- Average visibility in May: 7km
The months with the highest visibility are June, July, August, September and October (8km).
The months with the lowest visibility are February, March and December (6km).
Rosendal, Norway
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