May weather forecastTønsberg, Norway
May
Weather in May
May brings warmer temperatures and increased daylight hours to Tønsberg, painting the city with vibrant spring colours. The temperature soars to a comfortable average high of 13.3°C (55.9°F), marking the onset of the warm season. Rainfall becomes more frequent, with the city experiencing an average rainfall of 43mm (1.69") over 13.3 days in the month. The extended daylight hours offer enough warmth to encourage outdoor activities. Moreover, higher sea temperatures temper the once chilly coastal breezes, adding to the pleasantness of the weather.Temperature
Tønsberg's weather shows a minor temperature rise with the arrival of May, moving from a chilly 8.8°C (47.8°F) in April to a refreshing 13.3°C (55.9°F). An average temperature of 7.8°C (46°F) is recorded during the nights in May.Humidity
April and May, with an average relative humidity of 72%, are the least humid months.Rainfall
In Tønsberg, in May, during 13.3 rainfall days, 43mm (1.69") of precipitation is typically accumulated. In Tønsberg, during the entire year, the rain falls for 130.2 days and collects up to 549mm (21.61") of precipitation.Snowfall
In Tønsberg, snow does not fall in May through September.Sea temperature
In Tønsberg, in May, the average water temperature is 11.3°C (52.3°F).Note: Danger awaits those who swim in 11.3°C (52.3°F) without protection. Falling below 10°C (50°F) means intense cold shock and hyperventilation.
Daylight
The average length of the day in May in Tønsberg is 17h and 1min.On the first day of the month, sunrise is at 05:17 and sunset at 21:12. On the last day of May, in Tønsberg, Norway, sunrise is at 04:14 and sunset at 22:17 CEST.
Sunshine
The average sunshine in May is 9.8h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 4 in May transforms into the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Tønsberg, Norway
- Average high temperature in May: 13.3°C
The warmest month (with the highest average high temperature) is July (19.1°C).
The month with the lowest average high temperature is February (0.3°C).
- Average low temperature in May: 7.8°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is February (-3°C).
Average pressure in May
Tønsberg, Norway
- Average pressure in May: 1014.1mbar
The month with the highest atmospheric pressure is April (1014.4mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in May
Tønsberg, Norway
- Average wind speed in May: 14.7km/h
The windiest months (with the highest average wind speed) are November and December (19.7km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in May
Tønsberg, Norway
- Average humidity in May: 72%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in May
Tønsberg, Norway
- Average rainfall in May: 43mm
The wettest month (with the highest rainfall) is November (65mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in May
Tønsberg, Norway
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in May
Tønsberg, Norway
- Average snowfall in May: 0mm
The month with the highest snowfall is January (111mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in May
Tønsberg, Norway
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in May
Tønsberg, Norway
- Average sea temperature in May: 11.3°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).
Average daylight in May /
Average sunshine in May
Tønsberg, Norway
- Average daylight in May: 17h and 0min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).
- 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 24min).
Average sunshine days in May
Tønsberg, Norway
- Average sunshine days in May: 15.9 days
The month with the most sunshine days is April (19.9 days).
The months with the least sunshine days are June and July (13.4 days).
Average UV index in May
Tønsberg, 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, October, November and December (UV index 2).
Average cloud cover in May
Tønsberg, Norway
- Average cloud cover in May: 40
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are June, July and August (Cloud cover 36).
Average visibility in May
Tønsberg, Norway
- Average visibility in May: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
