May weather forecastRoskilde, Denmark
May
Weather in May
In May, the temperate weather of Roskilde leans notably towards the warmer side. Characterized by dropping humidity levels and a dwindling percentage of cloud coverage, May is often considered a harbinger of summer. Rainfall becomes a more frequent occurrence, lending a freshened appearance to the cityscape. The longer sunshine hours partially overpower the resulting wet conditions, fostering the harmony of sunlight dancing upon wet surfaces. Adventurous tourists might find the sea temperature tolerably inviting, especially by late May.Temperature
The start of May is characterized by a subtle increase in the average high-temperature, transitioning from a fresh 10.5°C (50.9°F) in April to a refreshing 14.9°C (58.8°F). An average low-temperature of 8°C (46.4°F) is observed in Roskilde during the May nights.Humidity
April through July, with an average relative humidity of 77%, are the least humid months.Rainfall
In Roskilde, during May, the rain falls for 16.2 days and regularly aggregates up to 33mm (1.3") of precipitation. Throughout the year, in Roskilde, Denmark, there are 166.6 rainfall days, and 341mm (13.43") of precipitation is accumulated.Snowfall
In Roskilde, snow does not fall in May through October.Sea temperature
In May, the average sea temperature is 11.1°C (52°F).Note: Caution: 11.1°C (52°F) temperatures below 10°C (50°F) during swimming can result in intense cold shock and quickened breathing.
Daylight
In May, the average length of the day in Roskilde is 16h and 17min.On the first day of May in Roskilde, sunrise is at 05:27 and sunset at 20:49. On the last day of the month, sunrise is at 04:36 and sunset at 21:42 CEST.
Sunshine
The average sunshine in May in Roskilde is 8.4h.UV index
In May, the average daily maximum UV index in Roskilde is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Roskilde, Denmark
- Average high temperature in May: 14.9°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The months with the lowest average high temperature are January and February (2.8°C).
- Average low temperature in May: 8°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is February (-0.6°C).
Average pressure in May
Roskilde, Denmark
- Average pressure in May: 1015.5mbar
The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011.2mbar).
Average wind speed in May
Roskilde, Denmark
- Average wind speed in May: 14.1km/h
The windiest month (with the highest average wind speed) is December (19.1km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in May
Roskilde, Denmark
- Average humidity in May: 77%
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April, May, June and July (77%).
Average rainfall in May
Roskilde, Denmark
- Average rainfall in May: 33mm
The wettest month (with the highest rainfall) is August (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in May
Roskilde, Denmark
- Average rainfall days in May: 16.2 days
The months with the highest number of rainy days are July and August (16.9 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in May
Roskilde, Denmark
- Average snowfall in May: 0mm
The month with the highest snowfall is February (35mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Roskilde, Denmark
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in May
Roskilde, Denmark
- Average sea temperature in May: 11.1°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 February (2.1°C).
Average daylight in May /
Average sunshine in May
Roskilde, Denmark
- Average daylight in May: 16h and 18min
The month with the longest days is June (Average daylight: 17h and 24min).
The month with the shortest days is December (Average daylight: 7h and 12min).
- Average sunshine in May: 8h and 24min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days in May
Roskilde, Denmark
- Average sunshine days in May: 12.1 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in May
Roskilde, Denmark
- Average UV index in May: 4
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Roskilde, Denmark
- Average cloud cover in May: 45
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in May
Roskilde, Denmark
- Average visibility in May: 9km
The months with the highest visibility are April, June, August and September (10km).
The months with the lowest visibility are January, February, March, May, July, October, November and December (9km).
