May weather forecastCopenhagen, Denmark

May
Weather in May
May in Copenhagen is characterized by a significant increase in temperature, allowing people to shed their winter attire. The days are noticeably warmer, reaching a peak of 15.5°C (59.9°F), making the month a popular time for outdoor pursuits and cultural events. The city becomes a playground for locals and tourists alike who bask in the extended sunshine hours. The increase in temperature influences the sea as well, making it a good time for water-based activities.Temperature
The shift from April to May in Copenhagen, Denmark, brings an increase in the average high-temperature, moving from a cool 10.2°C (50.4°F) to a moderate 15.5°C (59.9°F). Copenhagen's average low-temperature in the month of May is recorded at a frosty 7°C (44.6°F).Humidity
The months with the lowest humidity in Copenhagen, Denmark, are May and June, with an average relative humidity of 72%.Rainfall
In Copenhagen, in May, it is raining for 10.8 days, with typically 41mm (1.61") of accumulated precipitation. In Copenhagen, during the entire year, the rain falls for 157.4 days and collects up to 523mm (20.59") of precipitation.Snowfall
May through September are months without snowfall in Copenhagen.Sea temperature
In May, the average sea temperature in Copenhagen, Denmark, is 10.1°C (50.2°F).Note: Swimming at temperatures less than 10°C (50°F) in 10.1°C (50.2°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. A quick swim at 13°C (55.4°F) without adequate warmth can be discomforting.
Daylight
In May, the average length of the day is 16h and 17min.On the first day of May, sunrise is at 05:25 and sunset at 20:48. On the last day of the month, sunrise is at 04:34 and sunset at 21:40 CEST.
Sunshine
With an average of 8.5h of sunshine, May has the most sunshine of the year.UV index
The average daily maximum UV index in May in Copenhagen is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 5 in May transforms into the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Copenhagen, Denmark
- Average high temperature in May: 15.5°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in May: 7°C
The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is February (-1.9°C).
Average humidity in May
Copenhagen, Denmark
- Average humidity in May: 72%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are May and June (72%).
Average rainfall in May
Copenhagen, Denmark
- Average rainfall in May: 40.5mm
The wettest month (with the highest rainfall) is September (58.9mm).
The driest month (with the least rainfall) is February (22.7mm).
Average rainfall days in May
Copenhagen, Denmark
- Average rainfall days in May: 10.8 days
The months with the highest number of rainy days are November and December (15.4 days).
The month with the least rainy days is May (10.8 days).
Average snowfall days in May
Copenhagen, Denmark
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in May
Copenhagen, Denmark
- Average sea temperature in May: 10.1°C
The best month for swimming (with the highest average sea temperature) is August (17.8°C).
The coldest month (with the lowest average sea temperature) is February (2.3°C).
Average daylight in May /
Average sunshine in May
Copenhagen, 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 6min).
- Average sunshine in May: 8h and 30min
The month with the most sunshine is May (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).
Average UV index in May
Copenhagen, Denmark
- Average UV index in May: 5
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 0).





