May weather forecastNorrmalm, Sweden
May
Weather in May
May, the last month of the spring in Norrmalm, is a mild month, with an average temperature fluctuating between 14.6°C (58.3°F) and 6.4°C (43.5°F).Temperature
Norrmalm's transition into May brings a rise in the average high-temperature, moving from a frosty 9.5°C (49.1°F) in April to a refreshing 14.6°C (58.3°F). During May, the average low-temperature is a chilly 6.4°C (43.5°F).Humidity
The least humid month in Norrmalm is May, with an average relative humidity of 71%.Rainfall
In May, the rain falls for 13.3 days. Throughout May, 29mm (1.14") of precipitation is accumulated. Throughout the year, there are 136.6 rainfall days, and 352mm (13.86") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Norrmalm. During 0.7 snowfall days, in May, Norrmalm aggregates 7mm (0.28") of snow. Throughout the year, there are 51.5 snowfall days, and 358mm (14.09") of snow is accumulated.Daylight
The average length of the day in May is 17h and 2min.On the first day of the month, sunrise is at 04:47 and sunset at 20:42. On the last day of May, sunrise is at 03:43 and sunset at 21:47 CEST.
Sunshine
The average sunshine in May is 9.3h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 in May translates into this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Norrmalm, Sweden
- Average high temperature in May: 14.6°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in May: 6.4°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in May
Norrmalm, Sweden
- Average pressure in May: 1014.9mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in May
Norrmalm, Sweden
- Average wind speed in May: 13.6km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is August (12.5km/h).
Average humidity in May
Norrmalm, Sweden
- Average humidity in May: 71%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is May (71%).
Average rainfall in May
Norrmalm, Sweden
- Average rainfall in May: 29mm
The wettest month (with the highest rainfall) is July (43mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in May
Norrmalm, Sweden
- Average rainfall days in May: 13.3 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (5 days).
Average snowfall in May
Norrmalm, Sweden
- Average snowfall in May: 7mm
The month with the highest snowfall is February (99mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Norrmalm, Sweden
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is February (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Norrmalm, Sweden
- 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 12min).
- Average sunshine in May: 9h and 18min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in May
Norrmalm, Sweden
- Average sunshine days in May: 15.5 days
The months with the most sunshine days are April and May (15.5 days).
The month with the least sunshine days is November (12 days).
Average UV index in May
Norrmalm, Sweden
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in May
Norrmalm, Sweden
- Average cloud cover in May: 42
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in May
Norrmalm, Sweden
- Average visibility in May: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).





