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 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
May
Weather in May
Temperature
May's arrival brings a temperature shift, moving from a frosty 7.7°C (45.9°F) in April to a mild 14.2°C (57.6°F). Nighttime temperature experiences an average drop to a cold 4.2°C (39.6°F) in May.Humidity
The months with the lowest humidity are May and June, with an average relative humidity of 68%.Rainfall
In Alfta, Sweden, in May, during 14.4 rainfall days, 43mm (1.69") of precipitation is typically accumulated. In Alfta, Sweden, during the entire year, the rain falls for 133.4 days and collects up to 440mm (17.32") of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Alfta. During 1.7 snowfall days, in May, Alfta aggregates 40mm (1.57") of snow. Throughout the year, there are 78.6 snowfall days, and 947mm (37.28") of snow is accumulated.Daylight
In May, the average length of the day is 17h and 33min.On the first day of May, sunrise is at 04:44 and sunset at 21:01. On the last day of the month, sunrise is at 03:30 and sunset at 22:16 CEST.
Sunshine
In May, the average sunshine is 9h.UV index
The months with the highest UV index are May through August, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during May leads to these advisories:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the least humid month?
What is the average humidity in May in Alfta?
How many days does it rain in May?
What is the last month it snows?
What is the average length of the day in May?
When is the sunrise / sunset in May?
How long on average sun shines in May?
What are the months with the highest UV index?
What is the UV index reading in May?
Average temperature in May
Alfta, Sweden
- Average high temperature in May: 14.2°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (-3.5°C).
- Average low temperature in May: 4.2°C
The month with the highest average low temperature is July (10.7°C).
The coldest months (with the lowest average low temperature) are January and February (-8.1°C).
Average pressure in May
Alfta, Sweden
- Average pressure in May: 1014.4mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1006.6mbar).
Average wind speed in May
Alfta, Sweden
- Average wind speed in May: 10.1km/h
The windiest month (with the highest average wind speed) is December (11km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in May
Alfta, Sweden
- Average humidity in May: 68%
The month with the highest relative humidity is February (93%).
The months with the lowest relative humidity are May and June (68%).
Average rainfall in May
Alfta, Sweden
- Average rainfall in May: 43mm
The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in May
Alfta, Sweden
- Average rainfall days in May: 14.4 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in May
Alfta, Sweden
- Average snowfall in May: 40mm
The month with the highest snowfall is December (187mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Alfta, Sweden
- Average snowfall days in May: 1.7 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Alfta, Sweden
- Average daylight in May: 17h and 4min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in May
Alfta, Sweden
- Average sunshine days in May: 14.7 days
The month with the most sunshine days is October (14.9 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in May
Alfta, Sweden
- Average UV index in May: 4
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in May
Alfta, Sweden
- Average cloud cover in May: 49
The month with the most cloud cover is February (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 46).
Average visibility in May
Alfta, Sweden
- Average visibility in May: 9km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February and March (6km).
