May weather forecastRälla, Sweden
May
Weather in May
The last month of the spring, May, is a cool month in Rälla, Sweden, with an average temperature fluctuating between 12.4°C (54.3°F) and 7.8°C (46°F).Temperature
The commencement of May sees a minor shift in the average high-temperature, moving from a chilly 8.3°C (46.9°F) in April to a fresh 12.4°C (54.3°F). The temperature in Rälla during May nights demonstrates a small drop from the daytime highs, settling to an average of 7.8°C (46°F).Humidity
The months with the lowest humidity are April through June, with an average relative humidity of 74%.Rainfall
In May, the rain falls for 11.9 days. Throughout May, 28mm (1.1") of precipitation is accumulated. In Rälla, Sweden, during the entire year, the rain falls for 153.3 days and collects up to 392mm (15.43") of precipitation.Snowfall
Months with snowfall in Rälla are January through May, November and December. May is the last month it regularly snows in Rälla. During 0.4 snowfall days, in May, Rälla aggregates 2mm (0.08") of snow. Throughout the year, in Rälla, there are 42.7 snowfall days, and 254mm (10") of snow is accumulated.Daylight
In Rälla, the average length of the day in May is 16h and 29min.On the first day of May, sunrise is at 05:04 and sunset at 20:36. On the last day of the month, sunrise is at 04:10 and sunset at 21:32 CEST.
Sunshine
In May, the average sunshine in Rälla is 9.7h.UV index
In May, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 4 in May translates into this advice:
Make use of precautions - It is urged to ward off sun damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Rälla, Sweden
- Average high temperature in May: 12.4°C
The warmest month (with the highest average high temperature) is August (19.9°C).
The months with the lowest average high temperature are January and February (1.8°C).
- Average low temperature in May: 7.8°C
The month with the highest average low temperature is August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).
Average pressure in May
Rälla, Sweden
- Average pressure in May: 1015.3mbar
The months with the highest atmospheric pressure are April and May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1010.1mbar).
Average wind speed in May
Rälla, Sweden
- Average wind speed in May: 16.1km/h
The windiest month (with the highest average wind speed) is December (22.8km/h).
The calmest month (with the lowest average wind speed) is May (16.1km/h).
Average humidity in May
Rälla, Sweden
- Average humidity in May: 74%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, May and June (74%).
Average rainfall in May
Rälla, Sweden
- Average rainfall in May: 28mm
The wettest month (with the highest rainfall) is November (47mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in May
Rälla, Sweden
- Average rainfall days in May: 11.9 days
The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in May
Rälla, Sweden
- Average snowfall in May: 2mm
The month with the highest snowfall is February (72mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in May
Rälla, Sweden
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Rälla, Sweden
- Average daylight in May: 16h and 30min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in May: 9h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 18min).
Average sunshine days in May
Rälla, Sweden
- Average sunshine days in May: 16.4 days
The month with the most sunshine days is May (16.4 days).
The month with the least sunshine days is November (8.7 days).
Average UV index in May
Rälla, Sweden
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in May
Rälla, Sweden
- Average cloud cover in May: 36
The months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Rälla, Sweden
- 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).





