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
Weather in May
Temperature
As April transitions into May, Lerum notices a gentle rise in the average high-temperature, transitioning from a cool 10.7°C (51.3°F) to a mild 15.4°C (59.7°F). May brings an average low-temperature of 6.8°C (44.2°F) to Lerum.Humidity
The months with the lowest humidity are April and May, with an average relative humidity of 73%.Rainfall
In May, in Lerum, the rain falls for 15.3 days. Throughout May, 35mm (1.38") of precipitation is accumulated. In Lerum, during the entire year, the rain falls for 172.1 days and collects up to 500mm (19.69") of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Lerum, Sweden. During 0.3 snowfall days, in May, Lerum aggregates 2mm (0.08") of snow. Throughout the year, there are 34.3 snowfall days, and 267mm (10.51") of snow is accumulated.Daylight
The average length of the day in May in Lerum is 16h and 41min.On the first day of May, sunrise is at 05:17 and sunset at 20:58. On the last day of the month, sunrise is at 04:20 and sunset at 21:57 CEST.
Sunshine
In May, the average sunshine in Lerum is 9.1h.UV index
The months with the highest UV index are May through July, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, an average UV index of 5 transforms into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What is the average May temperature in Lerum?
What are the least humid months in Lerum?
What is the average humidity in May in Lerum?
How many days does it rain in May in Lerum?
What is the last month it snows in Lerum?
What is the average length of the day in May in Lerum?
When are sunrise and sunset in May in Lerum?
How long on average sun shines in May in Lerum?
When is the highest UV index in Lerum?
What is the UV index reading in May in Lerum?
Average temperature in May
Lerum, Sweden
- Average high temperature in May: 15.4°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in May: 6.8°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is February (-2.7°C).
Average pressure in May
Lerum, Sweden
- Average pressure in May: 1014.6mbar
The month with the highest atmospheric pressure is April (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.8mbar).
Average wind speed in May
Lerum, Sweden
- Average wind speed in May: 13km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (12.4km/h).
Average humidity in May
Lerum, Sweden
- Average humidity in May: 73%
The months with the highest relative humidity are January, February and December (89%).
The months with the lowest relative humidity are April and May (73%).
Average rainfall in May
Lerum, Sweden
- Average rainfall in May: 35mm
The wettest month (with the highest rainfall) is August (57mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in May
Lerum, Sweden
- Average rainfall days in May: 15.3 days
The month with the highest number of rainy days is August (19.6 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in May
Lerum, Sweden
- Average snowfall in May: 2mm
The month with the highest snowfall is January (77mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Lerum, Sweden
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Lerum, Sweden
- Average daylight in May: 16h and 4min
The month with the longest days is June (Average daylight: 18h and 0min).
The month with the shortest days is December (Average daylight: 6h and 42min).
- Average sunshine in May: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in May
Lerum, Sweden
- Average sunshine days in May: 13.5 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is August (9.2 days).
Average UV index in May
Lerum, Sweden
- Average UV index in May: 5
The months with the highest UV index are May, June and July (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in May
Lerum, Sweden
- Average cloud cover in May: 42
The months with the most cloud cover are February, November and December (Cloud cover 66).
The month with the least cloud cover is June (Cloud cover 41).
Average visibility in May
Lerum, Sweden
- Average visibility in May: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).
Lerum, Sweden
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