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
In May, Heimiswil experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 13.4°C (56.1°F) in April to a comfortable 16.3°C (61.3°F). In Heimiswil, the average low-temperature during the month of May is a wintry 5.4°C (41.7°F).Humidity
The average relative humidity in May in Heimiswil is 80%.Rainfall
In Heimiswil, in May, during 20.1 rainfall days, 96mm (3.78") of precipitation is typically accumulated. Throughout the year, in Heimiswil, there are 158.6 rainfall days, and 789mm (31.06") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 1.1 snowfall days, in May, Heimiswil aggregates 29mm (1.14") of snow. Throughout the year, in Heimiswil, there are 59.1 snowfall days, and 1284mm (50.55") of snow is accumulated.Daylight
The average length of the day in May in Heimiswil is 15h and 5min.On the first day of the month, sunrise is at 06:12 and sunset at 20:40. On the last day of May, in Heimiswil, sunrise is at 05:38 and sunset at 21:16 CEST.
Sunshine
The average sunshine in May in Heimiswil is 9h.UV index
In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In May, the maximum UV index of 4 suggests these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the temperature in May in Heimiswil?
What is the average humidity in May in Heimiswil?
How many days does it rain in May in Heimiswil?
What is the last month it snows in Heimiswil?
What is the average length of the day in May in Heimiswil?
When is the sunrise / sunset in May in Heimiswil?
How many hours of sunshine does Heimiswil have in May?
What is the UV index reading in May in Heimiswil?
Average temperature in May
Heimiswil, Switzerland
- Average high temperature in May: 16.3°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in May: 5.4°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-4.3°C).
Average pressure in May
Heimiswil, Switzerland
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in May
Heimiswil, Switzerland
- Average wind speed in May: 7.5km/h
The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).
Average humidity in May
Heimiswil, Switzerland
- Average humidity in May: 80%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (77%).
Average rainfall in May
Heimiswil, Switzerland
- Average rainfall in May: 96mm
The wettest month (with the highest rainfall) is June (99mm).
The driest month (with the least rainfall) is September (37mm).
Average rainfall days in May
Heimiswil, Switzerland
- Average rainfall days in May: 20.1 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in May
Heimiswil, Switzerland
- Average snowfall in May: 29mm
The month with the highest snowfall is January (269mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Heimiswil, Switzerland
- Average snowfall days in May: 1.1 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Heimiswil, Switzerland
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in May: 9h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in May
Heimiswil, Switzerland
- Average sunshine days in May: 9 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in May
Heimiswil, Switzerland
- 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, February, October, November and December (UV index 2).
Average cloud cover in May
Heimiswil, Switzerland
- Average cloud cover in May: 45
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Heimiswil, Switzerland
- Average visibility in May: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
Heimiswil, Switzerland
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