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
The arrival of May witnesses a small shift in the average high-temperature, moving from a mild 15.3°C (59.5°F) in April to an enjoyable 18.4°C (65.1°F). Against the high May temperatures, Buttwil records an average drop to a frosty 6.3°C (43.3°F) at night.Humidity
The average relative humidity in May is 79%.Rainfall
In Buttwil, Switzerland, in May, during 17.8 rainfall days, 71mm (2.8") of precipitation is typically accumulated. Throughout the year, in Buttwil, Switzerland, there are 157.5 rainfall days, and 712mm (28.03") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Buttwil. May is the last month it regularly snows. During 0.4 snowfall days, in May, Buttwil aggregates 12mm (0.47") of snow. Throughout the year, in Buttwil, there are 52.6 snowfall days, and 964mm (37.95") of snow is accumulated.Daylight
In Buttwil, the average length of the day in May is 15h and 7min.On the first day of the month, sunrise is at 06:09 and sunset at 20:38. On the last day of May, sunrise is at 05:34 and sunset at 21:14 CEST.
Sunshine
The average sunshine in May is 9h.UV index
In Buttwil, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Buttwil in May?
What is the average humidity in May in Buttwil?
How many days does it rain in May in Buttwil?
What is the last month it snows in Buttwil?
How many hours of daylight does Buttwil have in May?
When are sunrise and sunset in May in Buttwil?
How many hours of sunshine does Buttwil have in May?
What is the UV index reading in May in Buttwil?
Average temperature in May
Buttwil, Switzerland
- Average high temperature in May: 18.4°C
The warmest months (with the highest average high temperature) are July and August (24.4°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in May: 6.3°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in May
Buttwil, Switzerland
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in May
Buttwil, Switzerland
- Average wind speed in May: 7.6km/h
The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in May
Buttwil, Switzerland
- Average humidity in May: 79%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (76%).
Average rainfall in May
Buttwil, Switzerland
- Average rainfall in May: 71mm
The wettest month (with the highest rainfall) is August (82mm).
The driest months (with the least rainfall) are April and September (38mm).
Average rainfall days in May
Buttwil, Switzerland
- Average rainfall days in May: 17.8 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in May
Buttwil, Switzerland
- Average snowfall in May: 12mm
The month with the highest snowfall is December (232mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Buttwil, Switzerland
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Buttwil, Switzerland
- Average daylight in May: 15h and 1min
The month with the longest days is June (Average daylight: 15h and 54min).
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: 4h and 42min).
Average sunshine days in May
Buttwil, Switzerland
- Average sunshine days in May: 11.8 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is June (11 days).
Average UV index in May
Buttwil, 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, November and December (UV index 2).
Average cloud cover in May
Buttwil, Switzerland
- Average cloud cover in May: 44
The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in May
Buttwil, Switzerland
- Average visibility in May: 8km
The months with the highest visibility are April, July and August (9km).
The months with the lowest visibility are January and February (7km).
