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 introduction of May sees an average high-temperature of a comfortable 16.8°C (62.2°F), hardly deviating from April. During May, Siselen records an average temperature of 6°C (42.8°F) at night.Humidity
In May, the average relative humidity is 81%.Rainfall
In Siselen, in May, during 21.9 rainfall days, 92mm (3.62") of precipitation is typically accumulated. Throughout the year, there are 195.6 rainfall days, and 870mm (34.25") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Siselen aggregates 5mm (0.2") of snow. In Siselen, during the entire year, snow falls for 37.6 days and aggregates up to 557mm (21.93") of snow.Daylight
In Siselen, the average length of the day in May is 15h and 5min.On the first day of May, sunrise is at 06:14 and sunset at 20:42. On the last day of the month, sunrise is at 05:40 and sunset at 21:17 CEST.
Sunshine
In May, the average sunshine is 9h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 in May translates into these instructions:
Ensure safety - Sun damage prevention is strongly urged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Boost your sun resistance with garments that are densely woven yet spacious. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in May?
What is the average humidity in May?
How much does it rain in May?
What is the last month it snows in Siselen?
How many hours of daylight does Siselen have in May?
When is the sunrise / sunset in May?
How many hours of sunshine does Siselen have in May?
How high is the UV index in May?
Average temperature in May
Siselen, Switzerland
- Average high temperature in May: 16.8°C
The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in May: 6°C
The month with the highest average low temperature is July (11.9°C).
The coldest months (with the lowest average low temperature) are January and February (-2.8°C).
Average pressure in May
Siselen, Switzerland
- Average pressure in May: 1016.3mbar
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
Siselen, Switzerland
- Average wind speed in May: 8.4km/h
The windiest month (with the highest average wind speed) is February (10.2km/h).
The calmest month (with the lowest average wind speed) is August (6.3km/h).
Average humidity in May
Siselen, Switzerland
- Average humidity in May: 81%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April, July and August (79%).
Average rainfall in May
Siselen, Switzerland
- Average rainfall in May: 92mm
The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is September (46mm).
Average rainfall days in May
Siselen, Switzerland
- Average rainfall days in May: 21.9 days
The month with the highest number of rainy days is May (21.9 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in May
Siselen, Switzerland
- Average snowfall in May: 5mm
The month with the highest snowfall is February (133mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in May
Siselen, Switzerland
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Siselen, 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 December (Average sunshine: 4h and 54min).
Average sunshine days in May
Siselen, Switzerland
- Average sunshine days in May: 6.7 days
The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is May (6.7 days).
Average UV index in May
Siselen, 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
Siselen, Switzerland
- Average cloud cover in May: 44
The months with the most cloud cover are January, February and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Siselen, Switzerland
- Average visibility in May: 8km
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are January, February, May, June, September, October, November and December (8km).
