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
Stepping into May, Alterswilen records an average high-temperature of an enjoyable 16.9°C (62.4°F), almost consistent with April. May nights in Alterswilen experience a consistent temperature drop to a frosty 6.8°C (44.2°F).Humidity
In Alterswilen, the average relative humidity in May is 77%.Rainfall
In Alterswilen, in May, it is raining for 20.7 days, with typically 113mm (4.45") of accumulated precipitation. Throughout the year, in Alterswilen, there are 177.8 rainfall days, and 1006mm (39.61") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Alterswilen. During 0.7 snowfall days, in May, Alterswilen aggregates 25mm (0.98") of snow. In Alterswilen, during the entire year, snow falls for 55.7 days and aggregates up to 1345mm (52.95") of snow.Daylight
The average length of the day in May is 15h and 9min.On the first day of May in Alterswilen, sunrise is at 06:05 and sunset at 20:35. On the last day of the month, sunrise is at 05:29 and sunset at 21:12 CEST.
Sunshine
In May, the average sunshine is 9.6h.UV index
The average daily maximum UV index in May in Alterswilen is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 4 in May transforms into the following instructions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Alterswilen?
What is the average humidity in May in Alterswilen?
How many days does it rain in May in Alterswilen?
What is the last month it snows in Alterswilen?
What is the average length of the day in May in Alterswilen?
What time are sunrise and sunset in May in Alterswilen?
How long on average sun shines in May in Alterswilen?
How high is the UV index in May in Alterswilen?
Average temperature in May
Alterswilen, Switzerland
- Average high temperature in May: 16.9°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 (2.9°C).
- Average low temperature in May: 6.8°C
The months with the highest average low temperature are July and August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in May
Alterswilen, Switzerland
- Average pressure in May: 1016.1mbar
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
Alterswilen, Switzerland
- Average wind speed in May: 7.9km/h
The windiest month (with the highest average wind speed) is March (9km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in May
Alterswilen, Switzerland
- Average humidity in May: 77%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (75%).
Average rainfall in May
Alterswilen, Switzerland
- Average rainfall in May: 113mm
The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in May
Alterswilen, Switzerland
- Average rainfall days in May: 20.7 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in May
Alterswilen, Switzerland
- Average snowfall in May: 25mm
The month with the highest snowfall is January (353mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Alterswilen, Switzerland
- Average snowfall days in May: 0.7 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 and August (0 days).
Average daylight in May /
Average sunshine in May
Alterswilen, 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 30min).
- Average sunshine in May: 9h and 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in May
Alterswilen, Switzerland
- Average sunshine days in May: 7.3 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in May
Alterswilen, 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
Alterswilen, Switzerland
- Average cloud cover in May: 41
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Alterswilen, Switzerland
- Average visibility in May: 9km
The months with the highest visibility are April, May, June, July, August, October and November (9km).
The months with the lowest visibility are January, February, March, September and December (8km).
