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
The shift from April to May is characterized by an average high-temperature of a still refreshing 16.5°C (61.7°F), not significantly different from the 13.8°C (56.8°F) of April. During the month of May, Illiswil experiences a steady low-temperature average of 5.3°C (41.5°F).Humidity
The average relative humidity in May in Illiswil, Switzerland, is 79%.Rainfall
In May, in Illiswil, the rain falls for 18.3 days. Throughout May, 51mm (2.01") of precipitation is accumulated. Throughout the year, in Illiswil, Switzerland, there are 149.7 rainfall days, and 438mm (17.24") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Illiswil. During 0.3 snowfall days, in May, Illiswil aggregates 9mm (0.35") of snow. In Illiswil, during the entire year, snow falls for 38 days and aggregates up to 413mm (16.26") of snow.Daylight
In May, the average length of the day in Illiswil, Switzerland, is 15h and 4min.On the first day of the month, sunrise is at 06:14 and sunset at 20:41. On the last day of May, in Illiswil, Switzerland, sunrise is at 05:39 and sunset at 21:17 CEST.
Sunshine
In May, the average sunshine in Illiswil, Switzerland, is 9.1h.UV index
In May, the average daily maximum UV index in Illiswil is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, an average UV index of 4 transforms into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Frequently asked questions
What are the temperatures in Illiswil in May?
What is the average humidity in May in Illiswil?
How much does it rain in Illiswil in May?
What is the last month it snows in Illiswil?
How many hours of daylight does Illiswil have in May?
When are sunrise and sunset in May in Illiswil?
How many hours of sunshine does Illiswil have in May?
What is the UV index intensity in May in Illiswil?
Average temperature in May
Illiswil, Switzerland
- Average high temperature in May: 16.5°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: 5.3°C
The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (-4.2°C).
Average pressure in May
Illiswil, 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 (1015.5mbar).
Average wind speed in May
Illiswil, Switzerland
- Average wind speed in May: 7.7km/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 (6.2km/h).
Average humidity in May
Illiswil, Switzerland
- Average humidity in May: 79%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in May
Illiswil, Switzerland
- Average rainfall in May: 51mm
The wettest month (with the highest rainfall) is June (54mm).
The driest month (with the least rainfall) is September (23mm).
Average rainfall days in May
Illiswil, Switzerland
- Average rainfall days in May: 18.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in May
Illiswil, Switzerland
- Average snowfall in May: 9mm
The month with the highest snowfall is February (104mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Illiswil, Switzerland
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Illiswil, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 5h and 18min).
Average sunshine days in May
Illiswil, Switzerland
- Average sunshine days in May: 9.3 days
The month with the most sunshine days is October (19.5 days).
The months with the least sunshine days are May and June (9.3 days).
Average UV index in May
Illiswil, 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
Illiswil, Switzerland
- Average cloud cover in May: 44
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Illiswil, Switzerland
- Average visibility in May: 8km
The months with the highest visibility are March, April and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September, October and November (8km).
Illiswil, Switzerland
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