May weather forecastGrenchen, Switzerland
May
Weather in May
May, the last month of the spring in Grenchen, is a comfortable month, with temperature in the range of an average low of 6°C (42.8°F) and an average high of 16.8°C (62.2°F).Temperature
As Grenchen transitions from April to May, the average high-temperatures adjust to a still refreshing 16.8°C (62.2°F), nearly the same as the previous 14°C (57.2°F). The average temperature drops to a frosty 6°C (42.8°F) during the night in the month of May.Humidity
In Grenchen, the average relative humidity in May is 81%.Rainfall
In May, in Grenchen, the rain falls for 21.9 days. Throughout May, 92mm (3.62") of precipitation is accumulated. In Grenchen, Switzerland, during the entire year, the rain falls for 195.6 days and collects up to 870mm (34.25") of precipitation.Snowfall
January through May, September through December are months with snowfall. May is the last month it regularly snows in Grenchen. During 0.3 snowfall days, in May, Grenchen aggregates 5mm (0.2") of snow. In Grenchen, during the entire year, snow falls for 37.6 days and aggregates up to 557mm (21.93") of snow.Daylight
In Grenchen, Switzerland, the average length of the day in May is 15h and 6min.On the first day of May in Grenchen, Switzerland, sunrise is at 06:13 and sunset at 20:41. On the last day of the month, sunrise is at 05:38 and sunset at 21:17 CEST.
Sunshine
The average sunshine in May in Grenchen is 9h.UV index
In Grenchen, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 4 in May interprets into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To guard against the harmful effects of the Sun, minimize exposure during midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Grenchen, 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
Grenchen, 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
Grenchen, 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
Grenchen, 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
Grenchen, 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
Grenchen, 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
Grenchen, 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
Grenchen, 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
Grenchen, Switzerland
- Average daylight in May: 15h and 6min
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 December (Average sunshine: 4h and 54min).
Average sunshine days in May
Grenchen, 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
Grenchen, 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
Grenchen, 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
Grenchen, 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).
