May weather forecastGränichen, Switzerland
May
Weather in May
The last month of the spring, May, is a comfortable month in Gränichen, Switzerland, with an average temperature fluctuating between 17.3°C (63.1°F) and 5.8°C (42.4°F).Temperature
As Gränichen welcomes May, the average high-temperature sees a modest rise, transitioning from a moderate 14.3°C (57.7°F) in April to a comfortable 17.3°C (63.1°F). The average nighttime temperature in Gränichen lowers to a cold 5.8°C (42.4°F) throughout May.Humidity
In May, the average relative humidity is 81%.Rainfall
May is the month with the most rainfall. Rain falls for 22.4 days and accumulates 106mm (4.17") of precipitation.Snowfall
Months with snowfall in Gränichen, Switzerland, are January through May, October through December. May is the last month it regularly snows. During 0.4 snowfall days, in May, Gränichen aggregates 11mm (0.43") of snow. In Gränichen, during the entire year, snow falls for 39.9 days and aggregates up to 652mm (25.67") of snow.Daylight
In Gränichen, Switzerland, the average length of the day in May is 15h and 7min.On the first day of the month, sunrise is at 06:10 and sunset at 20:39. On the last day of May, sunrise is at 05:35 and sunset at 21:15 CEST.
Sunshine
In Gränichen, the average sunshine in May is 9.1h.UV index
The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 4 in May, converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Gränichen, Switzerland
- Average high temperature in May: 17.3°C
The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in May: 5.8°C
The months with the highest average low temperature are July and August (11.8°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in May
Gränichen, Switzerland
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in May
Gränichen, Switzerland
- Average wind speed in May: 7.6km/h
The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in May
Gränichen, Switzerland
- Average humidity in May: 81%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are April and July (78%).
Average rainfall in May
Gränichen, Switzerland
- Average rainfall in May: 106mm
The wettest month (with the highest rainfall) is May (106mm).
The driest month (with the least rainfall) is September (45mm).
Average rainfall days in May
Gränichen, Switzerland
- Average rainfall days in May: 22.4 days
The month with the highest number of rainy days is May (22.4 days).
The month with the least rainy days is February (10.6 days).
Average snowfall in May
Gränichen, Switzerland
- Average snowfall in May: 11mm
The month with the highest snowfall is February (153mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Gränichen, Switzerland
- Average snowfall days in May: 0.4 days
The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Gränichen, 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 30min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in May
Gränichen, Switzerland
- Average sunshine days in May: 6.6 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (6.6 days).
Average UV index in May
Gränichen, 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, October, November and December (UV index 2).
Average cloud cover in May
Gränichen, Switzerland
- Average cloud cover in May: 44
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in May
Gränichen, 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).





