May weather forecastPrilly, Switzerland
May
Weather in May
May, the last month of the spring in Prilly, is another mild month, with an average temperature fluctuating between 15.9°C (60.6°F) and 6.8°C (44.2°F).Temperature
The arrival of May brings an average high-temperature of a still moderate 15.9°C (60.6°F), nearly identical to April's 13.2°C (55.8°F). In the month of May, an average of 6.8°C (44.2°F) marks the low-temperature.Humidity
In May, the average relative humidity is 80%.Rainfall
In Prilly, during May, the rain falls for 20 days and regularly aggregates up to 74mm (2.91") of precipitation. In Prilly, Switzerland, during the entire year, the rain falls for 185.5 days and collects up to 834mm (32.83") of precipitation.Snowfall
Months with snowfall in Prilly are January through May, October through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Prilly aggregates 3mm (0.12") of snow. In Prilly, during the entire year, snow falls for 40.1 days and aggregates up to 721mm (28.39") of snow.Daylight
In Prilly, the average length of the day in May is 15h and 2min.On the first day of the month, sunrise is at 06:18 and sunset at 20:43. On the last day of May, in Prilly, sunrise is at 05:44 and sunset at 21:18 CEST.
Sunshine
In May, the average sunshine in Prilly is 10h.UV index
In May, the average daily maximum UV index in Prilly is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Prilly, Switzerland
- Average high temperature in May: 15.9°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in May: 6.8°C
The month with the highest average low temperature is July (12.6°C).
The coldest months (with the lowest average low temperature) are January and February (-2.2°C).
Average pressure in May
Prilly, Switzerland
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in May
Prilly, Switzerland
- Average wind speed in May: 9.8km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in May
Prilly, Switzerland
- Average humidity in May: 80%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in May
Prilly, Switzerland
- Average rainfall in May: 74mm
The wettest month (with the highest rainfall) is December (103mm).
The driest month (with the least rainfall) is September (38mm).
Average rainfall days in May
Prilly, Switzerland
- Average rainfall days in May: 20 days
The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is February (11.8 days).
Average snowfall in May
Prilly, Switzerland
- Average snowfall in May: 3mm
The month with the highest snowfall is December (184mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Prilly, Switzerland
- Average snowfall days in May: 0.3 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Prilly, Switzerland
- Average daylight in May: 15h and 0min
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: 10h and 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in May
Prilly, Switzerland
- Average sunshine days in May: 8 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is June (6.7 days).
Average UV index in May
Prilly, 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
Prilly, Switzerland
- Average cloud cover in May: 37
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in May
Prilly, Switzerland
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).





