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
A minimal variation is noted in Trey's average high-temperature at the onset of May, reaching a still mild 15.7°C (60.3°F) from April's 13°C (55.4°F). May nights in Trey cool down to an average low-temperature of 5.5°C (41.9°F).Humidity
In May, the average relative humidity in Trey is 82%.Rainfall
In Trey, in May, it is raining for 12.5 days, with typically 22mm (0.87") of accumulated precipitation. Throughout the year, there are 104.2 rainfall days, and 215mm (8.46") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Trey. During 0.1 snowfall days, in May, Trey aggregates 1mm (0.04") of snow. Throughout the year, in Trey, there are 18.1 snowfall days, and 90mm (3.54") of snow is accumulated.Daylight
In Trey, Switzerland, the average length of the day in May is 15h and 3min.On the first day of May, sunrise is at 06:16 and sunset at 20:42. On the last day of the month, sunrise is at 05:42 and sunset at 21:17 CEST.
Sunshine
The average sunshine in May in Trey is 9.1h.UV index
The average daily maximum UV index in May in Trey is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum high UV index of 4 in May translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What is the usual temperature for Trey in May?
What is the average humidity in May in Trey?
How many days does it rain in May in Trey?
What is the last month it snows in Trey?
How many hours of daylight does Trey have in May?
When are sunrise and sunset in May in Trey?
How long on average sun shines in May in Trey?
What is the UV index reading in May in Trey?
Average temperature in May
Trey, Switzerland
- Average high temperature in May: 15.7°C
The warmest months (with the highest average high temperature) are July and August (22.1°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in May: 5.5°C
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in May
Trey, 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
Trey, Switzerland
- Average wind speed in May: 8.9km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).
Average humidity in May
Trey, Switzerland
- Average humidity in May: 82%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and July (79%).
Average rainfall in May
Trey, Switzerland
- Average rainfall in May: 22mm
The wettest month (with the highest rainfall) is June (26mm).
The driest month (with the least rainfall) is September (8mm).
Average rainfall days in May
Trey, Switzerland
- Average rainfall days in May: 12.5 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in May
Trey, Switzerland
- Average snowfall in May: 1mm
The month with the highest snowfall is January (25mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Trey, Switzerland
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Trey, 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 months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in May
Trey, Switzerland
- Average sunshine days in May: 15.8 days
The month with the most sunshine days is October (23.5 days).
The month with the least sunshine days is May (15.8 days).
Average UV index in May
Trey, 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, March, November and December (UV index 2).
Average cloud cover in May
Trey, Switzerland
- Average cloud cover in May: 44
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in May
Trey, Switzerland
- Average visibility in May: 8km
The months with the highest visibility are March, April, November and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September and October (8km).
Trey, Switzerland
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