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
As Saint Gallen transitions from April to May, the average high-temperatures adjust to a comfortable 16.9°C (62.4°F), nearly the same as the previous 13.9°C (57°F). Saint Gallen's average low-temperature is measured at a frosty 6.8°C (44.2°F) during May.Humidity
In Saint Gallen, the average relative humidity in May is 77%.Rainfall
In May, in Saint Gallen, Switzerland, the rain falls for 20.7 days. Throughout May, 113mm (4.45") of precipitation is accumulated. In Saint Gallen, Switzerland, during the entire year, the rain falls for 177.8 days and collects up to 1006mm (39.61") of precipitation.Snowfall
Months with snowfall in Saint Gallen are January through May, October through December. May is the last month it regularly snows in Saint Gallen. During 0.7 snowfall days, in May, Saint Gallen aggregates 25mm (0.98") of snow. In Saint Gallen, during the entire year, snow falls for 55.7 days and aggregates up to 1345mm (52.95") of snow.Daylight
The average length of the day in May in Saint Gallen is 15h and 7min.On the first day of the month, sunrise is at 06:04 and sunset at 20:34. On the last day of May, sunrise is at 05:29 and sunset at 21:10 CEST.
Sunshine
In Saint Gallen, Switzerland, the average sunshine in May is 9.6h.UV index
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 rays for the ordinary person.Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Frequently asked questions
What are the temperatures in Saint Gallen in May?
What is the average humidity in May in Saint Gallen?
How many days does it rain in May in Saint Gallen?
What is the last month it snows in Saint Gallen?
What is the average length of the day in May in Saint Gallen?
What time are sunrise and sunset in May in Saint Gallen?
How many hours of sunshine does Saint Gallen have in May?
What is the UV index reading in May in Saint Gallen?
Average temperature in May
Saint Gallen, Switzerland
- Average high temperature in May: 16.9°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: 6.8°C
The months with the highest average low temperature are July and August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in May
Saint Gallen, Switzerland
- Average pressure in May: 1016.1mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in May
Saint Gallen, Switzerland
- Average wind speed in May: 7.9km/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 (6.7km/h).
Average humidity in May
Saint Gallen, Switzerland
- Average humidity in May: 77%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (75%).
Average rainfall in May
Saint Gallen, Switzerland
- Average rainfall in May: 113mm
The wettest month (with the highest rainfall) is August (126mm).
The driest month (with the least rainfall) is April (52mm).
Average rainfall days in May
Saint Gallen, Switzerland
- Average rainfall days in May: 20.7 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in May
Saint Gallen, Switzerland
- Average snowfall in May: 25mm
The month with the highest snowfall is January (353mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Saint Gallen, Switzerland
- Average snowfall days in May: 0.7 days
The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in May /
Average sunshine in May
Saint Gallen, Switzerland
- Average daylight in May: 15h and 1min
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 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in May
Saint Gallen, Switzerland
- Average sunshine days in May: 7.3 days
The month with the most sunshine days is October (17.2 days).
The month with the least sunshine days is July (6.6 days).
Average UV index in May
Saint Gallen, 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
Saint Gallen, Switzerland
- Average cloud cover in May: 41
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in May
Saint Gallen, Switzerland
- Average visibility in May: 9km
The months with the highest visibility are April, May, June, July, August, October and November (9km).
The months with the lowest visibility are January, February, March, September and December (8km).
Saint Gallen, Switzerland
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