May weather forecastGrächen, Switzerland
May
Weather in May
The last month of the spring, May, is a frosty month in Grächen, Switzerland, with an average temperature ranging between min -1°C (30.2°F) and max 6.4°C (43.5°F).Temperature
As May arrives, Grächen's weather shows a minor increase in high-temperatures, edging from April's cold 2.9°C (37.2°F) to a chilly 6.4°C (43.5°F). Throughout the month of May, Grächen witnesses an average low-temperature of -1°C (30.2°F).Humidity
In May, the average relative humidity is 89%.Rainfall
In Grächen, in May, it is raining for 22.6 days, with typically 180mm (7.09") of accumulated precipitation. In Grächen, during the entire year, the rain falls for 176.3 days and collects up to 1541mm (60.67") of precipitation.Snowfall
January through June, August through December are months with snowfall. In May, it is snowing for 9.4 days. Throughout May, 445mm (17.52") of snow is accumulated. In Grächen, during the entire year, snow falls for 126.3 days and aggregates up to 4942mm (194.57") of snow.Daylight
The average length of the day in May in Grächen, Switzerland, is 14h and 59min.On the first day of the month, sunrise is at 06:14 and sunset at 20:37. On the last day of May, in Grächen, sunrise is at 05:40 and sunset at 21:12 CEST.
Sunshine
The average sunshine in May in Grächen is 7h.UV index
In Grächen, Switzerland, the average daily maximum UV index in May is 2. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 2 during May leads to these instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Grächen, Switzerland
- Average high temperature in May: 6.4°C
The warmest month (with the highest average high temperature) is July (14.8°C).
The month with the lowest average high temperature is January (-3.6°C).
- Average low temperature in May: -1°C
The month with the highest average low temperature is August (5.3°C).
The coldest month (with the lowest average low temperature) is January (-12.3°C).
Average pressure in May
Grächen, Switzerland
- Average pressure in May: 1015.5mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.1mbar).
Average wind speed in May
Grächen, Switzerland
- Average wind speed in May: 7.4km/h
The windiest month (with the highest average wind speed) is December (9.6km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity in May
Grächen, Switzerland
- Average humidity in May: 89%
The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is July (82%).
Average rainfall in May
Grächen, Switzerland
- Average rainfall in May: 180mm
The wettest month (with the highest rainfall) is July (199mm).
The driest month (with the least rainfall) is January (51mm).
Average rainfall days in May
Grächen, Switzerland
- Average rainfall days in May: 22.6 days
The month with the highest number of rainy days is July (26.6 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in May
Grächen, Switzerland
- Average snowfall in May: 445mm
The month with the highest snowfall is November (1182mm).
The month with the least snowfall is July (0mm).
Average snowfall days in May
Grächen, Switzerland
- Average snowfall days in May: 9.4 days
The month with the highest number of snowfall days is March (21.7 days).
The months with the least snowfall days are July and August (0.1 days).
Average daylight in May /
Average sunshine in May
Grächen, Switzerland
- Average daylight in May: 15h and 0min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in May: 7h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is November (Average sunshine: 4h and 18min).
Average sunshine days in May
Grächen, Switzerland
- Average sunshine days in May: 4.3 days
The month with the most sunshine days is December (15.1 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in May
Grächen, Switzerland
- Average UV index in May: 2
The months with the highest UV index are June and July (UV index 3).
The months with the lowest UV index are January, February, March and April (UV index 1).
Average cloud cover in May
Grächen, Switzerland
- Average cloud cover in May: 60
The month with the most cloud cover is April (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 45).
Average visibility in May
Grächen, Switzerland
- Average visibility in May: 7km
The months with the highest visibility are June, July, August and December (8km).
The months with the lowest visibility are March, April and November (6km).
