May weather forecastSerno, Germany
May
Weather in May
May, the last month of the spring in Serno, is a refreshing month, with temperature in the range of an average high of 18.3°C (64.9°F) and an average low of 7.9°C (46.2°F).Temperature
May's onset brings a subtle temperature rise, moving from a moderate 14.9°C (58.8°F) in April to an enjoyable 18.3°C (64.9°F). During the month of May, Serno anticipates a mean low-temperature of 7.9°C (46.2°F).Humidity
The average relative humidity in May in Serno is 75%.Rainfall
In Serno, in May, during 14 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, in Serno, Germany, there are 151.6 rainfall days, and 377mm (14.84") of precipitation is accumulated.Snowfall
In Serno, Germany, snow does not fall in May through October.Daylight
The average length of the day in May is 15h and 42min.On the first day of May, sunrise is at 05:39 and sunset at 20:35. On the last day of the month, sunrise is at 04:56 and sunset at 21:19 CEST.
Sunshine
In Serno, the average sunshine in May is 8.9h.UV index
In Serno, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, a daily maximum UV index of 4 leads to the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. To avoid the Sun's strongest rays, limit exposure around the mid-day period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Serno, Germany
- Average high temperature in May: 18.3°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (2.1°C).
- Average low temperature in May: 7.9°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-2.1°C).
Average pressure in May
Serno, Germany
- Average pressure in May: 1015.8mbar
The month with the highest atmospheric pressure is October (1017.3mbar).
The month with the lowest atmospheric pressure is November (1014mbar).
Average wind speed in May
Serno, Germany
- Average wind speed in May: 12.1km/h
The windiest month (with the highest average wind speed) is December (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in May
Serno, Germany
- Average humidity in May: 75%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in May
Serno, Germany
- Average rainfall in May: 31mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in May
Serno, Germany
- Average rainfall days in May: 14 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (7.5 days).
Average snowfall in May
Serno, Germany
- Average snowfall in May: 0mm
The month with the highest snowfall is January (52mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Serno, Germany
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Serno, Germany
- Average daylight in May: 15h and 42min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in May: 8h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in May
Serno, Germany
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is April (18.3 days).
The months with the least sunshine days are July and December (12.5 days).
Average UV index in May
Serno, Germany
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Serno, Germany
- Average cloud cover in May: 43
The months with the most cloud cover are January and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Serno, Germany
- Average visibility in May: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and December (8km).





