May weather forecastHeroldsberg, Germany
May
Weather in May
The last month of the spring, May, is a refreshing month in Heroldsberg, Germany, with temperature in the range of an average high of 18.6°C (65.5°F) and an average low of 7.7°C (45.9°F).Temperature
The arrival of May introduces a minor uplift in high-temperatures, adjusting from a refreshing 15.6°C (60.1°F) in April to a comfortable 18.6°C (65.5°F). During May, the nighttime temperature in Heroldsberg averages of 7.7°C (45.9°F).Humidity
In May, the average relative humidity in Heroldsberg is 73%.Rainfall
In Heroldsberg, during May, the rain falls for 15.5 days and regularly aggregates up to 32mm (1.26") of precipitation. In Heroldsberg, during the entire year, the rain falls for 142.6 days and collects up to 350mm (13.78") of precipitation.Snowfall
January through May, October through December are months with snowfall in Heroldsberg. May is the last month it regularly snows in Heroldsberg. During 0.1 snowfall days, in May, Heroldsberg aggregates 4mm (0.16") of snow. In Heroldsberg, during the entire year, snow falls for 32.8 days and aggregates up to 223mm (8.78") of snow.Daylight
In May, the average length of the day is 15h and 22min.On the first day of May, sunrise is at 05:51 and sunset at 20:33. On the last day of the month, sunrise is at 05:13 and sunset at 21:12 CEST.
Sunshine
In Heroldsberg, the average sunshine in May is 9.1h.UV index
In Heroldsberg, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 4 during May translates into the following guidance:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Be alert to the fact! The reflection from snow can nearly 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
Heroldsberg, Germany
- Average high temperature in May: 18.6°C
The warmest months (with the highest average high temperature) are July and August (24.6°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in May: 7.7°C
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in May
Heroldsberg, Germany
- Average pressure in May: 1015.9mbar
The month with the highest atmospheric pressure is December (1019.2mbar).
The month with the lowest atmospheric pressure is November (1015.3mbar).
Average wind speed in May
Heroldsberg, Germany
- Average wind speed in May: 10.3km/h
The windiest month (with the highest average wind speed) is December (12.4km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity in May
Heroldsberg, Germany
- Average humidity in May: 73%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in May
Heroldsberg, Germany
- Average rainfall in May: 32mm
The wettest month (with the highest rainfall) is August (39mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in May
Heroldsberg, Germany
- Average rainfall days in May: 15.5 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in May
Heroldsberg, Germany
- Average snowfall in May: 4mm
The month with the highest snowfall is January (73mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Heroldsberg, Germany
- Average snowfall days in May: 0.1 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Heroldsberg, Germany
- Average daylight in May: 15h and 24min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in May
Heroldsberg, Germany
- Average sunshine days in May: 12.8 days
The month with the most sunshine days is September (17.6 days).
The month with the least sunshine days is December (12.5 days).
Average UV index in May
Heroldsberg, Germany
- Average UV index in May: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in May
Heroldsberg, Germany
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Heroldsberg, Germany
- Average visibility in May: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The month with the lowest visibility is January (7km).
