May weather forecastRetterath, Germany
May
Weather in May
May, the last month of the spring in Retterath, is an enjoyable month, with an average temperature ranging between max 16.8°C (62.2°F) and min 6.5°C (43.7°F).Temperature
Retterath's transition into May sees a mild rise in the average high-temperature, edging from a refreshing 13.8°C (56.8°F) in April to an enjoyable 16.8°C (62.2°F). Retterath throughout May, records an average low-temperature of 6.5°C (43.7°F).Humidity
In Retterath, the average relative humidity in May is 79%.Rainfall
May is the month with the most rainfall. Rain falls for 17.1 days and accumulates 55mm (2.17") of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.8 snowfall days, in May, Retterath aggregates 8mm (0.31") of snow. Throughout the year, there are 51.2 snowfall days, and 582mm (22.91") of snow is accumulated.Daylight
In Retterath, Germany, the average length of the day in May is 15h and 28min.On the first day of the month, sunrise is at 06:06 and sunset at 20:51. On the last day of May, in Retterath, Germany, sunrise is at 05:26 and sunset at 21:32 CEST.
Sunshine
In May, the average sunshine is 8.6h.UV index
In May, the average daily maximum UV index in Retterath is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Experience reduced UV exposure by about half when donning a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Retterath, Germany
- Average high temperature in May: 16.8°C
The warmest months (with the highest average high temperature) are July and August (22.3°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in May: 6.5°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in May
Retterath, Germany
- Average pressure in May: 1016.1mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.9mbar).
Average wind speed in May
Retterath, Germany
- Average wind speed in May: 10km/h
The windiest month (with the highest average wind speed) is December (13.6km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in May
Retterath, Germany
- Average humidity in May: 79%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in May
Retterath, Germany
- Average rainfall in May: 55mm
The wettest month (with the highest rainfall) is May (55mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in May
Retterath, Germany
- Average rainfall days in May: 17.1 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in May
Retterath, Germany
- Average snowfall in May: 8mm
The month with the highest snowfall is February (136mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Retterath, Germany
- Average snowfall days in May: 0.8 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Retterath, Germany
- Average daylight in May: 15h and 30min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in May: 8h and 36min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in May
Retterath, Germany
- Average sunshine days in May: 11.3 days
The month with the most sunshine days is October (17.3 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in May
Retterath, Germany
- 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
Retterath, Germany
- Average cloud cover in May: 46
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in May
Retterath, Germany
- Average visibility in May: 8km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, November and December (7km).





