May weather forecastRetzau, Germany
May
Weather in May
May, the last month of the spring in Retzau, is a refreshing month, with temperature in the range of an average low of 7.9°C (46.2°F) and an average high of 18.3°C (64.9°F).Temperature
Retzau, Germany, observes a slight ascent in average high-temperatures during May, adjusting from a moderate 15.2°C (59.4°F) in April to an enjoyable 18.3°C (64.9°F). Nighttime temperature in Retzau dips to a mean of 7.9°C (46.2°F) during May.Humidity
The average relative humidity in May in Retzau is 75%.Rainfall
In Retzau, during May, the rain falls for 13.6 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, there are 142.3 rainfall days, and 336mm (13.23") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Retzau, the average length of the day in May is 15h and 40min.On the first day of the month, sunrise is at 05:40 and sunset at 20:35. On the last day of May, sunrise is at 04:58 and sunset at 21:18 CEST.
Sunshine
In Retzau, Germany, the average sunshine in May is 9.1h.UV index
In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: During May, 4 as the daily maximum UV index converts into the following advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Retzau, Germany
- Average high temperature in May: 18.3°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in May: 7.9°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average pressure in May
Retzau, Germany
- Average pressure in May: 1015.8mbar
The months with the highest atmospheric pressure are September and October (1017.4mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).
Average wind speed in May
Retzau, Germany
- Average wind speed in May: 11.9km/h
The windiest month (with the highest average wind speed) is December (16.4km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in May
Retzau, Germany
- Average humidity in May: 75%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (66%).
Average rainfall in May
Retzau, Germany
- Average rainfall in May: 34mm
The wettest month (with the highest rainfall) is July (53mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in May
Retzau, Germany
- Average rainfall days in May: 13.6 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is February (8.1 days).
Average snowfall in May
Retzau, Germany
- Average snowfall in May: 0mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in May
Retzau, Germany
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (7 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
Retzau, 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 54min).
- Average sunshine in May: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in May
Retzau, Germany
- Average sunshine days in May: 14.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in May
Retzau, 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 November (UV index 1).
Average cloud cover in May
Retzau, Germany
- Average cloud cover in May: 42
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in May
Retzau, Germany
- Average visibility in May: 9km
The month with the highest visibility is August (10km).
The month with the lowest visibility is January (8km).





