Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
May
Weather in May
Temperature
The average high-temperature is a moderate 15°C (59°F) in May, hardly different from the 12.8°C (55°F) recorded in April. Roetgen records a consistent low-temperature of 5.8°C (42.4°F) during May nights.Humidity
In Roetgen, the average relative humidity in May is 84%.Rainfall
In Roetgen, in May, it is raining for 18.5 days, with typically 57mm (2.24") of accumulated precipitation. In Roetgen, during the entire year, the rain falls for 173 days and collects up to 647mm (25.47") of precipitation.Snowfall
January through May, October through December are months with snowfall. May is the last month it regularly snows in Roetgen. During 1 snowfall days, in May, Roetgen aggregates 17mm (0.67") of snow. Throughout the year, in Roetgen, there are 57.2 snowfall days, and 734mm (28.9") of snow is accumulated.Daylight
In Roetgen, the average length of the day in May is 15h and 31min.On the first day of May in Roetgen, sunrise is at 06:08 and sunset at 20:56. On the last day of the month, sunrise is at 05:28 and sunset at 21:37 CEST.
Sunshine
In Roetgen, the average sunshine in May is 7.3h.UV index
In May, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 4 transforms into these recommendations:
Be vigilant - Preventing sunburn is recommended. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Roetgen in May?
What is the average humidity in May in Roetgen?
How many days does it rain in May in Roetgen?
What is the last month it snows in Roetgen?
How many hours of daylight does Roetgen have in May?
When is the sunrise / sunset in May in Roetgen?
How many hours of sunshine does Roetgen have in May?
How high is the UV index in May in Roetgen?
Average temperature in May
Roetgen, Germany
- Average high temperature in May: 15°C
The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in May: 5.8°C
The months with the highest average low temperature are July and August (11.3°C).
The coldest months (with the lowest average low temperature) are January and February (-1.8°C).
Average pressure in May
Roetgen, Germany
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is September (1017.7mbar).
The month with the lowest atmospheric pressure is November (1013.4mbar).
Average wind speed in May
Roetgen, Germany
- Average wind speed in May: 11.5km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (10.5km/h).
Average humidity in May
Roetgen, Germany
- Average humidity in May: 84%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is April (80%).
Average rainfall in May
Roetgen, Germany
- Average rainfall in May: 57mm
The wettest month (with the highest rainfall) is June (67mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in May
Roetgen, Germany
- Average rainfall days in May: 18.5 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in May
Roetgen, Germany
- Average snowfall in May: 17mm
The month with the highest snowfall is February (159mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Roetgen, Germany
- Average snowfall days in May: 1 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Roetgen, Germany
- Average daylight in May: 15h and 3min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in May: 7h and 2min
The month with the most sunshine is August (Average sunshine: 8h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in May
Roetgen, Germany
- Average sunshine days in May: 10.7 days
The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in May
Roetgen, Germany
- Average UV index in May: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in May
Roetgen, Germany
- Average cloud cover in May: 54
The month with the most cloud cover is December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 47).
Average visibility in May
Roetgen, Germany
- Average visibility in May: 8km
The months with the highest visibility are February, March, April, May, June, July, August, October and December (8km).
The months with the lowest visibility are January, September and November (7km).
