May weather forecastGrefrath, Germany
May
Weather in May
May, the last month of the spring in Grefrath, is a comfortable month, with an average temperature fluctuating between 17.8°C (64°F) and 8.8°C (47.8°F).Temperature
May's arrival brings an average high-temperature of an enjoyable 17.8°C (64°F), slightly deviating from April's 15.3°C (59.5°F). Throughout May, Grefrath registers a consistent average low-temperature of 8.8°C (47.8°F).Humidity
In Grefrath, the average relative humidity in May is 76%.Rainfall
In May, the rain falls for 16.2 days. Throughout May, 37mm (1.46") of precipitation is accumulated. In Grefrath, during the entire year, the rain falls for 175.6 days and collects up to 456mm (17.95") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in May in Grefrath is 15h and 37min.On the first day of the month, sunrise is at 06:05 and sunset at 20:57. On the last day of May, sunrise is at 05:24 and sunset at 21:40 CEST.
Sunshine
The average sunshine in May in Grefrath is 8.7h.UV index
In Grefrath, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In May, the maximum UV index of 4 translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Grefrath, Germany
- Average high temperature in May: 17.8°C
The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in May: 8.8°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in May
Grefrath, Germany
- Average pressure in May: 1016.3mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.8mbar).
Average wind speed in May
Grefrath, Germany
- Average wind speed in May: 12.1km/h
The windiest month (with the highest average wind speed) is December (17km/h).
The calmest months (with the lowest average wind speed) are July and August (11.2km/h).
Average humidity in May
Grefrath, Germany
- Average humidity in May: 76%
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are April and August (73%).
Average rainfall in May
Grefrath, Germany
- Average rainfall in May: 37mm
The wettest months (with the highest rainfall) are June, July and December (46mm).
The driest month (with the least rainfall) is April (24mm).
Average rainfall days in May
Grefrath, Germany
- Average rainfall days in May: 16.2 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is April (12.2 days).
Average snowfall in May
Grefrath, Germany
- Average snowfall in May: 0mm
The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Grefrath, Germany
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Grefrath, Germany
- Average daylight in May: 15h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in May: 8h and 42min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in May
Grefrath, Germany
- Average sunshine days in May: 12 days
The month with the most sunshine days is October (15.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in May
Grefrath, 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
Grefrath, Germany
- Average cloud cover in May: 43
The month with the most cloud cover is December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in May
Grefrath, Germany
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
