May weather forecastGrethem, Germany
May
Weather in May
The last month of the spring, May, is a refreshing month in Grethem, Germany, with an average temperature ranging between min 7.6°C (45.7°F) and max 18.2°C (64.8°F).Temperature
With the onset of May, Grethem observes a minor temperature ascent, with the average high-temperature adjusting from April's 15.1°C (59.2°F) to a still refreshing 18.2°C (64.8°F). In Grethem, an average nighttime temperature of 7.6°C (45.7°F) is expected during May.Humidity
In May, the average relative humidity in Grethem is 73%.Rainfall
In May, in Grethem, the rain falls for 14.7 days. Throughout May, 31mm (1.22") of precipitation is accumulated. Throughout the year, in Grethem, there are 149.4 rainfall days, and 335mm (13.19") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In May, the average length of the day is 15h and 49min.On the first day of May in Grethem, sunrise is at 05:48 and sunset at 20:49. On the last day of the month, sunrise is at 05:03 and sunset at 21:35 CEST.
Sunshine
The average sunshine in May in Grethem is 8.2h.UV index
In May, the average daily maximum UV index in Grethem is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during May leads to these instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Grethem, Germany
- Average high temperature in May: 18.2°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in May: 7.6°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-0.7°C).
Average pressure in May
Grethem, Germany
- Average pressure in May: 1016.2mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1012.7mbar).
Average wind speed in May
Grethem, Germany
- Average wind speed in May: 13.6km/h
The windiest month (with the highest average wind speed) is December (17.2km/h).
The calmest month (with the lowest average wind speed) is August (12.5km/h).
Average humidity in May
Grethem, Germany
- Average humidity in May: 73%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is August (70%).
Average rainfall in May
Grethem, Germany
- Average rainfall in May: 31mm
The wettest month (with the highest rainfall) is July (39mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in May
Grethem, Germany
- Average rainfall days in May: 14.7 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is February (10 days).
Average snowfall in May
Grethem, Germany
- Average snowfall in May: 0mm
The month with the highest snowfall is December (43mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in May
Grethem, Germany
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is January (5.8 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
Grethem, Germany
- Average daylight in May: 15h and 48min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in May: 8h and 12min
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 12min).
Average sunshine days in May
Grethem, Germany
- Average sunshine days in May: 13.8 days
The months with the most sunshine days are August and September (16.8 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in May
Grethem, 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
Grethem, Germany
- Average cloud cover in May: 47
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in May
Grethem, Germany
- Average visibility in May: 9km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (9km).
The month with the lowest visibility is January (8km).
