Contents
- Weather in August
- Frequently asked questions
- Average temperature in August
- Average pressure in August
- Average wind speed in August
- Average humidity in August
- Average rainfall in August
- Average rainfall days in August
- Average snowfall in August
- Average snowfall days in August
- Average daylight in August
- Average sunshine in August
- Average sunshine days in August
- Average UV index in August
- Average cloud cover in August
- Average visibility in August
Weather in August
Temperature
August, with an average high of 23.9°C (75°F) and a low of 14.2°C (57.6°F), signifies the warmest month of the year.Humidity
The least humid month is August, with an average relative humidity of 70%.Rainfall
In Grethem, in August, during 11.9 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Grethem, during the entire year, the rain falls for 149.4 days and collects up to 335mm (13.19") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In August, the average length of the day is 14h and 40min.On the first day of August in Grethem, sunrise is at 05:41 and sunset at 21:14. On the last day of the month, sunrise is at 06:31 and sunset at 20:12 CEST.
Sunshine
August has the most sunshine of the year in Grethem, with an average of 9.5h of sunshine.UV index
The months with the highest UV index in Grethem are June through August, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The average daily UV index of 5 in August transforms into the following instructions:
Act with care - Obligation to protect against skin and eye damage is highlighted. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the hottest time of year in Grethem?
What are August temperatures in Grethem?
What is the least humid month in Grethem?
What is the average humidity in August in Grethem?
How much does it rain in Grethem in August?
When it does not snow in Grethem?
How many hours of daylight does Grethem have in August?
When are sunrise and sunset in August in Grethem?
What month has the most sunshine in Grethem?
How long on average sun shines in August in Grethem?
What are the months with the highest UV index in Grethem?
How high is the UV index in August in Grethem?
Average temperature in August
Grethem, Germany
- Average high temperature in August: 23.9°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 August: 14.2°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 August
Grethem, Germany
- Average pressure in August: 1015.4mbar
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 August
Grethem, Germany
- Average wind speed in August: 12.5km/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 August
Grethem, Germany
- Average humidity in August: 70%
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 August
Grethem, Germany
- Average rainfall in August: 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 August
Grethem, Germany
- Average rainfall days in August: 11.9 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 August
Grethem, Germany
- Average snowfall in August: 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 August
Grethem, Germany
- Average snowfall days in August: 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 August /
Average sunshine in August
Grethem, Germany
- Average daylight in August: 14h and 4min
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 August: 9h and 3min
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 August
Grethem, Germany
- Average sunshine days in August: 16.8 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 August
Grethem, Germany
- Average UV index in August: 5
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 August
Grethem, Germany
- Average cloud cover in August: 38
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 August
Grethem, Germany
- Average visibility in August: 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).
Grethem, Germany
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