August weather forecastGrentheville, France
August
Weather in August
August, the last month of the summer in Grentheville, is also an agreeable month, with an average temperature ranging between min 13.7°C (56.7°F) and max 20.9°C (69.6°F).Temperature
In Grentheville, the average temperatures in August are the highest, with a peak at 20.9°C (69.6°F) and a low of 13.7°C (56.7°F).Humidity
August and September, with an average relative humidity of 80%, are the least humid months.Rainfall
In August, the rain falls for 14.3 days. Throughout August, 40mm (1.57") of precipitation is accumulated. Throughout the year, there are 184.6 rainfall days, and 499mm (19.65") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in August in Grentheville is 14h and 21min.On the first day of the month, sunrise is at 06:34 and sunset at 21:40. On the last day of August, in Grentheville, sunrise is at 07:16 and sunset at 20:45 CEST.
Sunshine
In Grentheville, France, the average sunshine in August is 8.4h.UV index
The months with the highest UV index are July and August, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In August, a regular UV index of 5 translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Grentheville, France
- Average high temperature in August: 20.9°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in August: 13.7°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (3.7°C).
Average pressure in August
Grentheville, France
- Average pressure in August: 1016.6mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in August
Grentheville, France
- Average wind speed in August: 14.4km/h
The windiest month (with the highest average wind speed) is December (23.2km/h).
The calmest month (with the lowest average wind speed) is August (14.4km/h).
Average humidity in August
Grentheville, France
- Average humidity in August: 80%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are August and September (80%).
Average rainfall in August
Grentheville, France
- Average rainfall in August: 40mm
The wettest months (with the highest rainfall) are November and December (59mm).
The driest month (with the least rainfall) is September (27mm).
Average rainfall days in August
Grentheville, France
- Average rainfall days in August: 14.3 days
The month with the highest number of rainy days is January (18.2 days).
The month with the least rainy days is September (12.9 days).
Average snowfall in August
Grentheville, France
- Average snowfall in August: 0mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in August
Grentheville, France
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.8 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
Grentheville, France
- Average daylight in August: 14h and 18min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in August: 8h and 24min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in August
Grentheville, France
- Average sunshine days in August: 14.1 days
The month with the most sunshine days is September (14.8 days).
The months with the least sunshine days are January, February and November (9.3 days).
Average UV index in August
Grentheville, France
- Average UV index in August: 5
The months with the highest UV index are 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
Grentheville, France
- Average cloud cover in August: 40
The months with the most cloud cover are January and November (Cloud cover 59).
The months with the least cloud cover are July, August and September (Cloud cover 40).
Average visibility in August
Grentheville, France
- Average visibility in August: 10km
The months with the highest visibility are February, March, April, July, August, September, October and December (10km).
The months with the lowest visibility are January, May, June and November (9km).
