August weather forecastRouen, France
August
Weather in August
August continues the summer spell in Rouen. Interestingly, despite a slight drop, the maximum temperature remains in the same range as July. The city continues to bask in sunlight, enjoying the warm weather, and lush greenery at its fullest bloom. While the days remain appropriately warm, the nights tend to cool down a bit signaling the coming change. The city begins its slow transition into the subsequent season.Temperature
August is the warmest month of the year, registering average temperatures as high as 22.1°C (71.8°F) and as low as 12.8°C (55°F).Humidity
August is the least humid month, with an average relative humidity of 79%.Rainfall
In Rouen, in August, it is raining for 16.3 days, with typically 41mm (1.61") of accumulated precipitation. In Rouen, France, during the entire year, the rain falls for 189.9 days and collects up to 524mm (20.63") of precipitation.Snowfall
April through October are months without snowfall in Rouen.Daylight
The average length of the day in August is 14h and 22min.On the first day of August in Rouen, sunrise is at 06:27 and sunset at 21:36. On the last day of the month, sunrise is at 07:10 and sunset at 20:40 CEST.
Sunshine
The average sunshine in August in Rouen, France, is 8.1h.UV index
The average daily maximum UV index in August in Rouen is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In August, the average maximum UV index of 4 translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in August
Rouen, France
- Average high temperature in August: 22.1°C
The warmest month (with the highest average high temperature) is August (22.1°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in August: 12.8°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in August
Rouen, France
- Average pressure in August: 1016.4mbar
The month with the highest atmospheric pressure is September (1018mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in August
Rouen, France
- Average wind speed in August: 11.5km/h
The windiest month (with the highest average wind speed) is February (17.7km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in August
Rouen, France
- Average humidity in August: 79%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (79%).
Average rainfall in August
Rouen, France
- Average rainfall in August: 41mm
The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in August
Rouen, France
- Average rainfall days in August: 16.3 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is September (12.1 days).
Average snowfall in August
Rouen, France
- Average snowfall in August: 0mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in August
Rouen, France
- Average snowfall days in August: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in August /
Average sunshine in August
Rouen, France
- Average daylight in August: 14h and 24min
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 12min).
- Average sunshine in August: 8h and 6min
The months with the most sunshine are June and July (Average sunshine: 9h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in August
Rouen, France
- Average sunshine days in August: 11.6 days
The month with the most sunshine days is September (14.6 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in August
Rouen, France
- Average UV index in August: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in August
Rouen, France
- Average cloud cover in August: 47
The months with the most cloud cover are January and November (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 46).
Average visibility in August
Rouen, France
- Average visibility in August: 8km
The months with the highest visibility are February, March, April and December (9km).
The months with the lowest visibility are January, May, June, July, August, September, October and November (8km).
