Rouen
France
Long-term weather forecast
Long-term weather forecast

August weather forecast and climate
Rouen, France

The last month of the summer, August, is also an agreeable month in Rouen, France, with average temperature ranging between max 22.1°C (71.8°F) and min 12.8°C (55°F).

Temperature

With an average high-temperature of 22.1°C (71.8°F) and an average low-temperature of 12.8°C (55°F), August is the warmest month.

Humidity

August is the least humid month in Rouen, France, with an average relative humidity of 79%.

Rainfall

In August, in Rouen, the rain falls for 16.3 days. Throughout August, 41mm (1.61") of precipitation is accumulated. 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.

Daylight

The average length of the day in August is 14.4h.

Sunshine

In August, the average sunshine is 8.1h.

UV index

In August, the average daily maximum UV index in Rouen, France, is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the warmest month in Rouen?

The warmest month in Rouen, France, is August, with an average high-temperature of 22.1°C (71.8°F) and an average low-temperature of 12.8°C (55°F).

What is the temperature in August in Rouen?

In Rouen, France, in August, the average high-temperature is 22.1°C (71.8°F), and the average low-temperature is 12.8°C (55°F).

What is the least humid month in Rouen?

With an average relative humidity of 79%, August is the least humid month in Rouen, France.

What is the average humidity in August in Rouen?

In Rouen, the average relative humidity in August is 79%.

How much does it rain in Rouen in August?

In August, in Rouen, France, the rain falls for 16.3 days. Throughout August, 41mm (1.61") of precipitation is accumulated.

When it does not snow in Rouen?

April through October are months without snowfall in Rouen, France.

What is the average length of the day in August in Rouen?

The average length of the day in August is 14.4h.

How long on average sun shines in August in Rouen?

The average sunshine in August is 8.1h.

What is the UV index reading in August in Rouen?

In Rouen, France, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to the UV radiation.
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 humidity in August - Rouen, France
  • Average humidity in August: 79%

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).
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).
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: 14.4h

The month with the longest days is June (Average daylight: 16.2h).
The month with the shortest days is December (Average daylight: 8.3h).

  • Average sunshine in August: 8.1h

Months with the most sunshine are June and July (Average sunshine: 9h).
The month with the least sunshine is January (Average sunshine: 3.6h).

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).
Months with the lowest UV index are January, February, November and December (UV index 2).