August weather forecast
Rouen, France

Weather in August

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

Temperature

The warmest month 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).

Humidity

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

Rainfall

In August, in Rouen, France, the rain falls for 16.3 days. Throughout August, 41mm (1.61") of precipitation is accumulated. Throughout the year, there are 189.9 rainfall days, and 524mm (20.63") of precipitation is accumulated.

Snowfall

In Rouen snow does not fall in April through October.

Daylight

In Rouen, the average length of the day is 14.4h.

Sunshine

In August, the average sunshine in Rouen is 8.1h.

UV index

The average daily maximum UV index in August is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 4 in August transform into the following instructions:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Rouen?

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.

What is the least humid month in Rouen?

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

What is the average humidity in August in Rouen?

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

How many days does it rain in August in Rouen?

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.

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

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

How long on average sun shines in August in Rouen?

In Rouen, the average sunshine in August is 8.1h.

What is the UV index reading in August in Rouen?

In August, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in August
Rouen, France

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).

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Average pressure in August
Rouen, France

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).

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Average wind speed in August
Rouen, France

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).

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Average humidity in August
Rouen, France

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%).

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Average rainfall in August
Rouen, France

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).

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Average rainfall days in August
Rouen, France

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).

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Average snowfall in August
Rouen, France

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).

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Average snowfall days in August
Rouen, France

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).

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Average daylight in August /
Average sunshine in August
Rouen, France

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).

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Average sunshine days in August
Rouen, France

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).

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Average UV index in August
Rouen, France

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).

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Average cloud cover in August
Rouen, France

Average cloud cover in August - Rouen, France
  • Average cloud cover in August: 47

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).

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Average visibility in August
Rouen, France

Average visibility in August - Rouen, France
  • Average visibility in August: 8km

Months with the highest visibility are February, March, April and December (9km).
Months with the lowest visibility are January, May, June, July, August, September, October and November (8km).

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