Click on a day for an hourly weather forecast
The temperatures in Rouen in August are comfortable with low of 13°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Rouen during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Rouen in August 2025.
If you’re planning to visit Rouen in the near future, we highly recommend that you review the 14 day weather forecast for Rouen before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 8 | 18 | 5 | 79 mm | Awful | Rouen in January |
| February | 7° / 2° | 7 | 16 | 5 | 64 mm | Awful | Rouen in February |
| March | 11° / 3° | 6 | 24 | 1 | 60 mm | Ok | Rouen in March |
| April | 14° / 5° | 4 | 25 | 1 | 51 mm | Good | Rouen in April |
| May | 16° / 8° | 6 | 25 | 0 | 76 mm | Good | Rouen in May |
| June | 20° / 11° | 5 | 25 | 0 | 88 mm | Good | Rouen in June |
| July | 22° / 13° | 5 | 26 | 0 | 80 mm | Good | Rouen in July |
| August | 22° / 13° | 4 | 27 | 0 | 66 mm | Good | Rouen in August |
| September | 20° / 11° | 4 | 26 | 0 | 51 mm | Good | Rouen in September |
| October | 15° / 9° | 5 | 26 | 0 | 64 mm | Good | Rouen in October |
| November | 10° / 5° | 8 | 22 | 1 | 74 mm | Bad | Rouen in November |
| December | 7° / 3° | 8 | 20 | 3 | 89 mm | Awful | Rouen in December |