Seine-Maritime (Rouen)
August
Weather in Seine-Maritime for August 2025
Your guide to Seine-Maritime weather in August - trends and predictions
In general, the average temperature in Seine-Maritime at the beginning of August is 22 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 21.7 °C by the end of August.
Seine-Maritime experiences an exceptionally high level of rainfall in August, with more than 20 rainy days on average.
Is August a good time to visit Seine-Maritime? check out the best time to travel to Seine-Maritime page.
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9
Dry days
22
Rainy days
0
Snow days
22°/13°
Temperatures
21 km/h
Avg max wind
76 %
Avg humidity
Seine-Maritime in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  24° | 2  22° | 3  21° | ||||
| 4 20° | 5 23° | 6 23° | 7 21° | 8  22° | 9 24° | 10  27° |
| 11 27° | 12 29° | 13 24° | 14 25° | 15 24° | 16 22° | 17 26° |
| 18 25° | 19 26° | 20 23° | 21  22° | 22 26° | 23 26° | 24 26° |
| 25 21° | 26 22° | 27 23° | 28 24° | 29 21° | 30 19° | 31  22° |
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Temperatures trend during August in Seine-Maritime
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Aug. | Patchy rain possible | 24° /15° | 4.9 mm | 6 | |
| 2 Aug. | Moderate or heavy rain shower | 22° /14° | 20.5 mm | 5 | |
| 3 Aug. | Heavy rain at times | 21° /14° | 4.2 mm | 5 | |
| 4 Aug. | Moderate or heavy rain shower | 20° /12° | 2.8 mm | 5 | |
| 5 Aug. | Moderate rain at times | 23° /12° | 1.6 mm | 6 | |
| 6 Aug. | Patchy rain possible | 23° /13° | 0.5 mm | 5 | |
| 7 Aug. | Patchy rain possible | 21° /11° | 0.3 mm | 5 | |
| 8 Aug. | Overcast | 22° /12° | 0.6 mm | 5 | |
| 9 Aug. | Patchy rain possible | 24° /14° | 0.5 mm | 5 | |
| 10 Aug. | Partly cloudy | 27° /14° | 0 mm | 7 | |
| 11 Aug. | Heavy rain at times | 27° /16° | 3.3 mm | 7 | |
| 12 Aug. | Patchy rain possible | 29° /17° | 2.7 mm | 7 | |
| 13 Aug. | Patchy rain possible | 24° /14° | 1.3 mm | 6 | |
| 14 Aug. | Partly cloudy | 25° /14° | 0 mm | 7 | |
| 15 Aug. | Patchy rain possible | 24° /13° | 0.3 mm | 6 | |
| 16 Aug. | Partly cloudy | 22° /13° | 0.8 mm | 6 | |
| 17 Aug. | Overcast | 26° /15° | 0.6 mm | 6 | |
| 18 Aug. | Moderate rain at times | 25° /15° | 2 mm | 6 | |
| 19 Aug. | Patchy rain possible | 26° /14° | 0.9 mm | 7 | |
| 20 Aug. | Partly cloudy | 23° /13° | 1.1 mm | 6 | |
| 21 Aug. | Sunny | 22° /12° | 0 mm | 6 | |
| 22 Aug. | Partly cloudy | 26° /12° | 0 mm | 7 | |
| 23 Aug. | Sunny | 26° /15° | 0.4 mm | 6 | |
| 24 Aug. | Moderate or heavy rain shower | 26° /15° | 6.8 mm | 6 | |
| 25 Aug. | Light rain shower | 21° /11° | 1.7 mm | 5 | |
| 26 Aug. | Patchy rain possible | 22° /10° | 2.6 mm | 6 | |
| 27 Aug. | Light rain shower | 23° /11° | 0.8 mm | 6 | |
| 28 Aug. | Light rain shower | 24° /13° | 0.3 mm | 6 | |
| 29 Aug. | Patchy rain possible | 21° /11° | 0.7 mm | 5 | |
| 30 Aug. | Light rain shower | 19° /11° | 1.6 mm | 4 | |
| 31 Aug. | Light rain | 22° /12° | 4 mm | 5 | |
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Important Notice
Our weather forecast for Seine-Maritime in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Seine-Maritime forecast closer to your planned date for the most up-to-date weather information.
Seine-Maritime in August - FAQ
What are the expected maximum and minimum temperatures in Seine-Maritime during August?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Seine-Maritime during August?
Significant rainfall exceeding 117.1 mm is expected in Seine-Maritime during August, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Seine-Maritime during August?
The average wind speed in Seine-Maritime during August is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Seine-Maritime in August?
As you prepare for your trip to Seine-Maritime in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Seine-Maritime, during August, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
August rainfall patterns in Seine-Maritime
Explore the daily rainfall trends and prepare for Seine-Maritimes August weather 💧
UV exposure in Seine-Maritime during August
Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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