Weather in Cergy-Pontoise for August 2026
- In general, the average temperature in Cergy-Pontoise at the beginning of August is 24.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 24.1 °C by the end of August. 
- The climate of Cergy-Pontoise in August is notably wet, with an average of 15 rainy days, and a total of 86.9 mm of precipitation. 
- Is August a good time to visit Cergy-Pontoise? check out the best time to travel to Cergy-Pontoise page. 
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Cergy-Pontoise Weather August
Temperatures trend during August in Cergy-Pontoise
August weather in Cergy-Pontoise day by day
| Date | Weather | Temperatures | Rain | UV | More | 
|---|---|---|---|---|---|
| 1 Aug. | Moderate or heavy rain shower | 25° /17° | 5.2 mm | 6 | |
| 2 Aug. | Moderate or heavy rain shower | 24° /15° | 11.4 mm | 5 | |
| 3 Aug. | Heavy rain at times | 24° /13° | 3.1 mm | 5 | |
| 4 Aug. | Heavy rain at times | 25° /14° | 0.7 mm | 6 | |
| 5 Aug. | Heavy rain at times | 24° /14° | 1.4 mm | 6 | |
| 6 Aug. | Partly cloudy | 25° /14° | 0.2 mm | 6 | |
| 7 Aug. | Patchy rain possible | 26° /14° | 0.4 mm | 6 | |
| 8 Aug. | Overcast | 27° /14° | 0.2 mm | 6 | |
| 9 Aug. | Patchy rain possible | 27° /16° | 0.3 mm | 6 | |
| 10 Aug. | Sunny | 29° /14° | 0.1 mm | 7 | |
| 11 Aug. | Heavy rain at times | 30° /17° | 3.4 mm | 7 | |
| 12 Aug. | Sunny | 33° /20° | 3.4 mm | 8 | |
| 13 Aug. | Patchy rain possible | 29° /18° | 2.4 mm | 6 | |
| 14 Aug. | Cloudy | 30° /18° | 1.4 mm | 7 | |
| 15 Aug. | Patchy rain possible | 29° /17° | 0.1 mm | 7 | |
| 16 Aug. | Partly cloudy | 28° /16° | 0.9 mm | 7 | |
| 17 Aug. | Overcast | 26° /15° | 9.7 mm | 6 | |
| 18 Aug. | Cloudy | 27° /15° | 0.6 mm | 6 | |
| 19 Aug. | Overcast | 29° /17° | 0.5 mm | 7 | |
| 20 Aug. | Light rain shower | 25° /15° | 3.6 mm | 6 | |
| 21 Aug. | Partly cloudy | 25° /14° | 0 mm | 6 | |
| 22 Aug. | Sunny | 28° /14° | 0 mm | 7 | |
| 23 Aug. | Sunny | 27° /15° | 0 mm | 7 | |
| 24 Aug. | Moderate or heavy rain shower | 28° /16° | 6.4 mm | 7 | |
| 25 Aug. | Light rain shower | 25° /14° | 0.5 mm | 6 | |
| 26 Aug. | Overcast | 26° /14° | 0.2 mm | 7 | |
| 27 Aug. | Overcast | 25° /14° | 0.2 mm | 6 | |
| 28 Aug. | Light rain shower | 26° /14° | 0.8 mm | 6 | |
| 29 Aug. | Light rain shower | 23° /14° | 4.4 mm | 6 | |
| 30 Aug. | Light rain shower | 21° /13° | 1.3 mm | 5 | |
| 31 Aug. | Light drizzle | 23° /14° | 3.3 mm | 5 | |
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Cergy-Pontoise weather in August vs July vs September
| July | August | September | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible | 
| Temperatures | 25°/15° | 25°/15° | 23°/14° | 
| Rainfall | 65 mm | 87 mm | 74 mm | 
| Wind | 18.3 km/h | 16.2 km/h | 17.2 km/h | 
| Humidity | 63% | 64% | 65% | 
| Rainy days | 19 days | 15 days | 13 days | 
| Dry days | 12 days | 16 days | 17 days | 
Planning a trip to Cergy-Pontoise? Discover the best time to visit
Cergy-Pontoise in August - FAQ
What to pack to Cergy-Pontoise in August?
As you prepare for your trip to Cergy-Pontoise 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 Cergy-Pontoise, during August, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable 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
- Umbrellas/Raincoats: For rainy days
 
August rainfall patterns in Cergy-Pontoise
UV exposure in Cergy-Pontoise during August
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Get accurate weather forecasts for Cergy-Pontoise, located at latitude 49.039 and longitude 2.078. Stay updated with localized weather information tailored for Cergy-Pontoise.