Best Time to Visit Cergy-Pontoise
Best time: Aug, Jun, Jul, Sep.
Jul is warmest (24.3°C high); May is rainiest (60 mm).
Cergy-Pontoise weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 6.6 | 1.6 | 51 | 1.4 |
| Feb | 7.9 | 1.7 | 44 | 2.5 |
| Mar | 11.5 | 3.8 | 45 | 4.6 |
| Apr | 14.5 | 5.4 | 48 | 6.8 |
| May | 18.7 | 9.2 | 60 | 8.2 |
| Jun | 21.7 | 12 | 53 | 8.8 |
| Jul | 24.3 | 14.1 | 53 | 8.8 |
| Aug | 24.3 | 13.8 | 42 | 7.5 |
| Sep | 20.4 | 11.1 | 52 | 5.6 |
| Oct | 15.6 | 8 | 57 | 3.3 |
| Nov | 10.3 | 4.3 | 51 | 1.7 |
| Dec | 7.8 | 2.7 | 58 | 1.1 |
Average high temperature
Best months by activity
Overall: AugJunJulSep
Beaches: AugJulJun
Hiking: AugJunJulApr
Sightseeing: AugJunJulMay
Cergy-Pontoise quick facts
What to pack
Cold months (Jan, Feb, Mar, Nov, Dec): warm layers and a coat.
Frequently asked questions
When is the best time to visit Cergy-Pontoise?
Aug, Jun, Jul, Sep.
What is the rainiest month?
May, about 60 mm.
What is the warmest month?
Jul, with average highs of 24.3°C.
Where to stay
See Cergy-Pontoise hotels · Book Cergy-Pontoise tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.