Best Time to Visit Saint-Quentin-en-Yvelines
Best time: Aug, Jun, Jul, Sep.
Aug is warmest (23.9°C high); May is rainiest (62 mm).
Saint-Quentin-en-Yvelines weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 5.9 | 0.9 | 55 | 1.4 |
| Feb | 7.1 | 0.9 | 49 | 2.6 |
| Mar | 10.8 | 3.1 | 49 | 4.7 |
| Apr | 13.7 | 4.8 | 51 | 6.9 |
| May | 18 | 8.5 | 62 | 8.3 |
| Jun | 21 | 11.2 | 54 | 8.9 |
| Jul | 23.7 | 13.5 | 58 | 8.9 |
| Aug | 23.9 | 13.4 | 43 | 7.7 |
| Sep | 19.8 | 10.5 | 54 | 5.7 |
| Oct | 14.9 | 7.5 | 61 | 3.4 |
| Nov | 9.5 | 3.6 | 55 | 1.7 |
| Dec | 6.9 | 2 | 61 | 1.2 |
Average high temperature
Best months by activity
Overall: AugJunJulSep
Beaches: AugJulJun
Hiking: AugJunJulApr
Sightseeing: AugJunJulMay
Saint-Quentin-en-Yvelines 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 Saint-Quentin-en-Yvelines?
Aug, Jun, Jul, Sep.
What is the rainiest month?
May, about 62 mm.
What is the warmest month?
Aug, with average highs of 23.9°C.
Where to stay
See Saint-Quentin-en-Yvelines hotels · Book Saint-Quentin-en-Yvelines tours & activities
All destinations · Best time to visit Paris · Best time to visit Villeurbanne · Best time to visit Paris 15 Vaugirard · Best time to visit Tours
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.