Year-round weather and climate in Saint-Quentin-en-Yvelines, France
Average temperatures in Saint-Quentin-en-Yvelines run from an average low of 2°C36°F in January up to an average high of 24°C75°F in August. February is the driest month at 8 rainy days; March the wettest at 15 rainy days. Here is the annual climate data, so you know what you are packing for.
Good to know
- Population
- 147K
- Currency
- EUR
- Language
- French
- Time zone
- Paris
Best time to visit
The most pleasant weather falls in June, July, and August, offering a perfect balance of comfortable temperatures and clear skies.
Rain character
Moderate Showers: Rainfall is standard and manageable. A compact travel umbrella or light rain jacket will easily get you through any wet days.
Day-to-night swing
Evening Chill: Temperatures drop by a noticeable <span class="val-c">10°C</span><span class="val-f">18°F</span> when the sun goes down. A light sweater or jacket is usually all you need for evening plans.
Seasonality Profile
Temperate Year-Round: A relatively mild climate year-round, avoiding both extreme temperature swings and dramatic dry/wet seasons.
Evening vibe
Cozy Indoor Culture: Evenings are generally crisp, damp, or sweltering. Nightlife centers around indoor venues.
Sightseeing stamina
All-Day Strolling: Weather is generally forgiving for long walking days. Comfortable sneakers are your most important packing item.
Average temperatures, sunshine, and rainfall
Average monthly weather in Saint-Quentin-en-Yvelines, based on recent historical data. Essential insights on temperature swings, expected rainfall, and daily sunshine.
Bars span the average daily low to high. Feb is typically driest at 8 rainy days (48mm); Mar the wettest at 15 rainy days (71mm).
| Month | Average high | Average low | Daily sunshine | Rainy days | Total rainfall |
|---|---|---|---|---|---|
| Jan | 7°C / 44°F | 2°C / 35°F | 3h | 13 | 85mm |
| Feb | 9°C / 48°F | 3°C / 38°F | 4h | 8 | 48mm |
| Mar | 12°C / 54°F | 4°C / 40°F | 7h | 15 | 71mm |
| Apr | 15°C / 59°F | 6°C / 43°F | 10h | 13 | 56mm |
| May | 19°C / 65°F | 10°C / 49°F | 11h | 14 | 93mm |
| Jun | 24°C / 75°F | 14°C / 56°F | 13h | 12 | 62mm |
| Jul | 24°C / 75°F | 15°C / 58°F | 11h | 15 | 90mm |
| Aug | 24°C / 76°F | 15°C / 59°F | 11h | 12 | 91mm |
| Sep | 21°C / 69°F | 13°C / 55°F | 8h | 11 | 84mm |
| Oct | 17°C / 62°F | 10°C / 49°F | 6h | 13 | 93mm |
| Nov | 11°C / 51°F | 6°C / 42°F | 4h | 13 | 78mm |
| Dec | 8°C / 47°F | 4°C / 39°F | 3h | 10 | 49mm |
Weather data by Open-Meteo.com (opens in a new tab)
Frequently Asked Questions
When is the sunniest time of year to visit Saint-Quentin-en-Yvelines?
June is the sunniest month in Saint-Quentin-en-Yvelines, averaging 13 hours of sunshine a day. Pack sunglasses and high-SPF sunscreen.
What clothes should I pack for Saint-Quentin-en-Yvelines?
Your packing list depends entirely on when you travel. Temperatures in Saint-Quentin-en-Yvelines swing from an average low of 2°C36°F in January up to 24°C75°F in August. The Packola app builds a tailored packing list for you based on the live weather forecast for your exact travel dates.
Do I need to pack an umbrella for Saint-Quentin-en-Yvelines?
Saint-Quentin-en-Yvelines gets rain on about 149 days a year, with March being the wettest. If you're traveling then, pack an umbrella and a light rain jacket.
Pack smarter.
Averages get you close, but the week you travel is what matters. Get the live forecast, a smart packing list, and discover the best local spots and activities in Saint-Quentin-en-Yvelines with Packola.
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