Climate averages 1991–2020
Saint-Quentin-en-Yvelines weather
in October.
A mild, moderately wet month: the 6th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a mild month in Saint-Quentin-en-Yvelines: daytime highs average 15.4°C and nights cool to about 8.6°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 63 mm of rain on roughly 11 days, which makes October a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 51 min on an average October day.
The nearest other city in this atlas is Versailles (9 km away). In October its highs average 15.5°C, about as warm as Saint-Quentin-en-Yvelines, with 62 mm of rain.
Among the 57 cities listed in France, Saint-Quentin-en-Yvelines ranks joint 46th of 57 for the warmest October highs and joint 10th of 57 for the driest October (rainfall, lowest first). The mean October high of those 57 cities is 16.8°C; Saint-Quentin-en-Yvelines is 1.5°C cooler than that mean.
From October to November, average highs fall by 5.3°C to 10.1°C, and monthly rainfall falls from 63 mm to 59 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Saint-Quentin-en-Yvelines climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 6.5°C1.5°C | 1.5°C | 53 | 11.3 | 8.89 h |
| February | 7.7°C1.2°C | 1.2°C | 47 | 10.0 | 10.110 h |
| March | 11.1°C3.0°C | 3.0°C | 51 | 10.6 | 11.912 h |
| April | 14.3°C5.2°C | 5.2°C | 52 | 10.9 | 13.714 h |
| May | 17.7°C8.9°C | 8.9°C | 67 | 11.6 | 15.215 h |
| June | 20.9°C12.1°C | 12.1°C | 60 | 10.4 | 16.116 h |
| July | 23.3°C14.2°C | 14.2°C | 55 | 9.1 | 15.716 h |
| August | 23.4°C14.2°C | 14.2°C | 58 | 8.9 | 14.414 h |
| September | 19.9°C11.3°C | 11.3°C | 48 | 8.5 | 12.613 h |
| October, selected | 15.4°C8.6°C | 8.6°C | 63 | 11.2 | 10.911 h |
| November | 10.1°C4.7°C | 4.7°C | 59 | 11.1 | 9.29 h |
| December | 6.9°C2.0°C | 2.0°C | 68 | 12.4 | 8.48 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Versailles in OctoberFrance · 9 kmHigh 15.5°C · Low 8.8°C · 62 mm rain
- Boulogne-Billancourt in OctoberFrance · 18 kmHigh 16.1°C · Low 9.5°C · 62 mm rain
- Paris 15 Vaugirard in OctoberFrance · 22 kmHigh 16.1°C · Low 9.2°C · 62 mm rain
- Paris 13 Gobelins in OctoberFrance · 26 kmHigh 16.0°C · Low 9.0°C · 62 mm rain
- Argenteuil in OctoberFrance · 26 kmHigh 16.0°C · Low 9.2°C · 62 mm rain
- Paris in OctoberFrance · 26 kmHigh 16.1°C · Low 9.0°C · 62 mm rain
- Paris 20 Ménilmontant in OctoberFrance · 30 kmHigh 15.7°C · Low 8.7°C · 63 mm rain
- Cergy-Pontoise in OctoberFrance · 30 kmHigh 15.8°C · Low 9.2°C · 62 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Saint-Quentin-en-Yvelines) is explained once on the Saint-Quentin-en-Yvelines year overview and on the Sources, method and limits page.