Climate averages 1991–2020
Cergy-Pontoise 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 Cergy-Pontoise: daytime highs average 15.8°C and nights cool to about 9.2°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 62 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 Argenteuil (16 km away). In October its highs average 16.0°C, about as warm as Cergy-Pontoise, with 62 mm of rain.
Among the 57 cities listed in France, Cergy-Pontoise ranks joint 39th of 57 for the warmest October highs and joint 2nd of 57 for the driest October (rainfall, lowest first). The mean October high of those 57 cities is 16.8°C; Cergy-Pontoise is 1.1°C cooler than that mean.
From October to November, average highs fall by 5.2°C to 10.6°C, and monthly rainfall falls from 62 mm to 60 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
Cergy-Pontoise climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.0°C2.1°C | 2.1°C | 55 | 11.3 | 8.79 h |
| February | 8.2°C1.9°C | 1.9°C | 48 | 9.9 | 10.110 h |
| March | 11.5°C3.7°C | 3.7°C | 52 | 10.5 | 11.912 h |
| April | 14.8°C5.9°C | 5.9°C | 51 | 11.0 | 13.714 h |
| May | 18.2°C9.5°C | 9.5°C | 64 | 11.3 | 15.315 h |
| June | 21.4°C12.7°C | 12.7°C | 57 | 10.1 | 16.116 h |
| July | 23.6°C14.8°C | 14.8°C | 51 | 9.1 | 15.816 h |
| August | 23.8°C14.8°C | 14.8°C | 58 | 9.2 | 14.414 h |
| September | 20.3°C12.0°C | 12.0°C | 44 | 8.5 | 12.713 h |
| October, selected | 15.8°C9.2°C | 9.2°C | 62 | 11.1 | 10.811 h |
| November | 10.6°C5.4°C | 5.4°C | 60 | 11.3 | 9.29 h |
| December | 7.4°C2.7°C | 2.7°C | 70 | 12.6 | 8.38 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
- Argenteuil in OctoberFrance · 16 kmHigh 16.0°C · Low 9.2°C · 62 mm rain
- Boulogne-Billancourt in OctoberFrance · 26 kmHigh 16.1°C · Low 9.5°C · 62 mm rain
- Versailles in OctoberFrance · 26 kmHigh 15.5°C · Low 8.8°C · 62 mm rain
- Paris 15 Vaugirard in OctoberFrance · 27 kmHigh 16.1°C · Low 9.2°C · 62 mm rain
- Paris in OctoberFrance · 29 kmHigh 16.1°C · Low 9.0°C · 62 mm rain
- Saint-Quentin-en-Yvelines in OctoberFrance · 30 kmHigh 15.4°C · Low 8.6°C · 63 mm rain
- Paris 20 Ménilmontant in OctoberFrance · 30 kmHigh 15.7°C · Low 8.7°C · 63 mm rain
- Paris 13 Gobelins in OctoberFrance · 31 kmHigh 16.0°C · Low 9.0°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 Cergy-Pontoise) is explained once on the Cergy-Pontoise year overview and on the Sources, method and limits page.