Paris Weather In October

Paris Weather in October: Overview

October marks the transition from mild autumn to the cooler onset of winter in Paris. Average daytime temperatures typically range from 14 °C to 18 °C, while nighttime lows often fall between 8 °C and 11 °C. The city receives moderate rainfall, with an average of 50 mm to 60 mm spread over roughly 10 to 12 days of the month. Daylight decreases steadily, offering about 10 to 11 hours of sunshine early in the month and dropping to near 9 hours by the end.

Temperature Trends Throughout the Month

Early October

During the first week, temperatures are still reminiscent of late summer. Highs can reach 19 °C on particularly sunny days, and evenings remain comfortable around 12 °C. Light layers such as a long‑sleeve shirt paired with a cardigan or a light jacket are usually sufficient.

Mid‑October

By the second and third weeks, a noticeable chill sets in. Daytime highs settle between 15 °C and 17 °C, while lows dip to 9 °C–10 °C. Rain showers become more frequent, though they are often brief and interspersed with clear periods.

Late October

The final days of October bring the coolest conditions of the month. Expect daytime temperatures around 13 °C–15 °C and nighttime temperatures that can approach 7 °C. A warmer coat, scarf, and possibly gloves become advisable, especially for evening outings.

Precipitation and Humidity

October’s rainfall is fairly evenly distributed, with no single week dominating the total. The probability of rain on any given day is roughly 30 %. Humidity levels remain moderate, averaging between 70 % and 80 % and 80%, which can make the air feel slightly cooler than the thermometer suggests, particularly when wind picks up from the northwest.