Rennes weather in October
Temperature, rain and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Fair
Best time to visit: May – September
What is the weather like in Rennes in October?
In October, Rennes is mild: daytime highs average 17 °C, and nights cool down to about 10 °C. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 12 rainy days and 74 mm in total. All in all, October is a so-so month for a holiday in Rennes.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 81 | 59 | 34 |
| Day | 21° | 17° | 12° |
| Night | 12° | 10° | 6° |
| Sun | 6 h | 4 h | 3 h |
| Rain days | 8 | 12 | 12 |
More details for October
- Daylight
- 10 h 56 min08:24 – 19:20
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 69 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 50 %87 %
- Sunshineweight 20 %12 %
- Few rainy daysweight 30 %44 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Rennes in October: quick answers
Is Rennes hot in October?
No. In October, Rennes is mild: daytime highs average 17 °C and nights drop to about 10 °C.
Does it rain much in Rennes in October?
Rain is frequent, with about 12 rainy days and 74 mm in total.
Rennes month by month
The whole year in RennesAll destinations: FranceWhere to go in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences