Rennes
October
Weather in Rennes for October 2025
Your guide to Rennes weather in October - trends and predictions
In general, the average temperature in Rennes at the beginning of October is 20.6 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 15.4 °C by the end of October.
Expect significant rainfall in Rennes during October, with an average of 17 rainy days.
Is October a good time to visit Rennes? check out the best time to travel to Rennes page.
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14
Dry days
17
Rainy days
0
Snow days
19°/10°
Temperatures
25 km/h
Avg max wind
71 %
Avg humidity
Rennes in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  23° | 2  23° | 3  18° | 4  18° | 5 19° | ||
| 6 21° | 7 22° | 8 22° | 9 21° | 10 22° | 11 21° | 12 21° |
| 13  20° | 14 18° | 15 17° | 16 19° | 17 19° | 18  18° | 19 17° |
| 20 18° | 21 14° | 22 17° | 23 16° | 24 18° | 25 15° | 26 14° |
| 27 13° | 28 16° | 29 16° | 30 17° | 31 17° |
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Temperatures trend during October in Rennes
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Oct. | Sunny | 23° /10° | 0 mm | 6 | |
| 2 Oct. | Partly cloudy | 23° /12° | 1 mm | 6 | |
| 3 Oct. | Patchy rain possible | 18° /8° | 0.1 mm | 5 | |
| 4 Oct. | Overcast | 18° /6° | 0 mm | 4 | |
| 5 Oct. | Overcast | 19° /7° | 2.8 mm | 5 | |
| 6 Oct. | Sunny | 21° /10° | 1.5 mm | 6 | |
| 7 Oct. | Sunny | 22° /10° | 2.2 mm | 6 | |
| 8 Oct. | Sunny | 22° /12° | 1.7 mm | 6 | |
| 9 Oct. | Sunny | 21° /12° | 5.1 mm | 5 | |
| 10 Oct. | Sunny | 22° /11° | 1.7 mm | 6 | |
| 11 Oct. | Partly cloudy | 21° /9° | 0.2 mm | 6 | |
| 12 Oct. | Patchy rain possible | 21° /12° | 0.2 mm | 5 | |
| 13 Oct. | Light drizzle | 20° /11° | 0.8 mm | 5 | |
| 14 Oct. | Patchy rain possible | 18° /10° | 0.3 mm | 5 | |
| 15 Oct. | Overcast | 17° /9° | 1.5 mm | 4 | |
| 16 Oct. | Partly cloudy | 19° /10° | 9.3 mm | 5 | |
| 17 Oct. | Patchy rain possible | 19° /9° | 0.5 mm | 5 | |
| 18 Oct. | Moderate rain | 18° /12° | 7 mm | 4 | |
| 19 Oct. | Light rain shower | 17° /11° | 8.4 mm | 4 | |
| 20 Oct. | Light rain shower | 18° /10° | 4.5 mm | 4 | |
| 21 Oct. | Light rain shower | 14° /9° | 14.2 mm | 3 | |
| 22 Oct. | Patchy rain possible | 17° /8° | 0.4 mm | 4 | |
| 23 Oct. | Light rain shower | 16° /8° | 3.9 mm | 5 | |
| 24 Oct. | Light rain shower | 18° /7° | 1.5 mm | 5 | |
| 25 Oct. | Patchy rain possible | 15° /8° | 3.3 mm | 4 | |
| 26 Oct. | Light rain shower | 14° /7° | 4.7 mm | 3 | |
| 27 Oct. | Light drizzle | 13° /9° | 1.8 mm | 3 | |
| 28 Oct. | Light rain shower | 16° /9° | 13.8 mm | 4 | |
| 29 Oct. | Light rain shower | 16° /9° | 6.7 mm | 4 | |
| 30 Oct. | Light rain shower | 17° /8° | 3.4 mm | 5 | |
| 31 Oct. | Patchy light drizzle | 17° /9° | 0.8 mm | 5 | |
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Important Notice
Our weather forecast for Rennes in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Rennes forecast closer to your planned date for the most up-to-date weather information.
Rennes in October - FAQ
What are the expected maximum and minimum temperatures in Rennes during October?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Rennes during October?
Significant rainfall exceeding 118.1 mm is expected in Rennes during October, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Rennes during October?
The average wind speed in Rennes during October is 25 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Rennes in October?
As you prepare for your trip to Rennes in October, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Rennes, during October, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
October rainfall patterns in Rennes
Explore the daily rainfall trends and prepare for Renness October weather 💧
UV exposure in Rennes during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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