Rennes
May
Weather in Rennes for May 2025
Your guide to Rennes weather in May - trends and predictions
In general, the average temperature in Rennes at the beginning of May is 16.6 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.3 °C by the end of May.
Rennes sees moderate rainfall in May, averaging 8 rainy days.
Is May a good time to visit Rennes? check out the best time to travel to Rennes page.
- New! Chat with our AI weatherman - it’s amazing and free.
23
Dry days
8
Rainy days
0
Snow days
20°/8°
Temperatures
21 km/h
Avg max wind
82 %
Avg humidity
Rennes in May average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  15° | 2  17° | 3  17° | 4 17° | |||
| 5  16° | 6 15° | 7 19° | 8 18° | 9 18° | 10 18° | 11 19° |
| 12 17° | 13 17° | 14  18° | 15 15° | 16 16° | 17 17° | 18 18° |
| 19 19° | 20 19° | 21 18° | 22 18° | 23 18° | 24 17° | 25 20° |
| 26  20° | 27 19° | 28 21° | 29 21° | 30 20° | 31 21° |
You can click on date
Access Rennes weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during May in Rennes
See the weather trend as well as the moving average line
May weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Patchy rain possible | 15° /8° | 6.3 mm | 4 | |
| 2 May | Cloudy | 17° /6° | 1.9 mm | 4 | |
| 3 May | Overcast | 17° /6° | 1.6 mm | 4 | |
| 4 May | Patchy rain possible | 17° /8° | 1.3 mm | 4 | |
| 5 May | Moderate rain at times | 16° /10° | 4.9 mm | 4 | |
| 6 May | Moderate rain at times | 15° /8° | 8 mm | 4 | |
| 7 May | Patchy rain possible | 19° /9° | 1 mm | 4 | |
| 8 May | Overcast | 18° /7° | 0.3 mm | 4 | |
| 9 May | Moderate or heavy rain shower | 18° /8° | 8.5 mm | 4 | |
| 10 May | Moderate or heavy rain shower | 18° /8° | 4.2 mm | 5 | |
| 11 May | Patchy rain possible | 19° /8° | 1.4 mm | 5 | |
| 12 May | Patchy rain possible | 17° /9° | 7.6 mm | 4 | |
| 13 May | Overcast | 17° /10° | 3.9 mm | 4 | |
| 14 May | Sunny | 18° /8° | 1.5 mm | 5 | |
| 15 May | Moderate or heavy rain shower | 15° /8° | 3.4 mm | 4 | |
| 16 May | Patchy rain possible | 16° /6° | 1.7 mm | 4 | |
| 17 May | Overcast | 17° /6° | 3.1 mm | 4 | |
| 18 May | Patchy rain possible | 18° /8° | 1.7 mm | 4 | |
| 19 May | Sunny | 19° /7° | 1.8 mm | 5 | |
| 20 May | Patchy rain possible | 19° /8° | 4.5 mm | 4 | |
| 21 May | Overcast | 18° /9° | 3.5 mm | 4 | |
| 22 May | Overcast | 18° /9° | 3.1 mm | 4 | |
| 23 May | Overcast | 18° /8° | 2 mm | 4 | |
| 24 May | Overcast | 17° /7° | 0.1 mm | 4 | |
| 25 May | Cloudy | 20° /8° | 0.3 mm | 5 | |
| 26 May | Partly cloudy | 20° /9° | 1.1 mm | 5 | |
| 27 May | Cloudy | 19° /8° | 1.1 mm | 5 | |
| 28 May | Partly cloudy | 21° /11° | 0.6 mm | 5 | |
| 29 May | Partly cloudy | 21° /12° | 3.1 mm | 5 | |
| 30 May | Sunny | 20° /9° | 0.5 mm | 5 | |
| 31 May | Partly cloudy | 21° /9° | 0.7 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Rennes in May 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 May - FAQ
What are the expected maximum and minimum temperatures in Rennes during May?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Rennes during May?
Significant rainfall exceeding 154.7 mm is expected in Rennes during May, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Rennes during May?
The average wind speed in Rennes during May is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Rennes in May?
As you prepare for your trip to Rennes in May, 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 May, 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
May rainfall patterns in Rennes
Explore the daily rainfall trends and prepare for Renness May weather 💧
UV exposure in Rennes during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
Quick links
You are here
Where is Rennes?Get accurate weather forecasts for Rennes, located at latitude 48.112 and longitude -1.674. Stay updated with localized weather information tailored for Rennes.
Related locations
Select a location for accurate weather forecast
More Locations Found a mistake?
We appreciate your attention to details. Tell us here.