Ille-et-Vilaine (Rennes)
May
Weather in Ille-et-Vilaine for May 2025
Your guide to Ille-et-Vilaine weather in May - trends and predictions
In general, the average temperature in Ille-et-Vilaine at the beginning of May is 16 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 20.3 °C by the end of May.
Ille-et-Vilaine experiences heavy rainfall in May, with over 20 rainy days and an average total precipitation 71.7 mm.
Is May a good time to visit Ille-et-Vilaine? check out the best time to travel to Ille-et-Vilaine page.
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Temperatures
Rain 🌧️
More
8
Dry days
23
Rainy days
0
Snow days
18°/8°
Temperatures
21 km/h
Avg max wind
79 %
Avg humidity
Ille-et-Vilaine in May average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  15° | 2  16° | 3 16° | 4  16° | |||
| 5 16° | 6 16° | 7 17° | 8 19° | 9 20° | 10 19° | 11 18° |
| 12 16° | 13 17° | 14 19° | 15 18° | 16 17° | 17 19° | 18 20° |
| 19 19° | 20  19° | 21 19° | 22 19° | 23 18° | 24  16° | 25  18° |
| 26 19° | 27 20° | 28 21° | 29 21° | 30 21° | 31 22° |
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Temperatures trend during May in Ille-et-Vilaine
See the weather trend as well as the moving average line
May weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May | Moderate rain at times | 15° /6° | 3.3 mm | 4 | |
| 2 May | Partly cloudy | 16° /6° | 1 mm | 4 | |
| 3 May | Partly cloudy | 16° /6° | 0.8 mm | 4 | |
| 4 May | Patchy rain possible | 16° /7° | 1.4 mm | 4 | |
| 5 May | Patchy rain possible | 16° /7° | 2.6 mm | 4 | |
| 6 May | Moderate rain at times | 16° /7° | 5.5 mm | 4 | |
| 7 May | Patchy rain possible | 17° /7° | 0.6 mm | 4 | |
| 8 May | Patchy rain possible | 19° /8° | 0.2 mm | 4 | |
| 9 May | Patchy rain possible | 20° /8° | 4.7 mm | 4 | |
| 10 May | Patchy rain possible | 19° /9° | 2.3 mm | 5 | |
| 11 May | Patchy rain possible | 18° /8° | 1.4 mm | 4 | |
| 12 May | Moderate or heavy rain shower | 16° /7° | 5.7 mm | 4 | |
| 13 May | Moderate or heavy rain shower | 17° /7° | 4.1 mm | 4 | |
| 14 May | Patchy rain possible | 19° /7° | 1.4 mm | 5 | |
| 15 May | Moderate or heavy rain shower | 18° /9° | 4.8 mm | 4 | |
| 16 May | Patchy rain possible | 17° /8° | 2.4 mm | 4 | |
| 17 May | Moderate or heavy rain shower | 19° /8° | 3.3 mm | 5 | |
| 18 May | Moderate or heavy rain shower | 20° /9° | 1.8 mm | 5 | |
| 19 May | Moderate rain at times | 19° /8° | 2.1 mm | 4 | |
| 20 May | Cloudy | 19° /9° | 3.6 mm | 4 | |
| 21 May | Patchy rain possible | 19° /9° | 1.8 mm | 5 | |
| 22 May | Moderate rain at times | 19° /9° | 2.4 mm | 4 | |
| 23 May | Patchy rain possible | 18° /7° | 5.6 mm | 4 | |
| 24 May | Heavy rain at times | 16° /7° | 3.8 mm | 4 | |
| 25 May | Overcast | 18° /7° | 0.4 mm | 4 | |
| 26 May | Patchy rain possible | 19° /9° | 1.3 mm | 5 | |
| 27 May | Patchy rain possible | 20° /8° | 0.7 mm | 5 | |
| 28 May | Cloudy | 21° /9° | 0.3 mm | 5 | |
| 29 May | Partly cloudy | 21° /10° | 1.7 mm | 5 | |
| 30 May | Overcast | 21° /9° | 0.2 mm | 5 | |
| 31 May | Cloudy | 22° /9° | 0.4 mm | 5 | |
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Important Notice
Our weather forecast for Ille-et-Vilaine 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 Ille-et-Vilaine forecast closer to your planned date for the most up-to-date weather information.
Ille-et-Vilaine in May - FAQ
What are the expected maximum and minimum temperatures in Ille-et-Vilaine during May?
Enjoy moderate daytime temperatures of up to 18° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Ille-et-Vilaine during May?
Moderate rainfall is anticipated in Ille-et-Vilaine during May, with a total of 71.7 mm spread over approximately 23 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Ille-et-Vilaine during May?
The average wind speed in Ille-et-Vilaine during May is 21 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Ille-et-Vilaine in May?
As you prepare for your trip to Ille-et-Vilaine 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 Ille-et-Vilaine, 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 Ille-et-Vilaine
Explore the daily rainfall trends and prepare for Ille-et-Vilaines May weather 💧
UV exposure in Ille-et-Vilaine during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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