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 16.6 °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 sees moderate rainfall in May, averaging 8 rainy days.
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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23
Dry days
8
Rainy days
0
Snow days
20°/8°
Temperatures
21 km/h
Avg max wind
82 %
Avg humidity
Ille-et-Vilaine in May average weather
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| 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° |
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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 | 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 | |
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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 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 Ille-et-Vilaine during May?
Significant rainfall exceeding 154.7 mm is expected in Ille-et-Vilaine during May, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
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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