Best Time to Visit Rennes, Ille-et-Vilaine, France
Rennes is at its sunniest and driest in June–August.
The best time to visit Rennes for sunny, dry weather is June–August — 3 months of the year fit our sunny profiles at this specific location. The drier stretch runs through February–April and June–September; the wetter half falls in May and October–January. At the city itself, monthly average temperatures range from 5.4°C / 41.7°F in January to 18.7°C / 65.7°F in July, with rainfall from 45 mm / 1.8 in (July) to 85 mm / 3.3 in (November). These are point-value climate normals sampled at Rennes, Ille-et-Vilaine, France's coordinates — usually more actionable for travellers than the country-wide average. Rennes's climate is broadly seasonal. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| June | 16.3°C61.3°F | 47 mm1.9″ | Sunny & Mild |
| July | 18.7°C65.7°F | 45 mm1.8″ | Sunny & Mild |
| August | 18.7°C65.7°F | 50 mm2″ | Sunny & Mild |
Frequently asked questions
When is the best time to visit Rennes?
The best time to visit Rennes for sunny, dry weather is June, July, August. At the city itself, the warmest month is July averaging 18.7°C / 65.7°F, and the driest is July with about 45 mm / 1.8 in of rain. These are point-value climate normals sampled at Rennes's coordinates.
When is the rainy season in Rennes?
The rainy season at Rennes, Ille-et-Vilaine runs through May and October–January, when monthly rainfall exceeds the annual median of about 58 mm / 2.3 in. The wettest single month is November (85 mm / 3.3 in).
What is the driest month in Rennes?
The driest month in Rennes is July, averaging about 45 mm / 1.8 in of rainfall. Temperature that month averages 18.7°C / 65.7°F.
What months should I avoid visiting Rennes?
The least comfortable months for travel to Rennes — based on point-value climate at the city — are January, February, March, October, November, December. These are the wettest or coolest months at this location. Rainfall peaks at 85 mm / 3.3 in in November, and the coldest month averages 5.4°C / 41.7°F.
Is Rennes climate different from France overall?
Yes, usually. Our Rennes figures are point-value climate normals sampled at the city itself, while our France figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Rennes specifically — usually the more actionable data for a traveller planning to spend time in the city.