Climate normals · 1970–2000
Rennes Climate
Rennes is a city in France (53) with a population of about 227,830. Its average annual temperature is 11.6°C (53°F), with roughly 735 mm of rain per year.
11.6°C
Avg Temp
735
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
Rennes Climate
Rennes has an average annual temperature of 11.6°C (53°F) and receives about 735 mm of precipitation per year. The warmest month is August and the coldest is January. Figures are 1970–2000 climate normals.
11.6°C
Avg Temp
735
Precip (mm/yr)
Aug
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 5° / 42° | 71 mm |
| February | 6° / 43° | 58 mm |
| March | 8° / 47° | 55 mm |
| April | 10° / 49° | 55 mm |
| May | 14° / 56° | 66 mm |
| June | 16° / 61° | 47 mm |
| July | 19° / 65° | 46 mm |
| August | 19° / 65° | 48 mm |
| September | 16° / 61° | 57 mm |
| October | 12° / 54° | 74 mm |
| November | 8° / 47° | 85 mm |
| December | 6° / 43° | 73 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Rennes
The most comfortable months to visit Rennes are typically August, July and June, when temperatures are mildest and rainfall is relatively low. The hottest month is August (around 24°C high). The coldest is January (near 3°C low). November is usually the wettest month.
Where to stay near Rennes
Planning a trip to Rennes? Compare hotels and short-term rentals — live availability and prices.
Top-rated places to stay near Rennes
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Rennes?
Get climate tips and the best lodging deals for Rennes by email. No spam, unsubscribe anytime.
Other cities in France
Frequently Asked Questions
The most comfortable months to visit Rennes are typically August, July and June, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).
Rennes, France has an average annual temperature of 11.6°C and about 735 mm of precipitation per year. The warmest month is August and the coldest is January.
In August, the hottest month, daily highs in Rennes average about 24°C (75°F).
Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.