Weather in Rennes in August
How warm is it in Rennes in August?
In August the typical daytime high in Rennes is 23.3 °C on average, from 23.4 °C at the start to 22.7 °C at the end of the month.
That is about as warm as in July and 2.2 °C warmer than in September.
The last 10 years were 1.9 °C warmer than more than 40 years ago.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
The average of the weather stations Nantes-Bouguenais (107 km), Belle Ile - Le Talut (147 km) and Pte De La Hague (181 km); nearer ones count more.