Weather in Rennes in July 2025
- July is usually the driest month of the year in Rennes
Average weather
Average temperature in Rennes in July
The expected average maximum temperature in July is +23°C with a maximum of +31°C and a minimum of +10°C.
The average maximum temperature goes down 5% by the end of the month, compared with the beginning of the month, from +22°C to +21°C.
Is Rennes warm or cold in July?
Rennes is typically warm in July.
Maximum temperatures go up compared to the previous month from +21°C to +23°C. The minimum temperature also goes up from +12°C to +14°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
July is one of the warmest months in Rennes, here is the comparison with other months:
Climate in Rennes in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +21°C | +23°C | +23°C | ||||
| Min. temperature | ||||||
| +3°C | +7°C | +6°C | ||||
| Max. temperature | ||||||
| +38°C | +40°C | +38°C | ||||
| Rainfall | ||||||
| 55 mm | 49 mm | 42 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 74% | 73% | 74% | ||||
| Air pressure | ||||||
| 1016 HPa | 1016 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 7 | 7 | 7 | ||||
| Cloudy days | ||||||
| 7 | 8 | 8 | ||||
| Rainy days | ||||||
| 15 | 14 | 14 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as good as in June. It’s getting warmer as July arrives. The average maximum temperature goes up from +21°C to +23°C during the day. As July arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 55 mm to 49 mm. It feels drier, as humidity decreases from 74% to 73%. The average wind speed doesn’t change much during July, staying around 2 m/s. The amount of sunny days stay about the same, averaging 7 sunny days during the month.
August brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Rennes is gradually increasing during July, going from 4 m/s to 5 m/s over the course of the month.
Rain
How was the weather last July in Rennes?
Climate Change over Years
The climate in Rennes in July has not changed much over the last 43 years.
The average temperature was the lowest in 1986 (+14°C) and the highest in 2022 (+18°C). The driest year was 1996 with only 390 mm of rainfall, and the wettest year was 2000 with 878 mm.
FAQ
Is July a good time to visit Rennes?
Can you sunbathe in Rennes in July?
Is Rennes rainy in July?
Is it sunny in Rennes in July?
Other cities in France
Monthly weather in Rennes
Source of the data
For this page, we’ve looked at the typical weather in Rennes, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.