What’s the climate like in Rennes?
The current climate of Rennes features average monthly temperatures ranging from highs of 25°C during the day to lows of 10°C. The average yearly temperature is around 18°C. At night, temperatures in the colder months average around 3°C and in the warmer months around 14°C.
The highest temperature recorded in Rennes in recent years was 40°C in July 2022. The lowest daytime temperature recorded was -4°C in December 2016.
On average, Rennes receives 621 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
Curious about the climate in other parts of France? Check out the weather and climate in places like Paris, Côte d'Azur, or have a look at other destinations in France.
Best time to visit Rennes?
The best time to visit Rennes for sunny weather is May through October. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Rennes. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Rennes
The climate table of Rennes shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 10 | 11 | 13 | 17 | 20 | 23 | 25 | 24 | 22 | 18 | 13 | 11 |
| Temp. min (°C) | 4 | 4 | 5 | 7 | 10 | 13 | 15 | 14 | 13 | 10 | 7 | 5 |
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| Precipitation (mm) | 61 | 68 | 41 | 35 | 42 | 64 | 30 | 45 | 38 | 70 | 66 | 61 |
| UV Index | 2 | 3 | 5 | 6 | 7 | 7 | 7 | 6 | 6 | 4 | 2 | 2 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 18°C
- Highest temperature: 25°C in July
- Lowest temperature: 10°C in January
- Precipitation: 621 mm per year, averaging 52 mm per month
- Driest months: 30 mm in July, 35 mm in April and 38 mm in September
- Wettest months: 70 mm in October, 68 mm in February and 66 mm in November
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Table of Contents
Average Temperature per Month in Rennes
This graph shows the average maximum temperatures per month in Rennes, France. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Rennes
This graph shows how much precipitation Rennes, France, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in Rennes
This graph shows the average UV index per month in Rennes, France. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Rennes
This graph shows the average yearly temperature in Rennes, France. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Rennes
This chart shows the total yearly precipitation in Rennes, France, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences in Rennes
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Average Weather in Rennes by Month
Click on a month below to see detailed weather info for Rennes. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
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