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Rennes in October: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Rennes in October will be like? Take a look at our weather guide for Rennes, based on historical data.
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October

Weather in Rennes in October 2024

OK Weather
Mild
☁️
Cloudy
If you plan to visit Rennes in October, the weather is typically alright, with an average high temperature of +61°F during the day and approximately 5 sunny days. Expect some rainy, though, as there are typically 8 rainy days in the month and around 66 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+61°F
Avg. max. temperature
+27°F
Min.
+82°F
Max.
66 mm
Total precipitation
83%
Avg. humidity
2 m/s
Avg. wind
5 ☀️
Sunny Days
18 ⛅️
Cloudy
8 🌦
Rainy
Our opinion: Rennes has OK weather in October.

Average temperature in Rennes in October

Here are the expected maximum, average and minimum temperatures in Rennes for October based on the historical data.
Last Year
Historical Data

Going from a maximum of +75°F during the day to a minimum of +41°F during the night, the temperature in October averages around +68°F.

The average maximum temperature goes down 21% by the end of the month, compared with the beginning of the month, from +72°F to +64°F.

Is Rennes warm or cold in October?

Rennes is typically mild in October.

Maximum temperatures go down compared to the previous month from +70°F to +61°F. The minimum temperature also goes down from +52°F to +48°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how October is compared to other months in Rennes:

Climate in Rennes in October

Rennes weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+70°F+61°F+54°F
Min. temperature
+37°F+27°F+23°F
Max. temperature
+93°F+82°F+68°F
Rainfall
44 mm66 mm56 mm
Wind
2 m/s2 m/s2 m/s
Humidity
76%83%86%
Air pressure
1016 HPa1014 HPa1014 HPa
Sunny days
954
Cloudy days
161819
Rainy days
587
Snowy days
000

October typically has worse weather conditions compared to September. It’s getting colder in October. From +70°F in the day, the average maximum temperature lowers to +61°F. Prepare for more rain. Average rainfall goes from 44 mm to 66 mm. Humidity rises from 76% to 83%. The average wind speed doesn’t change much during October, staying around 2 m/s. The days becoming less sunny, going from 9 sunny days in September to 5 in October.

November brings much the same weather, it remains ok.

Wind

Wind speed in Rennes in October based on historical data.
Last Year
Historical Data

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 October, going from 4 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during October in Rennes based on historical data.
Last Year
Historical Data
Typically, there is a 58% chance of rain on an average day in October, with total rainfall of approximately 72 mm. The maximum amount of rainfall per day is around 17 mm, which is considered light rain. October is a pretty wet month with over 18 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
October is one of the rainiest months in Rennes, here is a comparison with other months, total mm:
Rennes wettest month is May, where a typical day has a 26% chance of precipitation and 67 mm of rainfall per day. August, on the other hand, is the driest month with a mere 16% chance of precipitation and 42 mm of rainfall per day.

How was the weather last October in Rennes?

This is the weather in Rennes in October 2023:
1 October
☁️
+71°F
2 October
☁️
+68°F
3 October
☁️
+67°F
4 October
☁️
+65°F
5 October
☁️
+68°F
6 October
☀️
+66°F
7 October
☀️
+68°F
8 October
☀️
+65°F
9 October
☀️
+69°F
10 October
☁️
+65°F
11 October
☀️
+66°F
12 October
☀️
+69°F
13 October
🌧️
+64°F
14 October
🌧️
+65°F
15 October
☀️
+64°F
16 October
☀️
+69°F
17 October
🌧️
+68°F
18 October
☁️
+67°F
19 October
☀️
+75°F
20 October
☀️
+69°F
21 October
🌧️
+69°F
22 October
☀️
+68°F
23 October
🌧️
+69°F
24 October
☁️
+64°F
25 October
☀️
+64°F
26 October
☀️
+69°F
27 October
☀️
+73°F
28 October
☀️
+66°F
29 October
☀️
+71°F
30 October
☀️
+64°F
31 October
☁️
+64°F
In October 2023 Rennes had 17 sunny days, 9 cloudy days, and 5 rainy days. The average maximum temperature was +68°F, with an absolute maximum of +75°F and a minimum of +64°F. The average humidity was 85%, with a maximum of 100% and a minimum of 44%. The average wind speed was 3 m/s, with a maximum of 13 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change Over the Years

This is how Rennes climate has changed over the last 43 years.

The climate in Rennes in October has not changed that much over the last 43 years.

The average temperature was the lowest in 1993 (+57°F) and the highest in 2022 (+68°F). The driest year was 2011 with only 19 mm of rainfall, and the wettest year was 2019 with 198 mm.

FAQ

Frequently asked questions about the weather in Rennes in October:

Is October a good time to visit Rennes?

It’s always a good time to visit Rennes, but the weather is changeable in October, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Rennes in October?

October has mild temperatures in Rennes. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Rennes rainy in October?

Rennes is often rainy in October. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Rennes in October?

Usually, it’s not very sunny in Rennes in October, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in France

Check out the weather for 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, 2022.

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.