October weather forecast
Rennes, France

Weather in October

October, like September, in Rennes, France, is another comfortable autumn month, with average temperature ranging between min 9.2°C (48.6°F) and max 16.9°C (62.4°F).

Temperature

In Rennes, the average high-temperature in October marginally drops, from an agreeable 20.8°C (69.4°F) in September, to an enjoyable 16.9°C (62.4°F). In Rennes, in October, the average low-temperature is 9.2°C (48.6°F).

Humidity

The average relative humidity in Rennes is 83%.

Rainfall

In Rennes, France, in October, during 11.3 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Rennes, during the entire year, the rain falls for 150.1 days and collects up to 330mm (12.99") of precipitation.

Snowfall

In Rennes snow does not fall in May through October.

Daylight

In October, the average length of the day in Rennes is 10.8h.

Sunshine

In Rennes, France, the average sunshine in October is 6.3h.

UV index

The average daily maximum UV index in Rennes, France, is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in October in Rennes?

In Rennes, France, the average relative humidity in October is 83%.

How much does it rain in Rennes in October?

In Rennes, France, in October, during 11.3 rainfall days, 30mm (1.18") of precipitation is typically accumulated.

When it does not snow in Rennes?

In Rennes, France, snow does not fall in May through October.

Does it snow in Rennes in October?

In Rennes, in October, it doesn't snow. In November, it regularly snows.

How many hours of daylight does Rennes have in October?

In Rennes, France, the average length of the day in October is 10.8h.

How long on average sun shines in October in Rennes?

In October, the average sunshine in Rennes, France, is 6.3h.

How high is the UV index in October in Rennes?

In October, the average daily maximum UV index in Rennes, France, is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in October
Rennes, France

Average temperature in October - Rennes, France
  • Average high temperature in October: 16.9°C

The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (8.4°C).

  • Average low temperature in October: 9.2°C

The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).

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Average pressure in October
Rennes, France

Average pressure in October - Rennes, France
  • Average pressure in October: 1016.5mbar

The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).

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Average wind speed in October
Rennes, France

Average wind speed in October - Rennes, France
  • Average wind speed in October: 13.7km/h

The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).

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Average humidity in October
Rennes, France

Average humidity in October - Rennes, France
  • Average humidity in October: 83%

The month with the highest relative humidity is December (88%).
Months with the lowest relative humidity are July, August and September (78%).

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Average rainfall in October
Rennes, France

Average rainfall in October - Rennes, France
  • Average rainfall in October: 30mm

The wettest month (with the highest rainfall) is June (39mm).
The driest month (with the least rainfall) is September (12mm).

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Average rainfall days in October
Rennes, France

Average rainfall days in October - Rennes, France
  • Average rainfall days in October: 11.3 days

The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is September (8.4 days).

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Average snowfall in October
Rennes, France

Average snowfall in October - Rennes, France
  • Average snowfall in October: 0mm

Months with the highest snowfall are February, March, April and December (2mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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Average snowfall days in October
Rennes, France

Average snowfall days in October - Rennes, France
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (0.8 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in October /
Average sunshine in October
Rennes, France

Average daylight in October / Average sunshine in October - Rennes, France
  • Average daylight in October: 10.8h

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.5h).

  • Average sunshine in October: 6.3h

The month with the most sunshine is July (Average sunshine: 9.7h).
The month with the least sunshine is January (Average sunshine: 4.2h).

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Average sunshine days in October
Rennes, France

Average sunshine days in October - Rennes, France
  • Average sunshine days in October: 16.9 days

The month with the most sunshine days is September (18.5 days).
The month with the least sunshine days is May (12.1 days).

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Average UV index in October
Rennes, France

Average UV index in October - Rennes, France
  • Average UV index in October: 3

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in October
Rennes, France

Average cloud cover in October - Rennes, France
  • Average cloud cover in October: 48

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is September (Cloud cover 41).

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Average visibility in October
Rennes, France

Average visibility in October - Rennes, France
  • Average visibility in October: 9km

Months with the highest visibility are January, February, March, April, June, July, October, November and December (9km).
Months with the lowest visibility are May, August and September (8km).

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