October weather forecastTreffléan, France
October
Weather in October
October, the same as September, is another refreshing autumn month in Treffléan, France, with an average temperature varying between 11.8°C (53.2°F) and 16.5°C (61.7°F).Temperature
The transition into October subtly indicates a reduction in the average high-temperature, down to a still enjoyable 16.5°C (61.7°F) from September's comfortable 19.7°C (67.5°F). Registering an almost steady temperature, Treffléan's nights in October see an average low of 11.8°C (53.2°F).Humidity
In Treffléan, France, the average relative humidity in October is 81%.Rainfall
In Treffléan, France, during October, the rain falls for 14.1 days and regularly aggregates up to 65mm (2.56") of precipitation. Throughout the year, in Treffléan, France, there are 169.8 rainfall days, and 593mm (23.35") of precipitation is accumulated.Snowfall
In Treffléan, snow does not fall in January, March, May through November.Daylight
In Treffléan, the average length of the day in October is 10h and 51min.On the first day of the month, sunrise is at 08:10 and sunset at 19:49 CEST. On the last day of October, sunrise is at 07:53 and sunset at 17:54 CET.
Note: On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, and the time zone changes from CEST to CET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 02:00; consequently, the time zone reverts from CET to CEST.
Sunshine
In Treffléan, the average sunshine in October is 6.8h.UV index
In October, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 4 in October translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Treffléan, France
- Average high temperature in October: 16.5°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in October: 11.8°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is February (5.3°C).
Average pressure in October
Treffléan, France
- Average pressure in October: 1016.5mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is November (1013mbar).
Average wind speed in October
Treffléan, France
- Average wind speed in October: 18.3km/h
The windiest month (with the highest average wind speed) is December (22.9km/h).
The calmest month (with the lowest average wind speed) is August (15.5km/h).
Average humidity in October
Treffléan, France
- Average humidity in October: 81%
The months with the highest relative humidity are January and December (83%).
The months with the lowest relative humidity are August and September (78%).
Average rainfall in October
Treffléan, France
- Average rainfall in October: 65mm
The wettest month (with the highest rainfall) is November (81mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in October
Treffléan, France
- Average rainfall days in October: 14.1 days
The month with the highest number of rainy days is January (17.7 days).
The month with the least rainy days is September (10 days).
Average snowfall in October
Treffléan, France
- Average snowfall in October: 0mm
The months with the highest snowfall are February, April and December (1mm).
The months with the least snowfall are January, March, May, June, July, August, September, October and November (0mm).
Average snowfall days in October
Treffléan, France
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Treffléan, France
- Average daylight in October: 10h and 48min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in October: 6h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in October
Treffléan, France
- Average sunshine days in October: 13.5 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in October
Treffléan, France
- Average UV index in October: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, April, November and December (UV index 3).
Average cloud cover in October
Treffléan, France
- Average cloud cover in October: 42
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility in October
Treffléan, France
- Average visibility in October: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





