The best times to visit Hennebont for ideal weather are

May 28th to October 14th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Hennebont Travel Info

Weather in Hennebont


Average temperatures in Hennebont vary somewhat. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 32nd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Hennebont, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 73.2°F (22.9°C) with temperatures rarely dropping below 54.5°F (12.5°C) at night.

Hennebont Temperatures (Fahrenheit)


Hennebont Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Hennebont Perceived Temperature (F)


Hennebont Perceived Temperature (C)



Average Hennebont Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 49.9 44.3 37.7
Feb 50.7 44.2 37.1
Mar 54.8 46.9 39.2
Apr 60.5 51.5 42.7
May 64 55.8 46.8
Jun 69.3 60.9 51.9
Jul 71.6 63.3 54.5
Aug 70.9 62.7 53.7
Sep 69.2 59.7 50.7
Oct 63 55.5 47.7
Nov 56.2 50.2 43.2
Dec 50.9 45.3 38.3

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 9.9 6.8 3.2
Feb 10.4 6.8 2.8
Mar 12.7 8.3 4
Apr 15.8 10.8 5.9
May 17.8 13.2 8.2
Jun 20.7 16.1 11.1
Jul 22 17.4 12.5
Aug 21.6 17.1 12.1
Sep 20.7 15.4 10.4
Oct 17.2 13.1 8.7
Nov 13.4 10.1 6.2
Dec 10.5 7.4 3.5



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Hennebont are September, June, and then August. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late June. For example, on the week of June 25th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in mid January with an average of 3 days of significant precipitation the week of January 15th.

When can you find snow in Hennebont? Weather stations report a bit of annual snow likely to be deepest around January, especially close to early to mid January. The best time to ski (if at all) in Hennebont is often around around January 8th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Hennebont.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Hennebont (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 38% 0.6 4.1
Feb 33% 0.4 3.7
Mar 22% 0 2.3
Apr 22% 0 2.4
May 21% 0 3
Jun 18% 0 2.2
Jul 22% 0 2.3
Aug 20% 0 2.4
Sep 12% 0 1.7
Oct 27% 0 3.6
Nov 36% 0 4.4
Dec 33% 0 4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 38 1.5 10.4
Feb 33 1 9.4
Mar 22 0 5.8
Apr 22 0 6.1
May 21 0 7.6
Jun 18 0 5.6
Jul 22 0 5.8
Aug 20 0 6.1
Sep 12 0 4.3
Oct 27 0 9.1
Nov 36 0 11.2
Dec 33 0 10.2


Humidity and Wind

Hennebont has some extremely humid months, and high humidity throughout the year. The least humid month is April (70.2% relative humidity), and the most humid month is January (83.5%).

Wind in Hennebont is usually moderate. The windiest month is December, followed by January and February. December’s average wind speed of around 9.4 knots (10.8 MPH or 17.4 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid January where average top sustained speeds reach 17 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Hennebont.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 9.1 Gentle breeze 15.5 Significant breeze
Feb 9 Gentle breeze 15.3 Significant breeze
Mar 8.7 Gentle breeze 14.5 Significant breeze
Apr 8.5 Gentle breeze 14.3 Significant breeze
May 8.1 Gentle breeze 13.6 Significant breeze
Jun 8.3 Gentle breeze 13.8 Significant breeze
Jul 8.2 Gentle breeze 13.9 Significant breeze
Aug 7.7 Gentle breeze 13.6 Significant breeze
Sep 7.3 Gentle breeze 12.6 Significant breeze
Oct 7.6 Gentle breeze 13.4 Significant breeze
Nov 8.6 Gentle breeze 15.1 Significant breeze
Dec 9.4 Gentle breeze 15.8 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 83.5%
Feb 79.1%
Mar 73.8%
Apr 70.2%
May 72.3%
Jun 70.3%
Jul 73.1%
Aug 75.2%
Sep 73.3%
Oct 79.9%
Nov 82.1%
Dec 81.3%


Is it Safe to Travel to Hennebont?

Our best data indicates this area is somewhat safe. As of Oct 07, 2019 there are travel warnings for France; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 24, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Hennebont, France is July, followed by June and August. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Hennebont in November. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 35.3 in November means 35.3% of the tourists vs. July.



Overall Hennebont Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 67.1°F (19.5°C) and 51.9°F (11.1°C) with warmer temperatures in the later months. Rain is somewhat common with 6 to 7 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the least precipitation with 5 to 7 days of precipitation per month. June – August is the busiest season for tourism in Hennebont, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 71.3°F (21.8°C) and 51.7°F (10.9°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 11 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is too cold this time of year in Hennebont to be enjoyable for warm weather travelers. The average high during this season is between 52.5°F (11.4°C) and 48.5°F (9.2°C). On average, it rains or snows a great amount: 9 to 12 times per month. These times of year are fairly slow with tourists.


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