The best times to visit Sizun 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 Sizun Travel Info

Weather in Sizun


Average temperatures in Sizun 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 28th 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 Sizun, 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 70.4°F (21.3°C) with temperatures rarely dropping below 55.1°F (12.8°C) at night.

Sizun Temperatures (Fahrenheit)


Sizun 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.

Sizun Perceived Temperature (F)


Sizun Perceived Temperature (C)



Average Sizun 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 49.3 44.5 39.1
Feb 49.7 44 38.4
Mar 53 46.2 40
Apr 58.1 49.8 42.2
May 61.3 53.8 46.3
Jun 66.2 58.5 51.1
Jul 68.8 61.3 54.6
Aug 68.3 61 53.8
Sep 66.6 58.4 51.1
Oct 61.7 54.8 48.3
Nov 55 49.6 43.7
Dec 50.4 45.4 39.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 9.6 6.9 3.9
Feb 9.8 6.7 3.6
Mar 11.7 7.9 4.4
Apr 14.5 9.9 5.7
May 16.3 12.1 7.9
Jun 19 14.7 10.6
Jul 20.4 16.3 12.6
Aug 20.2 16.1 12.1
Sep 19.2 14.7 10.6
Oct 16.5 12.7 9.1
Nov 12.8 9.8 6.5
Dec 10.2 7.4 4.3



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Sizun are September, April, and then June. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid March. For example, on the week of March 12th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early December with an average of 4 days of significant precipitation the week of December 3rd.

When can you find snow in Sizun? Weather stations report a very small amount of seasonal snow likely to be deepest around February, especially close to late January and early February. The best time to ski (if at all) in Sizun is often around around January 29th 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 Sizun.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 43% 0 5.7
Feb 39% 0.4 4.7
Mar 26% 0 2.5
Apr 22% 0 2.6
May 23% 0 2.7
Jun 22% 0 2.2
Jul 28% 0 2.9
Aug 23% 0 2.9
Sep 16% 0 2
Oct 31% 0 3.9
Nov 45% 0 5.6
Dec 46% 0 6

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 43 0 14.5
Feb 39 1 11.9
Mar 26 0 6.4
Apr 22 0 6.6
May 23 0 6.9
Jun 22 0 5.6
Jul 28 0 7.4
Aug 23 0 7.4
Sep 16 0 5.1
Oct 31 0 9.9
Nov 45 0 14.2
Dec 46 0 15.2


Humidity and Wind

Sizun has some extremely humid months, and high humidity throughout the year. The least humid month is April (73.7% relative humidity), and the most humid month is November (83.2%).

Wind in Sizun is usually moderate. The windiest month is December, followed by January and February. December’s average wind speed of around 10.7 knots (12.3 MPH or 19.8 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 18.7 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

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 10.5 Gentle breeze 17.3 Strong breeze
Feb 10 Gentle breeze 16.4 Significant breeze
Mar 9.8 Gentle breeze 15.9 Strong breeze
Apr 9 Gentle breeze 14.9 Significant breeze
May 8.7 Gentle breeze 14.3 Strong breeze
Jun 8.5 Gentle breeze 14.1 Significant breeze
Jul 8.6 Gentle breeze 14 Strong breeze
Aug 8.2 Gentle breeze 13.8 Significant breeze
Sep 7.3 Gentle breeze 12.8 Strong breeze
Oct 8.4 Gentle breeze 14.3 Significant breeze
Nov 9.7 Gentle breeze 16.1 Strong breeze
Dec 10.7 Gentle breeze 17.5 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 82.8%
Feb 80.3%
Mar 76.3%
Apr 73.7%
May 75.8%
Jun 75.6%
Jul 77.8%
Aug 78.8%
Sep 79%
Oct 81.8%
Nov 83.2%
Dec 81.2%


Is it Safe to Travel to Sizun?

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 Sizun, France is July, followed by May and September. 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 Sizun 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 39.7 in November means 39.7% of the tourists vs. July.



Overall Sizun Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 64.2°F (17.9°C) and 50.7°F (10.4°C) with warmer temperatures in the later months. Rain is somewhat common with 7 to 8 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 moderate precipitation with 7 to 9 days of precipitation per month. June – August is the busiest season for tourism in Sizun, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 68.6°F (20.3°C) and 50.7°F (10.4°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 5 to 14 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 Sizun to be enjoyable for warm weather travelers. The average high during this season is between 51.4°F (10.8°C) and 47.4°F (8.6°C). On average, it rains or snows a great amount: 11 to 14 times per month. These times of year are fairly slow with tourists.


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