The best times to visit Roscoff for ideal weather are

May 7th to November 4th

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



Other Roscoff Travel Info

Weather in Roscoff


Average temperatures in Roscoff 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 38th 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 Roscoff, the hottest months are August, July, and then September. See average monthly temperatures below. The warmest time of year is generally early August where highs are regularly around 69.5°F (20.8°C) with temperatures rarely dropping below 57.9°F (14.4°C) at night.

Roscoff Temperatures (Fahrenheit)


Roscoff 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.

Roscoff Perceived Temperature (F)


Roscoff Perceived Temperature (C)



Average Roscoff 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 50.6 47.3 43.2
Feb 51.7 47.2 42.5
Mar 53.8 49 44.2
Apr 56.8 52.1 47.3
May 61.1 56 51.1
Jun 64.8 60 54.7
Jul 67.9 62.5 56.8
Aug 68.5 63.2 57.7
Sep 66.2 61.3 55.9
Oct 62.5 57.4 52
Nov 56.5 52.5 48.4
Dec 50.5 46.8 42.8

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 10.3 8.5 6.2
Feb 10.9 8.4 5.8
Mar 12.1 9.4 6.8
Apr 13.8 11.2 8.5
May 16.2 13.3 10.6
Jun 18.2 15.6 12.6
Jul 19.9 16.9 13.8
Aug 20.3 17.3 14.3
Sep 19 16.3 13.3
Oct 16.9 14.1 11.1
Nov 13.6 11.4 9.1
Dec 10.3 8.2 6



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Roscoff are September, August, and then April. 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 October. For example, on the week of October 8th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early December with an average of 5 days of significant precipitation the week of December 3rd.

When can you find snow in Roscoff? Weather stations report no annual snow. 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 Roscoff.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 30% 0 2.9
Feb 28% 0 2.7
Mar 23% 0 3.4
Apr 18% 0 1.8
May 20% 0 2.2
Jun 20% 0 3
Jul 28% 0 2.6
Aug 18% 0 3
Sep 14% 0 1.3
Oct 23% 0 3.1
Nov 37% 0 4.7
Dec 42% 0 4.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 30 0 7.4
Feb 28 0 6.9
Mar 23 0 8.6
Apr 18 0 4.6
May 20 0 5.6
Jun 20 0 7.6
Jul 28 0 6.6
Aug 18 0 7.6
Sep 14 0 3.3
Oct 23 0 7.9
Nov 37 0 11.9
Dec 42 0 11.2


Humidity and Wind

Roscoff has some extremely humid months, and high humidity throughout the year. The least humid month is July (82.3% relative humidity), and the most humid month is December (90.5%).

Wind in Roscoff is usually stronger than many places. The windiest month is December, followed by January and March. December’s average wind speed of around 15.9 knots (18.3 MPH or 29.5 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early December where average top sustained speeds reach 23.2 knots, which is considered a strong breeze.

Relative Humidity (%)

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

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 15.2 Significant breeze 19.9 Strong breeze
Feb 13.3 Significant breeze 17.2 Strong breeze
Mar 14.9 Significant breeze 19.2 Strong breeze
Apr 12 Significant breeze 15.5 Significant breeze
May 11.9 Significant breeze 15 Strong breeze
Jun 11.3 Significant breeze 14.9 Significant breeze
Jul 11.5 Significant breeze 14.9 Strong breeze
Aug 11.1 Significant breeze 14.2 Significant breeze
Sep 11.8 Significant breeze 15.2 Strong breeze
Oct 11.7 Significant breeze 15.2 Significant breeze
Nov 14.5 Significant breeze 18.7 Strong breeze
Dec 15.9 Significant breeze 20.7 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 89%
Feb 87.9%
Mar 85.3%
Apr 84.2%
May 86.3%
Jun 83.3%
Jul 82.3%
Aug 84.2%
Sep 82.6%
Oct 84.7%
Nov 87.8%
Dec 90.5%


Is it Safe to Travel to Roscoff?

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 Roscoff, 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 Roscoff 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 Roscoff Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 62.7°F (17.1°C) and 52.2°F (11.2°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 moderate precipitation with 6 to 9 days of precipitation per month. June – August is the busiest season for tourism in Roscoff, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 67.1°F (19.5°C) and 53°F (11.7°C), which will feel comfortable 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 Roscoff to be enjoyable for warm weather travelers. The average high during this season is between 53.6°F (12°C) and 48.4°F (9.1°C). On average, it rains or snows a great amount: 8 to 13 times per month. These times of year are fairly slow with tourists.


Best Times to TravelFrance › Roscoff, France