AI-generatedConcarneau at a glance
- Best time
- Jul – Aug
- Warmest month
- Aug · 21°
- Warmest sea
- Aug · 17.8°
- Sunshine a year
- 1,700 h
- Rain a year
- 967 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 11 m
Climate in Concarneau
Concarneau has a maritime climate with moderate summers and cool, often grey winters. August is the warmest month with average highs of 21 °C, while January is the coolest at 10 °C. With around 1,700 hours of sunshine a year, Concarneau is moderately sunny; June is the sunniest month with 6.9 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Poor
Best time to visit: July – August
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 13°
- Midday, 13:00: about 15°
- Afternoon, 16:00: about 16°
- Evening, 20:00: about 15°
- Night, 23:00: about 14°
08:3319:30
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 08:14–09:15 · evening 18:47–19:49
- Blue hour
- Morning 08:02–08:14 · evening 19:49–20:01
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Concarneau in October?
In October, Concarneau is mild: daytime highs average 16 °C, and nights cool down to about 12 °C. The sea averages 15.9 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. It rains often – on about 15 days, adding up to 108 mm. It is often windy, with gusts of around 29 km/h. All in all, October is not an ideal month for a holiday in Concarneau.
More details for October
- Daylight
- 10 h 57 min08:33 – 19:30
- UV index
- 3 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 29 km/haverage daily peakAll months
- Cloud cover
- 67 %on averageAll months
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+2Europe/Paris
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %10 %
- Few rainy daysweight 20 %24 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
- Windproof jacket
Sea temperature in Concarneau
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 15.0 – 16.9 °C
Swimming season: Never above 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Concarneau ranges from 10.1 °C in February to 17.8 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
From November to February the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 16.9 and 19.2 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 10.8° | 9.6° | 11.5° | cold |
| FebruaryFeb | 10.1° | 9.1° | 10.9° | cold |
| MarchMar | 10.2° | 9.1° | 10.9° | cold |
| AprilApr | 11.7° | 10.9° | 12.8° | cold |
| MayMay | 13.8° | 12.8° | 15.0° | cold |
| JuneJun | 16.1° | 14.9° | 17.0° | cold |
| JulyJul | 17.3° | 16.1° | 18.5° | fresh |
| AugustAug | 17.8° | 16.9° | 19.2° | fresh |
| SeptemberSep | 17.2° | 15.9° | 18.4° | fresh |
| OctoberOct | 15.9° | 15.0° | 16.9° | cold |
| NovemberNov | 14.2° | 13.3° | 15.1° | cold |
| DecemberDec | 12.3° | 11.6° | 13.2° | cold |
Sunshine hours in Concarneau
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 3.6 of 10.9 hours of daylight in Concarneau, 33 % of the day.
Sunshine hours: measured at the weather station 21 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Concarneau
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 3 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 8).
Minutes until sunburn in October
- Very fair skin
- about 55 min
- Fair skin
- about 65 min
- Light brown skin
- about 95 min
- Olive skin
- about 120 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Concarneau: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Concarneau has about 15 rainy days with 108 mm of rain in total.
Wind and clouds in Concarneau
How breezy and how cloudy Concarneau is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Concarneau typically peaks at 29 km/h during the day: Beaufort 5, fresh breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting, and here it gets there all year.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 67 % of the sky over Concarneau: mostly cloudy, with about 3.6 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Concarneau
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
CoolOctober: nights around 12°. A duvet at night and a jumper for the evening.
The coolest nights are in February (6°), the warmest in August (16°). Nights are pleasant for sleeping (15 to 20 °C) from July to August. Nights fall below 8 °C on average from December to March, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 3 | 10° | 6° | 10.8° | 2.1 h | 16 | 114 |
| FebruaryFeb | 9 | 10° | 6° | 10.1° | 3.2 h | 12 | 87 |
| MarchMar | 12 | 12° | 7° | 10.2° | 4.3 h | 13 | 72 |
| AprilApr | 20 | 14° | 9° | 11.7° | 5.9 h | 11 | 68 |
| MayMay | 22 | 16° | 11° | 13.8° | 6.5 h | 11 | 58 |
| JuneJun | 27 | 19° | 14° | 16.1° | 6.9 h | 9 | 48 |
| JulyJul | 36 | 21° | 16° | 17.3° | 6.6 h | 9 | 49 |
| AugustAug | 37 | 21° | 16° | 17.8° | 6.3 h | 9 | 52 |
| SeptemberSep | 24 | 19° | 14° | 17.2° | 5.8 h | 9 | 54 |
| OctoberOct | 7 | 16° | 12° | 15.9° | 3.6 h | 15 | 108 |
| NovemberNov | 3 | 13° | 9° | 14.2° | 2.6 h | 16 | 124 |
| DecemberDec | 3 | 10° | 7° | 12.3° | 2.1 h | 16 | 133 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
47.88° N, 3.92° W · 11 m · Europe/Paris
Best time to visit Concarneau
The best time to visit Concarneau is from July to August. The sea stays too cool for a classic beach holiday: even in August it only reaches 17.8 °C. For sightseeing, day trips and hiking, conditions are most comfortable from May to September. Rain is most frequent from October to March; the wettest month is December with 133 mm.
Concarneau through the seasons
How the weather changes over the seasons, with averages for each.
Concarneau in spring
Mar – May
Poor
- 12–16 °C by day
- Sea 12 °C
- 6 h of sun a day
- 34 rainy days in all
Concarneau in summer
Jun – Aug
Poor
- 19–21 °C by day
- Sea 17 °C
- 7 h of sun a day
- 28 rainy days in all
Concarneau in autumn
Sep – Nov
Poor
- 13–19 °C by day
- Sea 16 °C
- 4 h of sun a day
- 40 rainy days in all
Concarneau in winter
Dec – Feb
Poor
- 10 °C by day
- Sea 11 °C
- 3 h of sun a day
- 44 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Concarneau for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Compare two months in Concarneau
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
August has the better holiday weather in Concarneau: score 37 against 7. In August, days are 5 °C warmer than in October. The sea is 2 °C warmer in August. August has 6 fewer rainy days. The sun shines 3 hours longer a day in August.
| Month | October | August |
|---|---|---|
| Weather score | 7 | 37better |
| Day high | 16° | 21° |
| Night low | 12° | 16° |
| Sea | 15.9° | 17.8° |
| Sunshine | 3.6 h | 6.3 hbetter |
| Rainy days | 15 | 9better |
| Rainfall | 108 mm | 52 mmbetter |
| Muggy days | 0better | 1 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Sep
15–28 °C and not too much rain
Rainy months
Oct – Mar
12 or more rainy days
Concarneau month by month
The typical weather for every month at a glance.
3January10° · Sea 11° · 2 h
In January, Concarneau is cold: daytime highs average 10 °C, and nights cool down to about 6 °C. The sea averages 10.8 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. It rains often – on about 16 days, adding up to 114 mm. It is often windy, with gusts of around 33 km/h. All in all, January is not an ideal month for a holiday in Concarneau.
Concarneau in January9February10° · Sea 10° · 3 h
In February, Concarneau is cold: daytime highs average 10 °C, and nights cool down to about 6 °C. The sea averages 10.1 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 12 rainy days and 87 mm in total. It is often windy, with gusts of around 32 km/h. All in all, February is not an ideal month for a holiday in Concarneau.
Concarneau in February12March12° · Sea 10° · 4 h
In March, Concarneau is cool: daytime highs average 12 °C, and nights cool down to about 7 °C. The sea averages 10.2 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 72 mm in total. It is often windy, with gusts of around 29 km/h. All in all, March is not an ideal month for a holiday in Concarneau.
Concarneau in March20April14° · Sea 12° · 6 h
In April, Concarneau is cool: daytime highs average 14 °C, and nights cool down to about 9 °C. The sea averages 11.7 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 68 mm in total. All in all, April is not an ideal month for a holiday in Concarneau.
Concarneau in April22May16° · Sea 14° · 7 h
In May, Concarneau is mild: daytime highs average 16 °C, and nights cool down to about 11 °C. The sea averages 13.8 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 11 rainy days and 58 mm in total. All in all, May is not an ideal month for a holiday in Concarneau.
Concarneau in May27June19° · Sea 16° · 7 h
In June, Concarneau is mild: daytime highs average 19 °C, and nights cool down to about 14 °C. The sea averages 16.1 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 9 rainy days and 48 mm in total. All in all, June is not an ideal month for a holiday in Concarneau.
Concarneau in June36July21° · Sea 17° · 7 h
In July, Concarneau is mild: daytime highs average 21 °C, and nights cool down to about 16 °C. The sea averages 17.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 7 hours a day. Rain is frequent, with about 9 rainy days and 49 mm in total. All in all, July is not an ideal month for a holiday in Concarneau.
Concarneau in July37August21° · Sea 18° · 6 h
In August, Concarneau is mild: daytime highs average 21 °C, and nights cool down to about 16 °C. The sea averages 17.8 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 52 mm in total. All in all, August is not an ideal month for a holiday in Concarneau.
Concarneau in August24September19° · Sea 17° · 6 h
In September, Concarneau is mild: daytime highs average 19 °C, and nights cool down to about 14 °C. The sea averages 17.2 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 54 mm in total. All in all, September is not an ideal month for a holiday in Concarneau.
Concarneau in September7October16° · Sea 16° · 4 h
In October, Concarneau is mild: daytime highs average 16 °C, and nights cool down to about 12 °C. The sea averages 15.9 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. It rains often – on about 15 days, adding up to 108 mm. It is often windy, with gusts of around 29 km/h. All in all, October is not an ideal month for a holiday in Concarneau.
Concarneau in October3November13° · Sea 14° · 3 h
In November, Concarneau is cool: daytime highs average 13 °C, and nights cool down to about 9 °C. The sea averages 14.2 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. It rains often – on about 16 days, adding up to 124 mm. It is often windy, with gusts of around 33 km/h. All in all, November is not an ideal month for a holiday in Concarneau.
Concarneau in November3December10° · Sea 12° · 2 h
In December, Concarneau is cool: daytime highs average 10 °C, and nights cool down to about 7 °C. The sea averages 12.3 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. It rains often – on about 16 days, adding up to 133 mm. It is often windy, with gusts of around 34 km/h. All in all, December is not an ideal month for a holiday in Concarneau.
Concarneau in DecemberConcarneau compared
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Concarneau vs. Quimper
In October the holiday weather in Concarneau and Quimper is about equally good (score 7 vs. 8). During the day it is about as warm in Quimper as in Concarneau.
| in October | Concarneau | Quimper |
|---|---|---|
| Holiday score | 7 | 8 |
| Daytime high | 16° | 16° |
| Sea | 16° | – |
| Sunshine | 4 h | 4 h |
| Rainy days | 15 | 15 |
| Best time | Jul – Aug | May – Sep |
Through the year
France in October: the best places
In October, Concarneau ranks 28 among the 31 nearest destinations in this country.
- Bordeaux20°18°72
- 2Poitiers18°66
- 3Oradour-sur-Glane17°66
- 4Angers17°65
- 5Tours18°65
- 6Nantes17°63
- 7Orléans17°62
- 8Le Mans17°60
- 28ConcarneauThis page16°16°7
Planning a trip to Concarneau
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Concarneau in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Concarneau has its best school-holiday weather during the summer holidays (score 37) and its weakest during the Christmas holidays (score 3).
- 18
Easter holidays
Mar – Apr
Poor
- 13 °C by day
- Sea 11 °C
- 5.4 h of sun a day
- 11 rainy days a month
Keep in mind: Frequent rain
- 23
May half-term
May – Jun
Poor
- 17 °C by day
- Sea 14 °C
- 6.6 h of sun a day
- 10 rainy days a month
Good for: Sightseeing & walks
- 37
Summer holidays
Jul – Aug
PoorBest holidays
- 21 °C by day
- Sea 18 °C
- 6.4 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
- 7
October half-term
Oct
Poor
- 16 °C by day
- Sea 16 °C
- 3.6 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain
- 3
Christmas holidays
Dec – Jan
Poor
- 10 °C by day
- Sea 12 °C
- 2.1 h of sun a day
- 16 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- Short trip – train or car is often quicker
- Distance
- 470 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Concarneau
When is the best time to visit Concarneau?
The best time to visit Concarneau is from July to August. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Concarneau?
The sea temperature in Concarneau ranges from 10.1 °C in February to 17.8 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Concarneau in October?
Only if you don't mind cold water: in October the sea averages just 15.9 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Concarneau?
August is the warmest month, with average highs of 21 °C and nights around 16 °C. January is the coolest month at 10 °C.
When does it rain most in Concarneau?
Rain is most frequent from October to March; the wettest month is December with 133 mm. The driest month is June with 48 mm.
How many hours of sunshine does Concarneau get?
Concarneau gets around 1,700 hours of sunshine a year. The sunniest month is June with 6.9 hours a day; in January there are 2.1 hours a day.
What time zone is Concarneau in?
Concarneau uses the time zone Europe/Paris: UTC+1 in January and UTC+2 in July.
Which school holidays are best for Concarneau?
Concarneau has its best school-holiday weather during the summer holidays (score 37) and its weakest during the Christmas holidays (score 3). Holiday ratings (0–100): Easter holidays 18, May half-term 23, Summer holidays 37, October half-term 7, Christmas holidays 3.
Near Concarneau
Other destinations close by.
Places with a climate like Concarneau
Destinations whose weather through the year is closest to Concarneau's – good alternatives.