AI-generatedSaint-Brieuc at a glance
- Best time
- Jul – Aug
- Warmest month
- Aug · 22°
- Warmest sea
- Aug · 18.0°
- Sunshine a year
- 1,610 h
- Rain a year
- 698 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 96 m
Climate in Saint-Brieuc
Saint-Brieuc has a maritime climate with moderate summers and cool, often grey winters. August is the warmest month with average highs of 22 °C, while January is the coolest at 9 °C. With around 1,610 hours of sunshine a year, Saint-Brieuc is moderately sunny; June is the sunniest month with 6.5 hours a day.
Holiday weather through the year
Best time to visit Saint-Brieuc
The best time to visit Saint-Brieuc is from July to August. The sea stays too cool for a classic beach holiday: even in August it only reaches 18.0 °C. For sightseeing, day trips and hiking, conditions are most comfortable from May to September. Rain is frequent from October to December; the wettest month is December with 73 mm.
Saint-Brieuc through the seasons
How the weather changes over the seasons, with averages for each.
Saint-Brieuc in spring
Mar – May
Poor
- 12–17 °C by day
- Sea 10 °C
- 5.1 h of sun a day
- 34 rainy days in all
Saint-Brieuc in summer
Jun – Aug
Poor
- 20–22 °C by day
- Sea 16 °C
- 6.2 h of sun a day
- 29 rainy days in all
Saint-Brieuc in autumn
Sep – Nov
Poor
- 13–20 °C by day
- Sea 16 °C
- 3.9 h of sun a day
- 35 rainy days in all
Saint-Brieuc in winter
Dec – Feb
Poor
- 9–10 °C by day
- Sea 10 °C
- 2.4 h of sun a day
- 37 rainy days in all
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 – Dec
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Saint-Brieuc for you.
Your best months: July – August
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Poor
Best time to visit: July – August
Where to go in OctoberSea temperature in October
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 10°
- Midday, 13:00: about 15°
- Afternoon, 16:00: about 16°
- Evening, 20:00: about 14°
- Night, 23:00: about 12°
08:2919:24
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 08:10–09:12 · evening 18:41–19:44
- Blue hour
- Morning 07:58–08:10 · evening 19:44–19:56
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.
October in Saint-Brieuc compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 18° at the start of the month to 14° at the end. The sea cools from 17° to 15°. The days get 1.7 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 18° | 14° |
| Night-time low | 11° | 8° |
| Sea | 17° | 15° |
| Daylight | 11.7 h | 10.1 h |
What is the weather like in Saint-Brieuc in October?
In October, Saint-Brieuc is mild: daytime highs average 16 °C, and nights cool down to about 10 °C. The sea averages 16.3 °C – swimming is only for the hardy. The sun is scarce, with only about 3.5 hours a day. Rain is frequent, with about 12 rainy days and 70 mm in total. All in all, October is not an ideal month for a holiday in Saint-Brieuc.
More details for October
- Daylight
- 10 h 55 min08:29 – 19:24
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 23 km/haverage daily peakAll months
- Cloud cover
- 70 %on averageAll months
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+2offset from UTC
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %8 %
- Few rainy daysweight 20 %41 %
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
Compare two months in Saint-Brieuc
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 Saint-Brieuc: score 43 against 10. In August, days are 6 °C warmer than in October. The sea is 2 °C warmer in August. August has 3 fewer rainy days. The sun shines 2 hours longer a day in August.
| Month | October | August |
|---|---|---|
| Holiday weather score | 10 | 43better |
| Daytime high | 16° | 22° |
| Night-time low | 10° | 14° |
| Sea | 16.3° | 18.0° |
| Sunshine | 3.5 h | 5.8 hbetter |
| Rainy days | 12 | 9better |
| Rainfall | 70 mm | 50 mmbetter |
Based on the climate averages 1996–2025.
Saint-Brieuc month by month
The typical weather for every month at a glance.
9January9° · Sea 10° · 2.1 h
In January, Saint-Brieuc is cold: daytime highs average 9 °C, and nights cool down to about 4 °C. The sea averages 10.0 °C – swimming is only for the hardy. The sun is scarce, with only about 2.1 hours a day. Rain is frequent, with about 12 rainy days and 62 mm in total. All in all, January is not an ideal month for a holiday in Saint-Brieuc.
Saint-Brieuc in January10February10° · Sea 9° · 2.9 h
In February, Saint-Brieuc is cold: daytime highs average 10 °C, and nights cool down to about 4 °C. The sea averages 9.1 °C – swimming is only for the hardy. The sun is scarce, with only about 2.9 hours a day. Rain is frequent, with about 11 rainy days and 55 mm in total. All in all, February is not an ideal month for a holiday in Saint-Brieuc.
Saint-Brieuc in February12March12° · Sea 9° · 3.9 h
In March, Saint-Brieuc is cool: daytime highs average 12 °C, and nights cool down to about 5 °C. The sea averages 9.0 °C – swimming is only for the hardy. The sun is scarce, with only about 3.9 hours a day. Rain is frequent, with about 11 rainy days and 53 mm in total. All in all, March is not an ideal month for a holiday in Saint-Brieuc.
Saint-Brieuc in March18April14° · Sea 10° · 5.4 h
In April, Saint-Brieuc is cool: daytime highs average 14 °C, and nights cool down to about 7 °C. The sea averages 10.2 °C – swimming is only for the hardy. Expect around 5.4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 57 mm in total. All in all, April is not an ideal month for a holiday in Saint-Brieuc.
Saint-Brieuc in April20May17° · Sea 12° · 6.1 h
In May, Saint-Brieuc is mild: daytime highs average 17 °C, and nights cool down to about 9 °C. The sea averages 12.1 °C – swimming is only for the hardy. Expect around 6.1 hours of sunshine 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 Saint-Brieuc.
Saint-Brieuc in May28June20° · Sea 14° · 6.5 h
In June, Saint-Brieuc is mild: daytime highs average 20 °C, and nights cool down to about 12 °C. The sea averages 14.4 °C – swimming is only for the hardy. The sun shines for around 6.5 hours a day. Rain is frequent, with about 10 rainy days and 60 mm in total. All in all, June is not an ideal month for a holiday in Saint-Brieuc.
Saint-Brieuc in June41July22° · Sea 17° · 6.4 h
In July, Saint-Brieuc is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sea averages 16.6 °C – swimming is only for the hardy. Expect around 6.4 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 49 mm in total. All in all, July is a so-so month for a holiday in Saint-Brieuc – and yet one of the best months here.
Saint-Brieuc in July43August22° · Sea 18° · 5.8 h
In August, Saint-Brieuc is warm: daytime highs average 22 °C, and nights cool down to about 14 °C. The sea averages 18.0 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.8 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 50 mm in total. All in all, August is a so-so month for a holiday in Saint-Brieuc – and yet one of the best months here.
Saint-Brieuc in August30September20° · Sea 18° · 5.5 h
In September, Saint-Brieuc is mild: daytime highs average 20 °C, and nights cool down to about 12 °C. The sea averages 17.8 °C – bracing, so a wetsuit helps for longer swims. Expect around 5.5 hours of sunshine a day. Rain is frequent, with about 9 rainy days and 44 mm in total. All in all, September is not an ideal month for a holiday in Saint-Brieuc.
Saint-Brieuc in September10October16° · Sea 16° · 3.5 h
In October, Saint-Brieuc is mild: daytime highs average 16 °C, and nights cool down to about 10 °C. The sea averages 16.3 °C – swimming is only for the hardy. The sun is scarce, with only about 3.5 hours a day. Rain is frequent, with about 12 rainy days and 70 mm in total. All in all, October is not an ideal month for a holiday in Saint-Brieuc.
Saint-Brieuc in October7November13° · Sea 14° · 2.6 h
In November, Saint-Brieuc is cool: daytime highs average 13 °C, and nights cool down to about 7 °C. The sea averages 14.1 °C – swimming is only for the hardy. The sun is scarce, with only about 2.6 hours a day. Rain is frequent, with about 13 rainy days and 69 mm in total. All in all, November is not an ideal month for a holiday in Saint-Brieuc.
Saint-Brieuc in November6December10° · Sea 12° · 2.1 h
In December, Saint-Brieuc is cool: daytime highs average 10 °C, and nights cool down to about 5 °C. The sea averages 11.7 °C – swimming is only for the hardy. The sun is scarce, with only about 2.1 hours a day. Rain is frequent, with about 14 rainy days and 73 mm in total. All in all, December is not an ideal month for a holiday in Saint-Brieuc.
Saint-Brieuc in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Saint-Brieuc
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°
CoolOctober: nights around 10°. A duvet at night and a jumper for the evening.
The coolest nights are in February (4°), the warmest in August (14°). Nights fall below 8 °C on average from November to April, 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 | 9 | 9° | 4° | 10.0° | 2.1 h | 12 | 62 |
| FebruaryFeb | 10 | 10° | 4° | 9.1° | 2.9 h | 11 | 55 |
| MarchMar | 12 | 12° | 5° | 9.0° | 3.9 h | 11 | 53 |
| AprilApr | 18 | 14° | 7° | 10.2° | 5.4 h | 11 | 57 |
| MayMay | 20 | 17° | 9° | 12.1° | 6.1 h | 11 | 58 |
| JuneJun | 28 | 20° | 12° | 14.4° | 6.5 h | 10 | 60 |
| JulyJul | 41 | 22° | 14° | 16.6° | 6.4 h | 9 | 49 |
| AugustAug | 43 | 22° | 14° | 18.0° | 5.8 h | 9 | 50 |
| SeptemberSep | 30 | 20° | 12° | 17.8° | 5.5 h | 9 | 44 |
| OctoberOct | 10 | 16° | 10° | 16.3° | 3.5 h | 12 | 70 |
| NovemberNov | 7 | 13° | 7° | 14.1° | 2.6 h | 13 | 69 |
| DecemberDec | 6 | 10° | 5° | 11.7° | 2.1 h | 14 | 73 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), 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
48.52° N, 2.77° W · 96 m · Europe/Paris
Sea temperature in Saint-Brieuc
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 15.6 – 17.1 °C
Swimming season: Always below 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Saint-Brieuc ranges from 9.0 °C in March to 18.0 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
From November to January 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 17.4 and 18.9 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 10.0° | 9.0° | 10.7° | cold |
| FebruaryFeb | 9.1° | 8.3° | 9.8° | cold |
| MarchMar | 9.0° | 7.8° | 9.9° | cold |
| AprilApr | 10.2° | 9.3° | 11.2° | cold |
| MayMay | 12.1° | 11.3° | 13.0° | cold |
| JuneJun | 14.4° | 13.7° | 15.7° | cold |
| JulyJul | 16.6° | 15.7° | 17.5° | cold |
| AugustAug | 18.0° | 17.4° | 18.9° | fresh |
| SeptemberSep | 17.8° | 17.2° | 18.5° | fresh |
| OctoberOct | 16.3° | 15.6° | 17.1° | cold |
| NovemberNov | 14.1° | 13.4° | 14.7° | cold |
| DecemberDec | 11.7° | 10.9° | 12.4° | cold |
Sunshine hours in Saint-Brieuc
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 3.5 of 10.9 hours of daylight in Saint-Brieuc, 32 % of the daylight hours.
Sunshine hours: measured at the weather station 7 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Saint-Brieuc: 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, Saint-Brieuc has about 12 rainy days with 70 mm of rain in total.
UV index in Saint-Brieuc
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 2 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 8).
Minutes until sunburn in October
- Very fair skin
- about 55 min
- Fair skin
- about 70 min
- Light brown skin
- about 95 min
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, 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.
Wind and clouds in Saint-Brieuc
How breezy and how cloudy Saint-Brieuc 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 Saint-Brieuc typically peaks at 23 km/h during the day: Beaufort 4, moderate 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: Sep – May.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 70 % of the sky over Saint-Brieuc: mostly cloudy, with about 3.5 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.
Planning a trip to Saint-Brieuc
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Saint-Brieuc 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.
Saint-Brieuc has its best school-holiday weather during the summer holidays (score 42) and its weakest during the Christmas holidays (score 8).
- 16
Easter holidays
Mar – Apr
Poor
- 13 °C by day
- Sea 10 °C
- 4.9 h of sun a day
- 11 rainy days a month
- 22
May half-term
May – Jun
Poor
- 17 °C by day
- Sea 13 °C
- 6.2 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 42
Summer holidays
Jul – Aug
FairBest holidays
- 22 °C by day
- Sea 18 °C
- 6.0 h of sun a day
- 9 rainy days a month
Good for: Sightseeing & walks
- 10
October half-term
Oct
Poor
- 16 °C by day
- Sea 16 °C
- 3.5 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 8
Christmas holidays
Dec – Jan
Poor
- 10 °C by day
- Sea 11 °C
- 2.1 h of sun a day
- 13 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
- 370 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.
Compare & alternatives
Saint-Brieuc compared
Put Saint-Brieuc side by side with another destination.
Saint-Brieuc vs Paimpol
In October the holiday weather in Saint-Brieuc and Paimpol is about equally good (score 10 vs 8). During the day Paimpol is 1 °C warmer than Saint-Brieuc. The sea is about equally warm.
| in October | Saint-Brieuc | Paimpol |
|---|---|---|
| Holiday weather score | 10 | 8 |
| Daytime high | 16° | 17° |
| Sea | 16° | 16° |
| Sunshine | 4 h | 4 h |
| Rainy days | 12 | 14 |
| Best time | Jul – Aug | Jul – Aug |
Through the year
France in October: the best places
In October, Saint-Brieuc ranks 18 among the 31 nearest destinations in this country.
- Angers18°67
- 2Nantes18°65
- 3Rennes17°63
- 4Le Mans17°63
- 5Dinan17°62
- 6Laval17°61
- 7Bayeux17°61
- 8Falaise16°58
- 18Saint-BrieucThis page16°16°10
Near Saint-Brieuc
Other destinations close by.
Places with a climate like Saint-Brieuc
Destinations whose weather through the year is closest to Saint-Brieuc's – good alternatives.
Frequently asked questions about Saint-Brieuc
When is the best time to visit Saint-Brieuc?
The best time to visit Saint-Brieuc 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 Saint-Brieuc?
The sea temperature in Saint-Brieuc ranges from 9.0 °C in March to 18.0 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Saint-Brieuc in October?
Only if you don't mind cold water: in October the sea averages just 16.3 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Saint-Brieuc?
August is the warmest month, with average highs of 22 °C and nights around 14 °C. January is the coolest month at 9 °C.
When does it rain most in Saint-Brieuc?
Rain is frequent from October to December; the wettest month is December with 73 mm. The driest month is September with 44 mm.
How many hours of sunshine does Saint-Brieuc get?
Saint-Brieuc gets around 1,610 hours of sunshine a year. The sunniest month is June with 6.5 hours a day; in January there are 2.1 hours a day.
What time zone is Saint-Brieuc in?
Saint-Brieuc is on UTC+1 in January and UTC+2 in July.
Which school holidays are best for Saint-Brieuc?
Saint-Brieuc has its best school-holiday weather during the summer holidays (score 42) and its weakest during the Christmas holidays (score 8). Holiday ratings (0–100): Easter holidays 16, May half-term 22, summer holidays 42, October half-term 10, Christmas holidays 8.