AI-generatedRoscoff at a glance
- Best time
- Apr – Sep
- Warmest month
- Aug · 19°
- Warmest sea
- Aug · 16.2°
- Sunshine a year
- 1,680 h
- Rain a year
- 876 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 6 m
Climate in Roscoff
Roscoff has a maritime climate with moderate summers and cool, often grey winters. August is the warmest month with average highs of 19 °C, while January is the coolest at 10 °C. With around 1,680 hours of sunshine a year, Roscoff is moderately sunny; June is the sunniest month with 6.7 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Poor
Best time to visit: April – September
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°
08:3419:29
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 08:15–09:17 · evening 18:46–19:48
- Blue hour
- Morning 08:03–08:15 · evening 19:48–20:01
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 Roscoff in October?
In October, Roscoff is cool: daytime highs average 16 °C, and nights cool down to about 12 °C. The sea averages 15.0 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. It rains often – on about 14 days, adding up to 91 mm. All in all, October is not an ideal month for a holiday in Roscoff.
More details for October
- Daylight
- 10 h 55 min08:34 – 19:29
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 24 km/haverage daily peakAll months
- Cloud cover
- 69 %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 %12 %
- Few rainy daysweight 20 %27 %
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
Sea temperature in Roscoff
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 14.6 – 15.5 °C
Swimming season: Never above 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Roscoff ranges from 10.1 °C in March to 16.2 °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 15.7 and 16.8 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 11.1° | 10.1° | 11.8° | cold |
| FebruaryFeb | 10.3° | 9.5° | 10.9° | cold |
| MarchMar | 10.1° | 9.3° | 10.7° | cold |
| AprilApr | 10.8° | 10.1° | 11.4° | cold |
| MayMay | 12.1° | 11.3° | 12.8° | cold |
| JuneJun | 13.9° | 13.4° | 14.6° | cold |
| JulyJul | 15.5° | 14.7° | 16.0° | cold |
| AugustAug | 16.2° | 15.7° | 16.8° | cold |
| SeptemberSep | 15.9° | 15.5° | 16.4° | cold |
| OctoberOct | 15.0° | 14.6° | 15.5° | cold |
| NovemberNov | 13.7° | 13.3° | 14.2° | cold |
| DecemberDec | 12.3° | 11.5° | 13.0° | cold |
Sunshine hours in Roscoff
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 3.7 of 10.9 hours of daylight in Roscoff, 34 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Roscoff
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 100 min
- Olive skin
- over 2 h
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 Roscoff: 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, Roscoff has about 14 rainy days with 91 mm of rain in total.
Wind and clouds in Roscoff
How breezy and how cloudy Roscoff 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 Roscoff typically peaks at 24 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, 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 69 % of the sky over Roscoff: mostly cloudy, with about 3.7 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 Roscoff
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 January (7°), the warmest in August (15°). Nights are pleasant for sleeping (15 to 20 °C) from July to August. Nights fall below 8 °C on average from January 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 | 5 | 10° | 7° | 11.1° | 2.1 h | 15 | 91 |
| FebruaryFeb | 8 | 10° | 7° | 10.3° | 3.1 h | 13 | 76 |
| MarchMar | 11 | 11° | 7° | 10.1° | 4.2 h | 13 | 68 |
| AprilApr | 18 | 12° | 8° | 10.8° | 5.9 h | 12 | 72 |
| MayMay | 20 | 15° | 11° | 12.1° | 6.4 h | 12 | 67 |
| JuneJun | 22 | 17° | 13° | 13.9° | 6.7 h | 11 | 58 |
| JulyJul | 21 | 19° | 15° | 15.5° | 6.5 h | 12 | 51 |
| AugustAug | 21 | 19° | 15° | 16.2° | 6.1 h | 11 | 55 |
| SeptemberSep | 21 | 18° | 14° | 15.9° | 5.7 h | 10 | 53 |
| OctoberOct | 8 | 16° | 12° | 15.0° | 3.7 h | 14 | 91 |
| NovemberNov | 4 | 13° | 10° | 13.7° | 2.6 h | 15 | 94 |
| DecemberDec | 4 | 11° | 8° | 12.3° | 2.1 h | 15 | 100 |
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
48.72° N, 3.99° W · 6 m · Europe/Paris
Best time to visit Roscoff
The best time to visit Roscoff is from April to September. The sea stays too cool for a classic beach holiday: even in August it only reaches 16.2 °C. For sightseeing, day trips and hiking, conditions are most comfortable from June to September. Rain is most frequent from October to May; the wettest month is December with 100 mm.
Roscoff through the seasons
How the weather changes over the seasons, with averages for each.
Roscoff in spring
Mar – May
Poor
- 11–15 °C by day
- Sea 11 °C
- 6 h of sun a day
- 38 rainy days in all
Roscoff in summer
Jun – Aug
Poor
- 17–19 °C by day
- Sea 15 °C
- 6 h of sun a day
- 34 rainy days in all
Roscoff in autumn
Sep – Nov
Poor
- 13–18 °C by day
- Sea 15 °C
- 4 h of sun a day
- 39 rainy days in all
Roscoff in winter
Dec – Feb
Poor
- 10–11 °C by day
- Sea 11 °C
- 2 h of sun a day
- 42 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Roscoff for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Compare two months in Roscoff
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Roscoff: score 22 against 8. In June, days are 1 °C warmer than in October. The sea is 1 °C cooler in June. June has 3 fewer rainy days. The sun shines 3 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Weather score | 8 | 22better |
| Day high | 16° | 17° |
| Night low | 12° | 13° |
| Sea | 15.0° | 13.9° |
| Sunshine | 3.7 h | 6.7 hbetter |
| Rainy days | 14 | 11better |
| Rainfall | 91 mm | 58 mmbetter |
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
Jun – Sep
15–28 °C and not too much rain
Rainy months
Oct – May
12 or more rainy days
Roscoff month by month
The typical weather for every month at a glance.
5January10° · Sea 11° · 2 h
In January, Roscoff is cold: daytime highs average 10 °C, and nights cool down to about 7 °C. The sea averages 11.1 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. It rains often – on about 15 days, adding up to 91 mm. All in all, January is not an ideal month for a holiday in Roscoff.
Roscoff in January8February10° · Sea 10° · 3 h
In February, Roscoff is cold: daytime highs average 10 °C, and nights cool down to about 7 °C. The sea averages 10.3 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 13 rainy days and 76 mm in total. All in all, February is not an ideal month for a holiday in Roscoff.
Roscoff in February11March11° · Sea 10° · 4 h
In March, Roscoff is cool: daytime highs average 11 °C, and nights cool down to about 7 °C. The sea averages 10.1 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 68 mm in total. All in all, March is not an ideal month for a holiday in Roscoff.
Roscoff in March18April12° · Sea 11° · 6 h
In April, Roscoff is cool: daytime highs average 12 °C, and nights cool down to about 8 °C. The sea averages 10.8 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 72 mm in total. All in all, April is not an ideal month for a holiday in Roscoff.
Roscoff in April20May15° · Sea 12° · 6 h
In May, Roscoff is cool: daytime highs average 15 °C, and nights cool down to about 11 °C. The sea averages 12.1 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 67 mm in total. All in all, May is not an ideal month for a holiday in Roscoff.
Roscoff in May22June17° · Sea 14° · 7 h
In June, Roscoff is mild: daytime highs average 17 °C, and nights cool down to about 13 °C. The sea averages 13.9 °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, June is not an ideal month for a holiday in Roscoff.
Roscoff in June21July19° · Sea 16° · 7 h
In July, Roscoff is mild: daytime highs average 19 °C, and nights cool down to about 15 °C. The sea averages 15.5 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 12 rainy days and 51 mm in total. All in all, July is not an ideal month for a holiday in Roscoff.
Roscoff in July21August19° · Sea 16° · 6 h
In August, Roscoff is mild: daytime highs average 19 °C, and nights cool down to about 15 °C. The sea averages 16.2 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 55 mm in total. All in all, August is not an ideal month for a holiday in Roscoff.
Roscoff in August21September18° · Sea 16° · 6 h
In September, Roscoff is mild: daytime highs average 18 °C, and nights cool down to about 14 °C. The sea averages 15.9 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 53 mm in total. All in all, September is not an ideal month for a holiday in Roscoff.
Roscoff in September8October16° · Sea 15° · 4 h
In October, Roscoff is cool: daytime highs average 16 °C, and nights cool down to about 12 °C. The sea averages 15.0 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. It rains often – on about 14 days, adding up to 91 mm. All in all, October is not an ideal month for a holiday in Roscoff.
Roscoff in October4November13° · Sea 14° · 3 h
In November, Roscoff is cool: daytime highs average 13 °C, and nights cool down to about 10 °C. The sea averages 13.7 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. It rains often – on about 15 days, adding up to 94 mm. All in all, November is not an ideal month for a holiday in Roscoff.
Roscoff in November4December11° · Sea 12° · 2 h
In December, Roscoff is cool: daytime highs average 11 °C, and nights cool down to about 8 °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 15 days, adding up to 100 mm. All in all, December is not an ideal month for a holiday in Roscoff.
Roscoff in DecemberRoscoff compared
Put Roscoff side by side with another destination.
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Roscoff vs. Brest
In October the holiday weather in Roscoff and Brest is about equally good (score 8 vs. 7). During the day it is about as warm in Brest as in Roscoff. The sea is about equally warm.
| in October | Roscoff | Brest |
|---|---|---|
| Holiday score | 8 | 7 |
| Daytime high | 16° | 16° |
| Sea | 15° | 15° |
| Sunshine | 4 h | 4 h |
| Rainy days | 14 | 14 |
| Best time | Apr – Sep | Apr – Sep |
Through the year
France in October: the best places
In October, Roscoff ranks 26 among the 31 nearest destinations in this country.
- Poitiers18°66
- 2Angers17°65
- 3Tours18°65
- 4Nantes17°63
- 5Orléans17°62
- 6Le Mans17°60
- 7Rennes17°59
- 8Paris17°59
- 26RoscoffThis page16°15°8
Planning a trip to Roscoff
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Roscoff 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.
Roscoff has its best school-holiday weather during the summer holidays (score 21) and its weakest during the Christmas holidays (score 5).
- 16
Easter holidays
Mar – Apr
Poor
- 12 °C by day
- Sea 11 °C
- 5.4 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 20
May half-term
May – Jun
Poor
- 15 °C by day
- Sea 12 °C
- 6.5 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 21
Summer holidays
Jul – Aug
PoorBest holidays
- 19 °C by day
- Sea 16 °C
- 6.2 h of sun a day
- 11 rainy days a month
Good for: Sightseeing & walks
- 8
October half-term
Oct
Poor
- 16 °C by day
- Sea 15 °C
- 3.7 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
- 5
Christmas holidays
Dec – Jan
Poor
- 10 °C by day
- Sea 12 °C
- 2.1 h of sun a day
- 15 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
- 400 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 Roscoff
When is the best time to visit Roscoff?
The best time to visit Roscoff is from April to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Roscoff?
The sea temperature in Roscoff ranges from 10.1 °C in March to 16.2 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Roscoff in October?
Only if you don't mind cold water: in October the sea averages just 15.0 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Roscoff?
August is the warmest month, with average highs of 19 °C and nights around 15 °C. January is the coolest month at 10 °C.
When does it rain most in Roscoff?
Rain is most frequent from October to May; the wettest month is December with 100 mm. The driest month is July with 51 mm.
How many hours of sunshine does Roscoff get?
Roscoff gets around 1,680 hours of sunshine a year. The sunniest month is June with 6.7 hours a day; in January there are 2.1 hours a day.
What time zone is Roscoff in?
Roscoff uses the time zone Europe/Paris: UTC+1 in January and UTC+2 in July.
Which school holidays are best for Roscoff?
Roscoff has its best school-holiday weather during the summer holidays (score 21) and its weakest during the Christmas holidays (score 5). Holiday ratings (0–100): Easter holidays 16, May half-term 20, Summer holidays 21, October half-term 8, Christmas holidays 5.
Near Roscoff
Other destinations close by.
Places with a climate like Roscoff
Destinations whose weather through the year is closest to Roscoff's – good alternatives.