Saint-Brieuc weather in October

In October, Saint-Brieuc sees average daytime highs of 16°C and overnight lows near 10°C, with 68 mm of rain across 12.1 wet days and about 10.6 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 17°C in the first days to 14°C by the end. The sky is clear or mostly clear about 15% of the time in October, and the air most often feels dry.

Daylight stretches from about 11 h 24 min at the start of October to 9 h 42 min by month's end. Set against the rest of the year, October is Saint-Brieuc's 8th-clearest and 6th-windiest month. For the whole year in context, see Saint-Brieuc's year-round climate.

Daytime high
16°
6th warmest
Overnight low
10°
8th coldest
Rainfall
68 mm
12.1 wet days
Daylight
10 h 30 min
7:40 AM – 6:12 PM
Cloud cover
70%
8th clearest
Wind
16 km/h
6th windiest
Solar energy
2.15 kWh/m²
Travel score
4.5
out of 10
Air quality
Good
PM10 15.4 µg/m³ · 2019

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 17°C in the first days to 14°C by the end.

A typical October day in Saint-Brieuc reaches about 16°C in the afternoon and slips back to 10°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 19°C. Set against its neighbours, October runs about 4°C cooler than September and about 4°C warmer than November.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
11811
21711
31711
41711
51711
61711
71711
81710
91710
101610
111610
121610
131610
141610
151610
161610
171610
181510
19159
20159
21159
22159
23159
24159
25159
26159
27149
28149
29149
30149
31148

How October really feels in Saint-Brieuc

Once humidity and wind are folded in, October averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

October sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Saint-Brieuc weather by month

How October compares with the rest of the year at a glance. October is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 6011.40.38.61.5
Feb / 5311.10.59.91.7
Mar11° / 5110.70.311.62.7
Apr13° / 5711.8013.43.6
May16° / 62110154.9
Jun19° / 12°569.5015.86.0
Jul21° / 13°469.1015.56.6
Aug21° / 14°499.5014.16.5
Sep19° / 12°489012.46.1
Oct16° / 10°6812.1010.64.5
Nov12° / 6412.6092.8
Dec / 7113.10.58.21.8

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 17% of October, with mostly cloudy or overcast conditions the remaining 69%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13169
23070
33070
43070
53070
62971
72971
82971
93169
103169
113268
123268
133367
143367
153367
163367
173466
183466
193466
203367
213367
223367
233367
243367
253268
263268
273268
283169
293169
303070
313070

Chance of precipitation in October

Any precipitation

Saint-Brieuc gets around 68 mm of rain over 12.1 wet days in October. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
338
438
538
638
738
838
938
1038
1138
1238
1338
1439
1539
1639
1739
1840
1940
2040
2140
2240
2340
2440
2540
2640
2740
2840
2940
3041
3141

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the dry band about 82% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
172262
273252
373252
474242
575232
675232
776222
877212
977212
1078202
1179192
1279192
1380182
1480182
1582171
1682171
1783161
1884151
1984151
2086140
2186140
2287130
2388120
2488120
2588120
2689110
2789110
2890100
2990100
309190
319280

Wind in October

Winds average 16 km/h in October.

Across October, daily wind ranges from about 15 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2217light breeze
2317light breeze
2417light breeze
2517light breeze
2617light breeze
2717light breeze
2817light breeze
2917light breeze
3017light breeze
3117light breeze

Sunrise & sunset in October

DaylightNight

Daylight runs from about 11 h 24 min at the start of October to 9 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 102 minutes over October. Sunrise moves from 7:17 AM to 8:03 AM, and sunset from 6:43 PM to 5:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.47:176:43
211.47:186:41
311.37:206:39
411.37:216:37
511.27:236:35
611.17:246:33
711.17:266:31
811.07:276:28
911.07:296:26
1010.97:306:24
1110.87:326:22
1210.87:346:20
1310.77:356:18
1410.77:376:16
1510.67:386:14
1610.57:406:12
1710.57:416:11
1810.47:436:09
1910.47:446:07
2010.37:466:05
2110.37:486:03
2210.27:496:01
2310.17:515:59
2410.17:525:58
2510.07:545:56
2610.07:555:54
279.97:575:52
289.97:595:51
299.88:005:49
309.88:025:47
319.78:035:46

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 2.15 kWh/m².

For context, solar energy here swings from a low near 0.88 kWh/m² to a high of 5.86 kWh/m² in June across the year — October's 2.15 kWh/m² falls in the middle.

0123151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.7Moderate
32.6Moderate
42.6Moderate
52.6Moderate
62.5Moderate
72.5Moderate
82.4Moderate
92.4Moderate
102.4Moderate
112.3Moderate
122.3Moderate
132.3Moderate
142.2Moderate
152.2Moderate
162.2Moderate
172.1Moderate
182.1Moderate
192.1Moderate
202.0Moderate
212.0Moderate
222.0Dim
231.9Dim
241.9Dim
251.9Dim
261.8Dim
271.8Dim
281.8Dim
291.7Dim
301.7Dim
311.6Dim
Planning a trip in October

Is October a good time to visit Saint-Brieuc?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.5
Sightseeing
6th-best month of the year
0.5
Beach & pool
6th-best month of the year

October is a reasonable time to visit Saint-Brieuc for sightseeing.

What to pack for Saint-Brieuc in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Saint-Brieuc sees daytime highs around 16°C and nights near 10°C. Worth packing: a warm layer and rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Saint-Brieuc in October

The nearest coast averages about 16°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 km away) is warmest in August at about 18°C and coldest in February near 9°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°15°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan10Bracing
Feb9Bracing
Mar9Bracing
Apr10Bracing
May12Bracing
Jun14Bracing
Jul16Cool
Aug18Cool
Sep18Cool
Oct16Cool
Nov14Bracing
Dec12Bracing

UV index in Saint-Brieuc in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October peaks around 3. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Saint-Brieuc peaks around June 19 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJun 19UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May6High
Jun7High
Jul7High
Aug7High
Sep5Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Saint-Brieuc?

Saint-Brieuc sits at 48.5°N, 2.8°W, 96 m above sea level, in France. The nearest listed city is Pontivy, 52 km away.

Topography around Saint-Brieuc

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saint-Brieuc.

Within 3 km, the terrain around Saint-Brieuc has only modest variations in elevation — a maximum elevation change of 141 m around an average of 92 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 275 m; within 80 km, significant variations in elevation — a maximum elevation change of 364 m.

The land around Saint-Brieuc is covered by artificial surfaces (41%) and trees (39%) within 3 km, trees (28%), cropland (28%) and water (23%) within 16 km, and water (33%), cropland (28%) and trees (24%) within 80 km.

3 km
141 m
16 km
275 m
80 km
364 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Pontivy 52 km · Lannion 56 km · Saint-Malo 58 km · Morlaix 78 km · Saint Helier 89 km · Rennes 93 km · Lanester 94 km · Vannes 95 km

France travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 77% of US
price level, 2025
GDP per capita
$48,986
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
100%
of population, 2024
Homicide rate
1.3
per 100k, 2023
Road deaths
5.1
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 539
Religion
Roman Catholic 47%none 33%Muslim 4%Protestant 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Saint-Brieuc (48.5151°, -2.7684°, elevation 96 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).