Saint-Brieuc Climate by Month
Saint-Brieuc, Brittany, France
Mild summers and cool winters, with rain spread through the year.
Saint-Brieuc has mild summers and cool winters, with rain spread through the year. Afternoon highs range from 49°F (10°C) in January to 72°F (22°C) in August, and February nights average 39°F (4°C). It gets 37 in (930 mm) of rain a year, spread across the months. The air is humid, averaging 81% relative humidity.
- Warmest month
- 72°F(22°C)
- Average high, August
- Coldest nights
- 39°F(4°C)
- Average low, February
- Rain per year
- 37 in(930 mm)
- No clear rainy season
- Humidity
- 81%
- Sunniest: June
Best and worst months in Saint-Brieuc
Best for weatherThe most comfortable weather comes in July and August, with highs around 72°F (22°C) and about 2.1 in (53 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 50°F (10°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in August.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Saint-Brieuc weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 49°F(10°C) | 40°F(4°C) | 4.0 in(102 mm) | 90% | 0.9 |
| FebFebruary | 50°F(10°C) | 39°F(4°C) | 3.1 in(78 mm) | 79% | 1.7 |
| MarMarch | 55°F(13°C) | 42°F(5°C) | 2.8 in(70 mm) | 79% | 2.9 |
| AprApril | 58°F(15°C) | 44°F(6°C) | 2.4 in(62 mm) | 79% | 4.5 |
| MayMay | 64°F(18°C) | 48°F(9°C) | 2.2 in(55 mm) | 78% | 5.3 |
| JunJune | 69°F(21°C) | 53°F(12°C) | 2.1 in(54 mm) | 77% | 5.6 |
| JulJulyBest | 72°F(22°C) | 56°F(14°C) | 2.0 in(50 mm) | 79% | 5.5 |
| AugAugustBest | 72°F(22°C) | 56°F(14°C) | 2.2 in(56 mm) | 78% | 4.7 |
| SepSeptember | 68°F(20°C) | 53°F(12°C) | 2.4 in(60 mm) | 82% | 3.7 |
| OctOctober | 62°F(17°C) | 50°F(10°C) | 4.3 in(110 mm) | 85% | 2.0 |
| NovNovember | 55°F(13°C) | 45°F(7°C) | 4.5 in(115 mm) | 82% | 1.2 |
| DecDecember | 50°F(10°C) | 40°F(5°C) | 4.6 in(118 mm) | 89% | 0.8 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Saint-Brieuc →- 🇫🇷QuimperBrittany, France · Pop. 64k99%matchSame summer highsSame winter lowsSaint-Brieuc vs Quimper →
- 🇫🇷Le HavreNormandy, France · Pop. 186k99%matchSame winter lowsSame summer highsSaint-Brieuc vs Le Havre →
- 🇫🇷LorientBrittany, France · Pop. 58k99%matchSame winter lowsSame summer highsSaint-Brieuc vs Lorient →
- 🇬🇧PlymouthEngland, United Kingdom · Pop. 260k99%matchSame winter lowsSimilar rainfallSaint-Brieuc vs Plymouth →
- 🇯🇪Saint HelierSt Helier, Jersey · Pop. 28k99%matchSame winter lowsSimilar rainfallSaint-Brieuc vs Saint Helier →