Saint-Brieuc Sea Temperature Today: 30-Day Water Forecast
The sea temperature in Saint-Brieuc today is +20°C. Over the next 30 days, the water temperature is expected to stay between +20°C and +21°C. The water is usable for swimming, but it can feel cool during longer swims. For a shorter view, open the 14-day sea temperature forecast.
Daily air temperature for the month
Day +22°C
Night +15°C
Daily sea water temperature for the month
Water +20°C
Tap a date to open detailed daily weather
| July | Day | Night | Sea t° | Wind | Precipitation | Humidity |
|---|---|---|---|---|---|---|
| 21Tue |  +22°C |  +15°C | +20°C | 6 m/s, NNE | 0 mm | 74% |
| 22Wed | +23°C |  +15°C | +21°C | 4 m/s, NNE | 0 mm | 76% |
| 23Thu |  +24°C | +15°C | +21°C | 4 m/s, ENE | 0 mm | 73% |
| 24Fri | +25°C |  +15°C | +21°C | 4 m/s, NE | 0 mm | 69% |
| 25Sat | +23°C | +15°C | +21°C | 6 m/s, NW | 0.1 mm | 74% |
| 26Sun |  +22°C | +16°C | +21°C | 7 m/s, W | 2.4 mm | 78% |
| 27Mon | +21°C | +15°C | +21°C | 5 m/s, NW | 0 mm | 74% |
| 28Tue | +22°C | +14°C | +21°C | 4 m/s, NW | 0.3 mm | 76% |
| Further values are multi-year averaged climate | ||||||
| 29Wed | +22°C | +13°C | +21°C | 4 m/s | 0 mm | 76% |
| 30Thu | +23°C | +14°C | +21°C | 4 m/s | 0 mm | 75% |
| 31Fri | +23°C | +15°C | +21°C | 5 m/s | 0.2 mm | 80% |
| 1Sat |  +22°C | +14°C | +21°C | 4 m/s | 0.5 mm | 80% |
| 2Sun | +21°C | +13°C | +21°C | 5 m/s | 0.2 mm | 76% |
| 3Mon | +21°C | +13°C | +21°C | 4 m/s | 1.1 mm | 82% |
| 4Tue | +22°C | +13°C | +21°C | 4 m/s | 0.1 mm | 78% |
| 5Wed | +22°C | +13°C | +21°C | 5 m/s | 0.1 mm | 72% |
| 6Thu | +23°C | +13°C | +21°C | 5 m/s | 0.1 mm | 72% |
| 7Fri | +24°C | +13°C | +21°C | 4 m/s | 0.1 mm | 69% |
| 8Sat | +23°C | +14°C | +21°C | 4 m/s | 0 mm | 75% |
| 9Sun | +24°C | +14°C | +21°C | 5 m/s | 0.1 mm | 76% |
| 10Mon | +25°C | +15°C | +21°C | 3 m/s | 0.3 mm | 76% |
| 11Tue | +27°C | +16°C | +21°C | 4 m/s | 0.5 mm | 72% |
| 12Wed | +27°C | +15°C | +21°C | 3 m/s | 0 mm | 68% |
| 13Thu | +26°C | +15°C | +21°C | 3 m/s | 0.5 mm | 69% |
| 14Fri | +23°C | +15°C | +21°C | 4 m/s | 0.5 mm | 72% |
| 15Sat | +24°C | +14°C | +21°C | 4 m/s | 0 mm | 73% |
| 16Sun | +23°C | +15°C | +21°C | 4 m/s | 1.2 mm | 77% |
| 17Mon |  +23°C | +14°C | +21°C | 4 m/s | 0.1 mm | 76% |
| 18Tue | +23°C | +14°C | +21°C | 4 m/s | 0.1 mm | 72% |
| 19Wed | +24°C | +14°C | +21°C | 4 m/s | 1.2 mm | 78% |
| 20Thu | +21°C |  +14°C | +21°C | 4 m/s | 0.2 mm | 79% |
Sea water temperature by months
Water +17°C
Day and night air temperature
Day +22°C
Night +13°C
Weather minimums and maximums in Saint-Brieuc for a month
- Warmest day: 11 August, +27°C
- Coldest night: 29 July, +13°C
- Days with precipitation in a month: 21
- Precipitation for a month: 10 mm
- Rainiest day in a month: 26 July
- Maximum precipitation amount: 26 July 2.4 mm
- Highest sea water temperature: 30 July, +21°C
- Lowest sea water temperature: 21 July, +20°C