Roscoff Sea Temperature Today: 30-Day Water Forecast
The sea temperature in Roscoff today is +19°C. Over the next 30 days, the water temperature is expected to stay between +18°C and +21°C. The water is cool, so short swims are more realistic than long beach sessions. For a shorter view, open the 14-day sea temperature forecast.
Daily air temperature for the month
Day +19°C
Night +15°C
Daily sea water temperature for the month
Water +19°C
Tap a date to open detailed daily weather
| July | Day | Night | Sea t° | Wind | Precipitation | Humidity |
|---|---|---|---|---|---|---|
| 20Mon |  +19°C |  +15°C | +19°C | 7 m/s, NE | 0 mm | 72% |
| 21Tue | +20°C | +15°C | +18°C | 5 m/s, NE | 0 mm | 76% |
| 22Wed | +20°C |  +15°C | +19°C | 4–5 m/s, NNE | 0 mm | 82% |
| 23Thu |  +20°C | +15°C | +20°C | 4 m/s, NE | 0 mm | 82% |
| 24Fri |  +20°C | +16°C | +20°C | 4 m/s, NE | 0 mm | 81% |
| 25Sat | +20°C |  +16°C | +21°C | 8 m/s, WNW | 0.5 mm | 81% |
| 26Sun |  +20°C | +17°C | +21°C | 8 m/s, WNW | 0.6 mm | 86% |
| 27Mon | +20°C | +15°C | +20°C | 6 m/s, WNW | 0.1 mm | 79% |
| 28Tue | +20°C |  +15°C | +20°C | 4 m/s, WNW | 0.1 mm | 80% |
| Further values are multi-year averaged climate | ||||||
| 29Wed | +18°C | +15°C | +20°C | 5 m/s | 0 mm | 83% |
| 30Thu | +19°C | +16°C | +20°C | 6 m/s | 0.1 mm | 83% |
| 31Fri | +19°C | +17°C | +20°C | 5 m/s | 0.5 mm | 89% |
| 1Sat | +18°C | +16°C | +20°C | 5 m/s | 0.2 mm | 87% |
| 2Sun | +18°C | +16°C | +20°C | 6 m/s | 0.2 mm | 82% |
| 3Mon | +18°C | +16°C | +20°C | 5 m/s | 0.4 mm | 87% |
| 4Tue | +18°C | +15°C | +20°C | 5 m/s | 0 mm | 82% |
| 5Wed | +19°C | +15°C | +20°C | 7 m/s | 0.2 mm | 77% |
| 6Thu | +18°C | +16°C | +20°C | 6 m/s | 0.1 mm | 80% |
| 7Fri | +18°C | +15°C | +20°C | 5 m/s | 0.2 mm | 78% |
| 8Sat | +19°C | +16°C | +20°C | 6 m/s | 0.1 mm | 82% |
| 9Sun | +19°C | +16°C | +20°C | 5 m/s | 0.2 mm | 85% |
| 10Mon | +20°C | +16°C | +20°C | 5 m/s | 0.1 mm | 84% |
| 11Tue | +21°C | +16°C | +20°C | 5 m/s | 0 mm | 84% |
| 12Wed | +21°C | +16°C | +20°C | 5 m/s | 0.4 mm | 84% |
| 13Thu | +20°C | +16°C | +20°C | 4 m/s | 0.2 mm | 83% |
| 14Fri | +19°C | +16°C | +20°C | 5 m/s | 0.1 mm | 85% |
| 15Sat | +20°C | +16°C | +20°C | 5 m/s | 0 mm | 86% |
| 16Sun |  +19°C |  +16°C | +20°C | 5 m/s | 0.8 mm | 84% |
| 17Mon | +19°C |  +16°C | +20°C | 5 m/s | 0 mm | 82% |
| 18Tue | +19°C | +16°C | +20°C | 5 m/s | 0.1 mm | 81% |
| 19Wed | +20°C | +16°C | +20°C | 6 m/s | 2.2 mm | 87% |
Sea water temperature by months
Water +16°C
Day and night air temperature
Day +18°C
Night +15°C
Weather minimums and maximums in Roscoff for a month
- Warmest day: 11 August, +21°C
- Coldest night: 22 July, +15°C
- Days with precipitation in a month: 21
- Precipitation for a month: 7.5 mm
- Rainiest day in a month: 19 August
- Maximum precipitation amount: 19 August 2.2 mm
- Highest sea water temperature: 25 July, +21°C
- Lowest sea water temperature: 21 July, +18°C