Saint-Jean-de-Monts Sea Temperature Today: 30-Day Water Forecast
The sea temperature in Saint-Jean-de-Monts today is +25°C. Over the next 30 days, the water temperature is expected to stay between +24°C and +25°C. The water is warm enough for swimming and beach time. For a shorter view, open the 14-day sea temperature forecast.
Daily air temperature for the month
Day +27°C
Night +15°C
Daily sea water temperature for the month
Water +25°C
Tap a date to open detailed daily weather
| July | Day | Night | Sea t° | Wind | Precipitation | Humidity |
|---|---|---|---|---|---|---|
| 20Mon |  +27°C |  +15°C | +25°C | 7 m/s, NE | 0 mm | 46% |
| 21Tue | +28°C | +16°C | +25°C | 7 m/s, NE | 0 mm | 46% |
| 22Wed | +29°C | +17°C | +24°C | 5 m/s, NE | 0 mm | 49% |
| 23Thu | +29°C | +18°C | +24°C | 5 m/s, NE | 0 mm | 52% |
| 24Fri |  +29°C | +18°C | +24°C | 5 m/s, NNE | 0 mm | 52% |
| 25Sat | +26°C |  +18°C | +24°C | 9 m/s, NW | 0.3 mm | 66% |
| 26Sun | +22°C | +18°C | +24°C | 8–9 m/s, WNW | 0.2 mm | 80% |
| 27Mon | +23°C | +16°C | +24°C | 6 m/s, WNW | 0.3 mm | 75% |
| 28Tue | +25°C | +16°C | +24°C | 5 m/s, NW | 0 mm | 68% |
| Further values are multi-year averaged climate | ||||||
| 29Wed | +23°C | +16°C | +24°C | 5 m/s | 0.1 mm | 75% |
| 30Thu | +24°C | +17°C | +24°C | 5 m/s | 0 mm | 71% |
| 31Fri | +23°C | +17°C | +24°C | 5 m/s | 0.2 mm | 77% |
| 1Sat | +22°C | +17°C | +24°C | 5 m/s | 0.2 mm | 79% |
| 2Sun | +22°C | +16°C | +24°C | 6 m/s | 0.2 mm | 73% |
| 3Mon |  +21°C | +16°C | +24°C | 6 m/s | 0.3 mm | 72% |
| 4Tue | +22°C | +16°C | +24°C | 5 m/s | 0.1 mm | 74% |
| 5Wed | +22°C | +16°C | +24°C | 6 m/s | 0.2 mm | 69% |
| 6Thu | +24°C | +16°C | +24°C | 6 m/s | 0.1 mm | 64% |
| 7Fri | +24°C | +16°C | +24°C | 5 m/s | 0.1 mm | 57% |
| 8Sat | +25°C | +16°C | +24°C | 5 m/s | 0 mm | 62% |
| 9Sun | +26°C | +17°C | +24°C | 5 m/s | 0 mm | 66% |
| 10Mon | +27°C | +18°C | +24°C | 4 m/s | 0 mm | 63% |
| 11Tue | +28°C | +19°C | +24°C | 4 m/s | 0 mm | 62% |
| 12Wed | +25°C | +19°C | +24°C | 5 m/s | 0.1 mm | 70% |
| 13Thu | +23°C | +18°C | +24°C | 5 m/s | 0.4 mm | 72% |
| 14Fri | +23°C | +17°C | +24°C | 4 m/s | 0.1 mm | 75% |
| 15Sat | +24°C | +18°C | +24°C | 4 m/s | 0.2 mm | 71% |
| 16Sun |  +24°C | +18°C | +24°C | 4 m/s | 1.6 mm | 73% |
| 17Mon | +22°C | +18°C | +24°C | 4 m/s | 1.1 mm | 75% |
| 18Tue | +22°C | +16°C | +24°C | 4 m/s | 0.3 mm | 73% |
| 19Wed | +22°C | +17°C | +24°C | 4 m/s | 0 mm | 80% |
Sea water temperature by months
Water +19°C
Day and night air temperature
Day +22°C
Night +16°C
Weather minimums and maximums in Saint-Jean-de-Monts for a month
- Warmest day: 22 July, +29°C
- Coldest night: 20 July, +15°C
- Days with precipitation in a month: 19
- Precipitation for a month: 6.1 mm
- Rainiest day in a month: 16 August
- Maximum precipitation amount: 16 August 1.6 mm
- Highest sea water temperature: 20 July, +25°C
- Lowest sea water temperature: 22 July, +24°C