Cayo Guillermo Sea Temperature Today: 30-Day Water Forecast
The sea temperature in Cayo Guillermo today is +32°C. Over the next 30 days, the water temperature is expected to stay between +30°C and +32°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 +33°C
Night +25°C
Daily sea water temperature for the month
Water +32°C
Tap a date to open detailed daily weather
| July | Day | Night | Sea t° | Wind | Precipitation | Humidity |
|---|---|---|---|---|---|---|
| 20Mon |  +33°C |  +25°C | +32°C | 3 m/s | 0.5 mm | 77% |
| 21Tue |  +32°C |  +24°C | +31°C | 2 m/s | 4.5 mm | 78% |
| 22Wed |  +33°C | +24°C | +31°C | 2 m/s | 0.5 mm | 75% |
| 23Thu | +33°C | +24°C | +31°C | 3 m/s | 0.5 mm | 76% |
| 24Fri | +33°C | +24°C | +31°C | 3 m/s | 0.1 mm | 76% |
| 25Sat | +33°C | +24°C | +32°C | 3 m/s | 0.9 mm | 76% |
| 26Sun | +32°C | +24°C | +31°C | 3 m/s | 0.8 mm | 76% |
| 27Mon | +33°C | +24°C | +31°C | 3 m/s | 0 mm | 74% |
| 28Tue | +33°C | +24°C | +31°C | 3 m/s | 0.2 mm | 76% |
| 29Wed | +33°C | +24°C | +31°C | 3 m/s | 0.1 mm | 76% |
| 30Thu | +33°C | +24°C | +31°C | 3 m/s | 0.1 mm | 78% |
| 31Fri | +33°C | +25°C | +31°C | 3 m/s | 0 mm | 77% |
| 1Sat | +33°C | +25°C | +31°C | 3 m/s | 0.7 mm | 77% |
| 2Sun | +34°C | +25°C | +31°C | 2 m/s | 0.5 mm | 76% |
| 3Mon | +32°C | +25°C | +31°C | 3 m/s | 1.4 mm | 78% |
| 4Tue | +33°C | +25°C | +31°C | 2 m/s | 1.1 mm | 76% |
| 5Wed | +33°C | +25°C | +31°C | 2 m/s | 0.3 mm | 75% |
| 6Thu | +34°C | +25°C | +31°C | 2 m/s | 0.3 mm | 75% |
| 7Fri | +33°C | +25°C | +31°C | 2 m/s | 1.2 mm | 78% |
| 8Sat | +33°C | +25°C | +31°C | 3 m/s | 0.8 mm | 76% |
| 9Sun | +33°C | +25°C | +30°C | 3 m/s | 0 mm | 77% |
| 10Mon | +34°C | +25°C | +30°C | 3 m/s | 0.5 mm | 76% |
| 11Tue |  +33°C | +25°C | +30°C | 3 m/s | 1.8 mm | 77% |
| 12Wed | +32°C | +24°C | +30°C | 3 m/s | 0.2 mm | 78% |
| 13Thu | +33°C | +24°C | +30°C | 2 m/s | 1.4 mm | 78% |
| 14Fri | +33°C | +25°C | +30°C | 3 m/s | 2.3 mm | 77% |
| 15Sat | +33°C | +24°C | +30°C | 2 m/s | 0.7 mm | 77% |
| 16Sun | +33°C | +25°C | +30°C | 2 m/s | 0.4 mm | 77% |
| 17Mon | +33°C | +24°C | +30°C | 2 m/s | 0 mm | 78% |
| 18Tue | +33°C | +24°C | +30°C | 3 m/s | 0.4 mm | 77% |
| 19Wed | +33°C | +25°C | +30°C | 2 m/s | 1 mm | 77% |
Sea water temperature by months
Water +29°C
Day and night air temperature
Day +33°C
Night +24°C
Weather minimums and maximums in Cayo Guillermo for a month
- Warmest day: 2 August, +34°C
- Coldest night: 21 July, +24°C
- Days with precipitation in a month: 27
- Precipitation for a month: 23.2 mm
- Rainiest day in a month: 21 July
- Maximum precipitation amount: 21 July 4.5 mm
- Highest sea water temperature: 20 July, +32°C
- Lowest sea water temperature: 11 August, +30°C