All data are in degrees Fahrenheit

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Water temperature in Isola del Giglio

Detailed information about the current water temperature in Isola del Giglio. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.
Sea temperature in Isola del Giglio now

77.6

°F

July 4, 22:59

Trend:

stable

Yesterday:

79.4°F

Tomorrow:

77.9°F

Sunrise:

05:45

Sunset:

20:57

Day Length:

15 h. 12 min.

Isola del Giglio in July

Minimum:

58.2°F

Average:

60.1°F

Maximum:

61.5°F

Sea water temperature in Isola del Giglio today

As of now, in Isola del Giglio, the water temperature is 77.6°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 0.9°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 81.4°F on 2025, while the historical minimum was 74.0°F on 2024.

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 78.3°F, with minimum temperature starting at 77.9°F, while the maximum might reach 78.6°F.

Daily water temperature in Isola del Giglio

Date Current Year

actual* / forecast**

last year 10 years average
Jun 20 76.4°F 75.4°F 73.2°F
Jun 21 77.1°F 75.1°F 73.4°F
Jun 22 77.2°F 74.8°F 73.7°F
Jun 23 77.2°F 75.7°F 74.2°F
Jun 24 78.6°F 76.3°F 74.7°F
Jun 25 78.7°F 76.3°F 75.1°F
Jun 26 79.8°F 77.5°F 75.5°F
Jun 27 80.8°F 78.7°F 75.8°F
Jun 28 81.8°F 79.2°F 76.0°F
Jun 29 81.9°F 79.6°F 76.1°F
Jun 30 81.3°F 78.9°F 76.4°F
Jul 1 80.5°F 79.6°F 76.4°F
Jul 2 79.5°F 80.3°F 76.6°F
Jul 3 79.4°F 81.1°F 76.9°F
Jul 4 77.6°F 81.4°F 76.8°F
Jul 5 77.9°F 82.1°F 77.0°F
Jul 6 78.1°F 82.0°F 77.2°F
Jul 7 78.3°F 81.5°F 77.5°F
Jul 8 78.5°F 81.9°F 77.6°F
Jul 9 78.6°F 80.1°F 77.8°F
Jul 10 78.5°F 77.8°F 77.6°F
Jul 11 78.5°F 76.7°F 77.6°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Isola del Giglio by month

In Isola del Giglio, the months July through September offer comfortable swimming conditions, which amounts to 101 swimming days.
The warmest water in Isola del Giglio was recorded on August 18, 2024, reaching a 83.8°F. While the coldest temperature occurred on March 16, 2022, dipping to 55.8°F. The average readings by season are 59.8°F in Winter, 60.8°F in Spring, 76.3°F in Summer, and 70.9°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Monte Argentario 78.1°F 12mi
Marciana Marina 80.2°F 48mi
San Vincenzo 77.5°F 54mi

* current water temperature in this city

** straight line distance from Isola del Giglio