All data are in degrees Fahrenheit

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Water temperature in L'Île-Rousse

Detailed information about the current water temperature in L'Île-Rousse. 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 L'Île-Rousse now

60.2

°F

December 31, 01:34

Trend:

decreasing

Yesterday:

60.3°F

Tomorrow:

60.1°F

Sunrise:

07:54

Sunset:

17:00

Day Length:

9 h. 6 min.

L'Île-Rousse in January

Minimum:

57.4°F

Average:

59.0°F

Maximum:

61.6°F

Sea water temperature in L'Île-Rousse today

As of now, in L'Île-Rousse, the water temperature is 60.2°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.1°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly lower than the average registered over the last two weeks, indicating a slight cooling trend. It also falls within the range of the average temperature recorded for this date, suggesting a consistent weather trend. The maximum temperature recorded for this date was 61.9°F on 2016, while the historical minimum was 57.5°F on 2017.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 59.9°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in L'Île-Rousse

Date Current Year

actual* / forecast**

last year 10 years average
Jan 1 60.1°F 58.4°F 59.0°F
Jan 2 60.0°F 58.3°F 58.9°F
Jan 3 59.9°F 58.5°F 58.8°F
Jan 4 59.9°F 58.4°F 58.8°F
Jan 5 60.0°F 58.7°F 58.9°F
Jan 6 59.8°F 58.0°F 58.8°F
Jan 7 59.6°F 58.1°F 58.6°F
Dec 17 61.3°F 61.6°F 60.6°F
Dec 18 61.2°F 61.6°F 60.4°F
Dec 19 61.0°F 61.4°F 60.3°F
Dec 20 61.0°F 61.4°F 60.2°F
Dec 21 60.9°F 61.2°F 60.1°F
Dec 22 60.8°F 61.0°F 60.1°F
Dec 23 60.6°F 60.8°F 59.9°F
Dec 24 60.5°F 60.2°F 59.9°F
Dec 25 61.0°F 59.8°F 59.8°F
Dec 26 60.8°F 59.8°F 59.7°F
Dec 27 60.3°F 59.0°F 59.5°F
Dec 28 59.6°F 58.6°F 59.4°F
Dec 29 60.3°F 58.5°F 59.4°F
Dec 30 60.3°F 58.3°F 59.2°F
Dec 31 60.2°F 58.4°F 59.2°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 L'Île-Rousse by month

In L'Île-Rousse, the months July through September offer comfortable swimming conditions, which amounts to 98 swimming days.
The warmest water in L'Île-Rousse was recorded on July 5, 2025, reaching a 83.3°F. While the coldest temperature occurred on March 5, 2018, dipping to 55.0°F. The average readings by season are 58.4°F in Winter, 59.8°F in Spring, 75.8°F in Summer, and 70.5°F in Autumn.