All data are in degrees Fahrenheit

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Water temperature in Thonon-les-Bains

Detailed information about the current water temperature in Thonon-les-Bains. 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.
Water temperature in Thonon-les-Bains now

73.8

°F

August 29, 06:22

Trend:

stable

Yesterday:

73.9°F

Tomorrow:

74.0°F

Sunrise:

06:50

Sunset:

20:19

Day Length:

13 h. 29 min.

Thonon-les-Bains in September

Minimum:

44.5°F

Average:

46.1°F

Maximum:

49.0°F

Water temperature in Thonon-les-Bains today

As of now, in Thonon-les-Bains, the water temperature is 73.8°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.6°F higher than the average recorded on this particular day in recent years. The water temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent water 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 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 76.2°F on 2023, while the historical minimum was 68.7°F on 2021.

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 73.3°F, the minimum temperature may reach 72.5°F, and the maximum might stay at 74.0°F.

Daily water temperature in Thonon-les-Bains

Date Current Year

actual* / forecast**

last year 10 years average
Aug 15 78.2°F 74.5°F 73.7°F
Aug 16 78.3°F 75.3°F 73.9°F
Aug 17 77.7°F 75.5°F 73.7°F
Aug 18 78.3°F 75.1°F 73.7°F
Aug 19 76.9°F 75.2°F 73.7°F
Aug 20 77.2°F 74.7°F 73.4°F
Aug 21 76.7°F 74.2°F 73.3°F
Aug 22 75.9°F 73.8°F 73.3°F
Aug 23 74.1°F 73.3°F 73.0°F
Aug 24 73.7°F 72.8°F 72.9°F
Aug 25 73.6°F 72.4°F 72.9°F
Aug 26 74.1°F 72.5°F 72.8°F
Aug 27 74.6°F 72.6°F 72.7°F
Aug 28 73.9°F 72.4°F 72.4°F
Aug 29 73.8°F 72.0°F 72.2°F
Aug 30 74.0°F 72.6°F 72.4°F
Aug 31 73.9°F 71.8°F 72.3°F
Sep 1 73.7°F 71.6°F 72.2°F
Sep 2 73.4°F 70.1°F 71.8°F
Sep 3 73.0°F 69.1°F 71.4°F
Sep 4 72.9°F 69.7°F 71.3°F
Sep 5 72.5°F 70.0°F 70.9°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.

Water temperature in Thonon-les-Bains by month

In Thonon-les-Bains, there are only 21 days through the year when the water is warm enough to be comfortable for swimming.
The warmest water in Thonon-les-Bains was recorded on July 1, 2026, reaching a 79.8°F. While the coldest temperature occurred on February 14, 2017, dipping to 42.7°F. The average readings by season are 46.1°F in Winter, 51.2°F in Spring, 70.4°F in Summer, and 61.3°F in Autumn.