What is the current water temperature in Thonon-les-Bains?

Q: What is the current water temperature in Thonon-les-Bains?

As of now, in Thonon-les-Bains, the water temperature is 9.38°C. 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.

France > Thonon-les-Bains

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.

48.9

°F

April 6, 08:48

Trend:

increasing

Yesterday:

48.5°F

Tomorrow:

49.2°F

Sunrise:

07:05

Sunset:

20:09

Day Length:

13 h. 4 min.

Thonon-les-Bains in April

Minimum:

44.8°F

Average:

46.7°F

Maximum:

48.3°F

Water temperature in Thonon-les-Bains today

As of now, in Thonon-les-Bains, the water temperature is 48.9°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 0.7°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent water temperature and forecast

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming 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 50.6°F on 2025, while the historical minimum was 46.0°F on 2018.

latest data

last year

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 histoorical minimum and others when it was close to the historical maximum. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 50.2°F, with minimum temperature starting at 49.2°F, while the maximum might reach 51.1°F.

Daily water temperature in Thonon-les-Bains

Date	Current Year actual* / forecast**	last year	10 years average
Mar 23	46.9°F	46.1°F	46.5°F
Mar 24	47.4°F	46.5°F	46.7°F
Mar 25	48.2°F	47.8°F	46.8°F
Mar 26	48.1°F	48.1°F	47.0°F
Mar 27	47.4°F	48.3°F	47.0°F
Mar 28	47.9°F	47.1°F	47.0°F
Mar 29	47.7°F	47.4°F	47.0°F
Mar 30	46.6°F	47.2°F	47.0°F
Mar 31	46.7°F	47.2°F	47.2°F
Apr 1	46.0°F	47.9°F	47.5°F
Apr 2	46.1°F	47.7°F	47.6°F
Apr 3	46.3°F	47.9°F	47.6°F
Apr 4	46.3°F	48.4°F	47.4°F
Apr 5	48.5°F	49.6°F	47.8°F
Apr 6	48.9°F	50.6°F	48.2°F
Apr 7	49.2°F	50.0°F	48.4°F
Apr 8	49.4°F	50.1°F	48.7°F
Apr 9	49.9°F	50.5°F	49.2°F
Apr 10	50.4°F	50.9°F	49.7°F
Apr 11	50.6°F	51.4°F	49.9°F
Apr 12	50.9°F	51.8°F	50.2°F
Apr 13	51.1°F	51.7°F	50.4°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 8 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 August 24, 2023, reaching a 77.8°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, 51.0°F in Spring, 70.1°F in Summer, and 61.3°F in Autumn.