All data are in degrees Fahrenheit

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Water temperature in Saint-Louis

Detailed information about the current water temperature in Saint-Louis. 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 Saint-Louis now

71.9

°F

May 22, 03:27

Trend:

stable

Yesterday:

72.0°F

Tomorrow:

72.0°F

Sunrise:

06:34

Sunset:

19:31

Day Length:

12 h. 57 min.

Saint-Louis in May

Minimum:

63.9°F

Average:

67.7°F

Maximum:

71.2°F

Sea water temperature in Saint-Louis today

As of now, in Saint-Louis, the water temperature is 71.9°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.7°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 stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 73.5°F on 2015, while the historical minimum was 65.8°F on 2018.

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. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 71.9°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Saint-Louis

Date Current Year

actual* / forecast**

last year 10 years average
May 8 69.2°F 71.5°F 67.6°F
May 9 71.1°F 72.2°F 67.8°F
May 10 71.7°F 72.2°F 68.3°F
May 11 71.4°F 71.4°F 67.9°F
May 12 71.8°F 70.7°F 68.3°F
May 13 72.1°F 72.2°F 68.6°F
May 14 72.1°F 70.2°F 68.6°F
May 15 72.6°F 72.7°F 69.3°F
May 16 70.9°F 72.2°F 69.1°F
May 17 71.0°F 71.3°F 69.1°F
May 18 69.4°F 72.8°F 69.4°F
May 19 70.1°F 72.4°F 70.0°F
May 20 69.4°F 73.4°F 70.0°F
May 21 72.0°F 71.1°F 70.3°F
May 22 71.9°F 71.2°F 70.2°F
May 23 72.0°F 72.1°F 70.3°F
May 24 71.9°F 72.1°F 70.2°F
May 25 71.6°F 73.0°F 69.9°F
May 26 71.7°F 73.4°F 70.1°F
May 27 72.0°F 73.4°F 70.3°F
May 28 72.1°F 75.3°F 70.4°F
May 29 72.1°F 72.4°F 70.4°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.

Sea water temperature in Saint-Louis by month

In Saint-Louis, the months June through November offer comfortable swimming conditions, which amounts to 171 swimming days.
The warmest water in Saint-Louis was recorded on September 25, 2023, reaching a 86.2°F. While the coldest temperature occurred on February 10, 2018, dipping to 59.6°F. The average readings by season are 67.2°F in Winter, 66.2°F in Spring, 78.9°F in Summer, and 80.5°F in Autumn.