All data are in degrees Fahrenheit

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Water temperature in Saint-Malo

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

71.2

°F

August 14, 06:23

Trend:

decreasing

Yesterday:

71.2°F

Tomorrow:

71.1°F

Sunrise:

06:59

Sunset:

21:25

Day Length:

14 h. 26 min.

Saint-Malo in August

Minimum:

48.0°F

Average:

49.5°F

Maximum:

51.5°F

Sea water temperature in Saint-Malo today

As of now, in Saint-Malo, the water temperature is 71.2°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 4.5°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

Today's water temperature is notably higher than the average recorded over the past two weeks, indicating a significant warming trend. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 69.6°F on 2022, while the historical minimum was 64.8°F on 2017.

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 71.1°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-Malo

Date Current Year

actual* / forecast**

last year 10 years average
Jul 31 68.8°F 67.5°F 66.6°F
Aug 1 68.8°F 67.2°F 66.5°F
Aug 2 69.1°F 67.1°F 66.6°F
Aug 3 69.1°F 67.6°F 66.7°F
Aug 4 69.4°F 67.7°F 66.7°F
Aug 5 69.5°F 68.0°F 66.8°F
Aug 6 69.2°F 67.3°F 66.7°F
Aug 7 68.6°F 67.7°F 66.6°F
Aug 8 68.7°F 67.0°F 66.6°F
Aug 9 69.8°F 67.0°F 66.7°F
Aug 10 68.8°F 67.0°F 66.6°F
Aug 11 68.7°F 67.2°F 66.8°F
Aug 12 70.4°F 69.1°F 67.2°F
Aug 13 71.2°F 68.7°F 66.8°F
Aug 14 71.2°F 68.4°F 66.7°F
Aug 15 71.1°F 68.1°F 66.6°F
Aug 16 71.3°F 68.8°F 66.8°F
Aug 17 71.3°F 69.0°F 66.8°F
Aug 18 71.3°F 68.1°F 66.8°F
Aug 19 71.1°F 67.5°F 66.6°F
Aug 20 70.9°F 67.5°F 66.5°F
Aug 21 70.9°F 67.3°F 66.4°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-Malo by month

In an average year, Saint-Malo offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Saint-Malo was recorded on August 12, 2026, reaching a 70.4°F. While the coldest temperature occurred on March 1, 2018, dipping to 44.6°F. The average readings by season are 49.2°F in Winter, 51.9°F in Spring, 64.3°F in Summer, and 61.1°F in Autumn.