All data are in degrees Fahrenheit

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Water temperature in Calais

Detailed information about the current water temperature in Calais. 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 Calais now

49.3

°F

December 22, 03:53

Trend:

stable

Yesterday:

49.2°F

Tomorrow:

49.3°F

Sunrise:

08:54

Sunset:

16:49

Day Length:

7 h. 55 min.

Calais in December

Minimum:

45.1°F

Average:

47.7°F

Maximum:

50.7°F

Sea water temperature in Calais today

As of now, in Calais, the water temperature is 49.3°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 0.5°F lower 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 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 52.7°F on 2015, while the historical minimum was 48.3°F on 2022.

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 minimum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 49.2°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Calais

Date Current Year

actual* / forecast**

last year 10 years average
Dec 8 51.0°F 50.9°F 51.4°F
Dec 9 51.7°F 50.4°F 51.2°F
Dec 10 51.5°F 50.1°F 51.0°F
Dec 11 51.3°F 49.3°F 50.8°F
Dec 12 51.2°F 49.7°F 50.8°F
Dec 13 51.0°F 50.1°F 50.5°F
Dec 14 50.9°F 50.3°F 50.5°F
Dec 15 50.2°F 50.3°F 50.3°F
Dec 16 49.6°F 50.4°F 50.2°F
Dec 17 48.9°F 50.4°F 49.9°F
Dec 18 48.9°F 49.7°F 49.9°F
Dec 19 49.1°F 50.0°F 49.8°F
Dec 20 49.2°F 50.1°F 49.9°F
Dec 21 49.2°F 50.4°F 49.7°F
Dec 22 49.3°F 50.5°F 49.8°F
Dec 23 49.3°F 50.6°F 49.8°F
Dec 24 49.4°F 50.7°F 49.9°F
Dec 25 49.3°F 50.7°F 49.8°F
Dec 26 49.3°F 50.8°F 49.8°F
Dec 27 49.1°F 49.8°F 49.6°F
Dec 28 48.9°F 49.5°F 49.4°F
Dec 29 48.9°F 49.7°F 49.4°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 Calais by month

In an average year, Calais offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Calais was recorded on August 14, 2022, reaching a 70.3°F. While the coldest temperature occurred on March 2, 2018, dipping to 40.8°F. The average readings by season are 47.9°F in Winter, 49.9°F in Spring, 63.0°F in Summer, and 60.5°F in Autumn.

Popular neighboring cities and resorts

City Water temperature* Distance**
Boulogne-sur-Mer 49.5°F 19mi
Dunkerque 48.1°F 23mi
Canterbury 45.3°F 41mi

* current water temperature in this city

** straight line distance from Calais