France > Cherbourg-Octeville

Water temperature in Cherbourg-Octeville

Detailed information about the current water temperature in Cherbourg-Octeville. 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.

55.2

°F

December 4, 10:22

Trend:

stable

Yesterday:

54.7°F

Tomorrow:

55.0°F

Sunrise:

08:45

Sunset:

17:08

Day Length:

8 h. 23 min.

Cherbourg-Octeville in December

Minimum:

49.6°F

Average:

50.7°F

Maximum:

52.1°F

Sea water temperature in Cherbourg-Octeville today

As of now, in Cherbourg-Octeville, the water temperature is 55.2°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 0.3°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 fall a bit.

Recent sea temperature and forecast

Today's water temperature is slightly 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 55.8°F on 2024, while the historical minimum was 53.8°F on 2019.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 54.6°F, the minimum temperature may reach 54.1°F, and the maximum might stay at 55.0°F.

Daily water temperature in Cherbourg-Octeville

Date	Current Year actual* / forecast**	last year	10 years average
Nov 20	57.1°F	57.0°F	57.0°F
Nov 21	56.6°F	56.9°F	56.8°F
Nov 22	56.3°F	56.5°F	56.6°F
Nov 23	56.1°F	56.2°F	56.4°F
Nov 24	55.9°F	56.1°F	56.2°F
Nov 25	55.7°F	56.2°F	56.1°F
Nov 26	55.5°F	56.1°F	56.0°F
Nov 27	55.4°F	56.3°F	55.9°F
Nov 28	55.4°F	56.4°F	55.8°F
Nov 29	55.2°F	56.2°F	55.7°F
Nov 30	55.3°F	56.0°F	55.5°F
Dec 1	55.1°F	56.0°F	55.4°F
Dec 2	55.0°F	56.1°F	55.2°F
Dec 3	54.7°F	55.9°F	55.0°F
Dec 4	55.2°F	55.8°F	54.9°F
Dec 5	55.0°F	55.6°F	54.8°F
Dec 6	55.0°F	56.3°F	54.7°F
Dec 7	55.0°F	56.1°F	54.7°F
Dec 8	54.7°F	55.7°F	54.4°F
Dec 9	54.4°F	55.0°F	54.1°F
Dec 10	54.2°F	54.6°F	53.9°F
Dec 11	54.1°F	54.2°F	53.8°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 Cherbourg-Octeville by month

In an average year, Cherbourg-Octeville offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Cherbourg-Octeville was recorded on August 27, 2025, reaching a 66.7°F. While the coldest temperature occurred on March 5, 2018, dipping to 45.3°F. The average readings by season are 50.7°F in Winter, 50.5°F in Spring, 61.1°F in Summer, and 61.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Saint Peter Port	55.9°F	43mi
Saint-Malo	52.8°F	71mi
Portland	53.4°F	74mi

* current water temperature in this city

** straight line distance from Cherbourg-Octeville