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.

53.2

°F

December 20, 18:07

Trend:

decreasing

Yesterday:

53.9°F

Tomorrow:

53.1°F

Sunrise:

09:00

Sunset:

17:08

Day Length:

8 h. 8 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 53.2°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. 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 54.8°F on 2015, while the historical minimum was 52.1°F on 2021.

latest data

last year

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. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 52.6°F, the minimum temperature may reach 52.4°F, and the maximum might stay at 53.1°F.

Daily water temperature in Cherbourg-Octeville

Date	Current Year actual* / forecast**	last year	10 years average
Dec 6	55.2°F	56.3°F	54.8°F
Dec 7	55.9°F	56.1°F	54.8°F
Dec 8	55.8°F	55.7°F	54.5°F
Dec 9	55.7°F	55.0°F	54.2°F
Dec 10	55.6°F	54.6°F	54.0°F
Dec 11	55.1°F	54.2°F	53.9°F
Dec 12	55.3°F	53.6°F	53.8°F
Dec 13	55.4°F	53.4°F	53.7°F
Dec 14	54.9°F	53.5°F	53.6°F
Dec 15	54.9°F	53.5°F	53.5°F
Dec 16	54.9°F	53.8°F	53.4°F
Dec 17	54.3°F	53.7°F	53.2°F
Dec 18	54.0°F	53.5°F	53.2°F
Dec 19	53.9°F	53.5°F	53.1°F
Dec 20	53.2°F	53.6°F	52.9°F
Dec 21	53.1°F	53.0°F	52.8°F
Dec 22	52.9°F	52.8°F	52.7°F
Dec 23	52.8°F	52.8°F	52.5°F
Dec 24	52.6°F	52.4°F	52.3°F
Dec 25	52.5°F	52.4°F	52.3°F
Dec 26	52.4°F	52.6°F	52.1°F
Dec 27	52.4°F	52.7°F	52.1°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	54.9°F	43mi
Saint-Malo	51.9°F	71mi
Portland	52.3°F	74mi

* current water temperature in this city

** straight line distance from Cherbourg-Octeville