Sea Temperature in Heddon's Mouth in December

Complete information on the sea temperature range in the Celtic Sea in Heddon's Mouth in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Heddon's Mouth. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Heddon's Mouth in December

46°F

MINIMUN

51°F

AVERAGE

55°F

MAXIMUM

Historical Data of Water Temperature in December in Heddon's Mouth

Water Temperature Chart for Celtic Sea in Heddon's Mouth in December

Sea Temperature Table in Heddon's Mouth in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	54°C	54°C	54°C	54°C
Dec 2	54°C	54°C	55°C	54°C
Dec 3	54°C	54°C	54°C	54°C
Dec 4	54°C	52°C	54°C	53°C
Dec 5	52°C	52°C	54°C	52°C
Dec 6	54°C	52°C	54°C	53°C
Dec 7	52°C	52°C	54°C	53°C
Dec 8	52°C	52°C	50°C	52°C
Dec 9	52°C	52°C	50°C	51°C
Dec 10	52°C	50°C	52°C	51°C
Dec 11	52°C	50°C	52°C	51°C
Dec 12	52°C	50°C	52°C	51°C
Dec 13	52°C	52°C	52°C	51°C
Dec 14	50°C	50°C	52°C	51°C
Dec 15	50°C	50°C	52°C	51°C
Dec 16	48°C	50°C	50°C	50°C
Dec 17	50°C	50°C	50°C	51°C
Dec 18	50°C	48°C	50°C	50°C
Dec 19	50°C	48°C	48°C	49°C
Dec 20	50°C	48°C	50°C	50°C
Dec 21	50°C	50°C	48°C	50°C
Dec 22	50°C	50°C	48°C	50°C
Dec 23	50°C	50°C	48°C	50°C
Dec 24	48°C	48°C	48°C	49°C
Dec 25	48°C	50°C	50°C	50°C
Dec 26	48°C	50°C	50°C	50°C
Dec 27	48°C	50°C	48°C	49°C
Dec 28	46°C	50°C	48°C	49°C
Dec 29	48°C	50°C	48°C	49°C
Dec 30	46°C	48°C	48°C	48°C

Heddon's Mouth Climate and Swimming Opportunities in December

48°F

Average Day Air Temperature

37°F

Average Night Air Temperature

4 in

Precipitation Amount per Month

17 days

Number of Rainy Days

8 hrs

Daylight
per Day

2 hrs

Sunshine
per Day

10 mph

Average Wind Speed

92%

Average
humidity

Heddon's Mouth lies within the England in United Kingdom. The average daytime temperature in Heddon's Mouth in December is 9°C (47°F), while the nighttime average is 3°C (38°F). There are typically 17 rainy days during the month, with a total precipitation of 109 mm (4.3 inches). The daylight duration in December in Heddon's Mouth is 8 hours, with an average of 2 hours of sunshine per day. The average wind speed in December is 16 km/h (10 mph), and the humidity level is around 92%.

The water temperature in Heddon's Mouth in December ranges from 9°C to 12°C (48°F to 54°F). At the beginning of the month, the average temperature is around 12°C (54°F), shifting to 10°C (50°F) by mid-December and reaching 10°C (50°F) in the last ten days. Overall, the average sea temperature in Heddon's Mouth for December is 10°C (50°F). Still too cold for most swimmers. Only short dips in proper gear are advisable.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Heddon's Mouth

What is the sea temperature in Heddon's Mouth in December?

The water temperature in the Celtic Sea in Heddon's Mouth in December ranges from 9°C to 12°C (48°F to 54°F).

Is it possible to swim in the Celtic Sea in Heddon's Mouth in December?

The average sea temperature in Heddon's Mouth in December is 10°C (50°F), and the air temperature is 9°C (47°F), so still too cold for most swimmers. Only short dips in proper gear are advisable.