Sea Temperature in Gelliswick in December

Complete information on the sea temperature range in the Celtic Sea in Gelliswick in December. Historical daily data. Climate details for December. Tips on swimming conditions and beach relaxation in Gelliswick. 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 Gelliswick in December

48°F

MINIMUN

53°F

AVERAGE

57°F

MAXIMUM

Historical Data of Water Temperature in December in Gelliswick

Water Temperature Chart for Celtic Sea in Gelliswick in December

Sea Temperature Table in Gelliswick in December Over the Past Years

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

Gelliswick 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

Gelliswick lies within the Wales in United Kingdom. The average daytime temperature in Gelliswick 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 Gelliswick 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 Gelliswick 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 11°C (52°F) by mid-December and reaching 10°C (50°F) in the last ten days. Overall, the average sea temperature in Gelliswick for December is 11°C (52°F). The water is still cold, but for short swims, it can be manageable. Warm clothes are necessary after swimming.

Sea Temperature in December in Nearby Cities

Frequently Asked Questions About Water Temperatures in December in Gelliswick

What is the sea temperature in Gelliswick in December?

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

Is it possible to swim in the Celtic Sea in Gelliswick in December?

The average sea temperature in Gelliswick in December is 11°C (52°F), and the air temperature is 9°C (47°F), so the water is still cold, but for short swims, it can be manageable. Warm clothes are necessary after swimming.