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

9°C

MINIMUN

11.5°C

AVERAGE

14°C

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	12°C	12°C	13°C	12.5°C
Dec 2	13°C	12°C	13°C	12.5°C
Dec 3	12°C	12°C	13°C	12.3°C
Dec 4	11°C	12°C	13°C	12.0°C
Dec 5	12°C	12°C	13°C	12.3°C
Dec 6	11°C	12°C	13°C	12.0°C
Dec 7	12°C	11°C	12°C	11.8°C
Dec 8	12°C	12°C	11°C	12.0°C
Dec 9	12°C	12°C	11°C	11.8°C
Dec 10	12°C	11°C	12°C	11.5°C
Dec 11	12°C	11°C	12°C	11.5°C
Dec 12	12°C	11°C	12°C	11.5°C
Dec 13	12°C	10°C	12°C	11.3°C
Dec 14	10°C	11°C	12°C	11.0°C
Dec 15	10°C	10°C	11°C	10.8°C
Dec 16	10°C	10°C	12°C	11.0°C
Dec 17	10°C	10°C	11°C	10.5°C
Dec 18	11°C	10°C	11°C	10.8°C
Dec 19	11°C	10°C	10°C	10.5°C
Dec 20	10°C	10°C	10°C	10.3°C
Dec 21	10°C	10°C	10°C	10.3°C
Dec 22	10°C	10°C	11°C	10.5°C
Dec 23	10°C	10°C	10°C	10.3°C
Dec 24	10°C	11°C	10°C	10.5°C
Dec 25	10°C	11°C	11°C	10.8°C
Dec 26	9°C	11°C	11°C	10.5°C
Dec 27	9°C	11°C	10°C	10.0°C
Dec 28	9°C	10°C	10°C	9.8°C
Dec 29	9°C	11°C	10°C	10.0°C
Dec 30	9°C	10°C	10°C	9.8°C

Gelliswick Climate and Swimming Opportunities in December

9°C

Average Day Air Temperature

3°C

Average Night Air Temperature

109 mm

Precipitation Amount per Month

17 days

Number of Rainy Days

8 hrs

Daylight
per Day

2 hrs

Sunshine
per Day

16 km/h

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.