Sea Temperature in Porth in December

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

10°C

MINIMUN

11.5°C

AVERAGE

13°C

MAXIMUM

Historical Data of Water Temperature in December in Porth

Water Temperature Chart for Celtic Sea in Porth in December

Sea Temperature Table in Porth in December Over the Past Years

Day	2024	2023	2022	Average
Dec 1	13°C	13°C	13°C	13.0°C
Dec 2	13°C	13°C	12°C	12.5°C
Dec 3	13°C	12°C	13°C	12.5°C
Dec 4	12°C	12°C	13°C	12.3°C
Dec 5	12°C	12°C	12°C	12.0°C
Dec 6	13°C	12°C	12°C	12.5°C
Dec 7	13°C	11°C	12°C	12.3°C
Dec 8	12°C	12°C	12°C	12.0°C
Dec 9	13°C	12°C	11°C	12.0°C
Dec 10	13°C	12°C	12°C	12.3°C
Dec 11	12°C	11°C	12°C	11.8°C
Dec 12	12°C	12°C	12°C	12.0°C
Dec 13	12°C	11°C	12°C	11.8°C
Dec 14	11°C	12°C	12°C	11.8°C
Dec 15	11°C	12°C	12°C	11.8°C
Dec 16	11°C	11°C	12°C	11.5°C
Dec 17	11°C	11°C	11°C	11.3°C
Dec 18	12°C	11°C	11°C	11.5°C
Dec 19	12°C	12°C	11°C	11.8°C
Dec 20	12°C	11°C	11°C	11.3°C
Dec 21	11°C	11°C	10°C	11.0°C
Dec 22	11°C	11°C	10°C	11.0°C
Dec 23	11°C	11°C	10°C	11.0°C
Dec 24	11°C	11°C	10°C	11.0°C
Dec 25	11°C	11°C	11°C	11.0°C
Dec 26	11°C	11°C	11°C	11.0°C
Dec 27	11°C	11°C	11°C	11.0°C
Dec 28	11°C	11°C	11°C	11.0°C
Dec 29	11°C	11°C	11°C	11.0°C
Dec 30	10°C	11°C	10°C	10.5°C

Porth 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

Porth lies within the England in United Kingdom. The average daytime temperature in Porth 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 Porth 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 Porth in December ranges from 10°C to 13°C (50°F to 55°F). At the beginning of the month, the average temperature is around 12°C (54°F), shifting to 12°C (54°F) by mid-December and reaching 11°C (52°F) in the last ten days. Overall, the average sea temperature in Porth for December is 12°C (54°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 Porth

What is the sea temperature in Porth in December?

The water temperature in the Celtic Sea in Porth in December ranges from 10°C to 13°C (50°F to 55°F).

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

The average sea temperature in Porth in December is 12°C (54°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.