Water temperature in Llanelli in December

Home > United Kingdom > Wales > Llanelli

Is it warm enough to swim in Llanelli in December? Average water temperature in Llanelli in December is 9.8°C and therefore is not suitable for comfortable swimming. The warmest sea in Llanelli in December is 12.2°C, and the coldest is 6.8°C. To find out the sea temperature today and in the coming days, go to Current sea temperature in Llanelli

Changes water temperature in Llanelli in December 2024, 2023

To get an accurate forecast for the water temperature in Llanelli for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Llanelli, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of December.

Sea temperature

Tides

Weather forecast

You can choose any other years:

Day	2024	2023	Min	Max
1 December	11.1°C	11.3°C	9.7°C	12.2°C
2 December	10.9°C	11.1°C	9.5°C	11.9°C
3 December	10.9°C	11.1°C	9.6°C	11.8°C
4 December	10.8°C	10.9°C	9.6°C	11.6°C
5 December	10.8°C	10.7°C	8.9°C	11.3°C
6 December	10.8°C	10.6°C	9°C	11.4°C
7 December	10.8°C	10.5°C	9°C	11.8°C
8 December	10.6°C	10.1°C	8.8°C	11.3°C
9 December	10.4°C	9.9°C	8.8°C	11.1°C
10 December	10.2°C	10°C	8.8°C	10.9°C
11 December	10.1°C	9.7°C	8.8°C	10.7°C
12 December	10°C	9.8°C	8.4°C	10.6°C
13 December	10.1°C	9.8°C	8.4°C	10.8°C
14 December	10°C	9.6°C	8.3°C	10.6°C
15 December	9.6°C	9°C	8.4°C	10.7°C

Day	2024	2023	Min	Max
16 December	9.6°C	8.9°C	7.7°C	10.8°C
17 December	9.3°C	8.9°C	7.8°C	11.1°C
18 December	9.6°C	8.8°C	7.5°C	10.9°C
19 December	9.5°C	8.5°C	7.6°C	11.1°C
20 December	9.4°C	8.6°C	7.8°C	11.1°C
21 December	9.4°C	9.2°C	7.7°C	11.1°C
22 December	9.4°C	9.5°C	7.4°C	11°C
23 December	9.2°C	9.5°C	7.4°C	11°C
24 December	9.1°C	9.6°C	6.8°C	10.9°C
25 December	8.9°C	9.7°C	7°C	10.7°C
26 December	8.7°C	9.6°C	7.1°C	10.6°C
27 December	8.6°C	9.6°C	7.2°C	10.5°C
28 December	8.5°C	9.6°C	7.2°C	10.7°C
29 December	7.9°C	9.6°C	7.3°C	11°C
30 December	8.3°C	9.7°C	7.4°C	10.8°C
31 December	8.4°C	9.5°C	7.5°C	10.7°C

Average water temperature in Llanelli in December over a decade

2015	2016	2017	2018	2019
11°C	10.1°C	9.8°C	9.6°C	9.3°C

2020	2021	2022	2023	2024
9.8°C	9.7°C	9.9°C	9.8°C	9.7°C

Llanelli sea state in December

Chart comparing the height of waves in Llanelli in December over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Llanelli water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Temperature in neighboring cities

The nearest locations with the average water temperature in December. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

	Avr	Min	Max
Burry Port	9.8°C	6.8°C	12.2°C
Broughton Bay	9.9°C	6.8°C	12.3°C
Pobbles Bay	9.7°C	6.3°C	12.2°C
Three Cliffs Bay	9.7°C	6.3°C	12.2°C
Rhossili	10°C	6.9°C	12.4°C
Llangennith	10°C	6.9°C	12.4°C
Caswell Bay	9.7°C	6.2°C	12.1°C
Port Eynon	10°C	6.7°C	12.4°C
Gower	9.9°C	6.6°C	12.4°C
Tor Bay	9.9°C	6.6°C	12.4°C

Wales photo gallery

If you have interesting photos of this place, you can upload them here. Photos will be available to all users after verification by the moderator.

Vote for Wales best beach

Get widget or API for your website

Our report for Llanelli is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

Region

Date (day and month)

Water temperature: min 16°C

Average temperature Maximum temperature