Llanelli Weather in December
What's the weather like in Llanelli (Wales) in December 2024?
The climate in Llanelli during December can be summarized as cool and wet.
December is in the winter in Llanelli and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 8°C (47°F), whilst at night 3°C (37°F) is normal.
| Daytime temperature | 8.2°C 46.8°F |
|---|---|
| Nightly temperature | 3°C 37.4°F |
| Average temperature | 5.6°C 42.1°F |
| Daily sunshine | 1.8 hrs |
| Avg rainfall | 164 mm 6.5 ins |
| Rainy days | 20 days |
| Sea temperature | 11.2°C 52.1°F |
| Humidity | 91% |
| Windspeed | 23kph 14 mph |
On average December is the wettest month of the year in Llanelli with around 164mm 6.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 1.8 hours of sunshine per day.
December temperatures in Llanelli
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Llanelli in December 2024.
Other monthly averages
Best places to visit in December
Llanelli weather stats
| Hottest month: | July | 19.1°C 66.4°F |
|---|---|---|
| Driest month: | April | 84mm 3.3ins |
| Sunniest month: | May | 6.9hrs |
| Coldest month: | February | 7°C 44.6°F |
| Wettest month: | December | 164mm 6.5ins |
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