Llanelli Weather in October
What's the weather like in Llanelli (Wales) in October 2025?
The climate in Llanelli during October can be summarized as mild and wet.
October is in the fall / autumn in Llanelli and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 8°C (46°F) is normal.
| Daytime temperature | 14°C 57.2°F |
|---|---|
| Nightly temperature | 8°C 46.4°F |
| Average temperature | 11°C 51.8°F |
| Daily sunshine | 3.4 hrs |
| Avg rainfall | 157 mm 6.2 ins |
| Rainy days | 19 days |
| Sea temperature | 14.6°C 58.3°F |
| Humidity | 89% |
| Windspeed | 19.8kph 12 mph |
On average October is the 3rd wettest month of the year in Llanelli with around 157mm 6.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.4 hours of sunshine per day.
October temperatures in Llanelli
October rainfall
October 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 October 2025.
Other monthly averages
Best places to visit in October
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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