Llanelli Climate: Weather by Month and Best Time to Visit

Best months for Llanelli: July, August, September, June.

Best time to visit

Year at a glance

Jan 4.4 Feb 4.9 Mar 5.2 Apr 5.7 May 6.1 Jun 6.3 Jul 6.5 Aug 6.4 Sep 6.4 Oct 5.2 Nov 4.7 Dec 4.5

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	8°C	4°C	129 mm	17	–	–	4.4
February	8°C	4°C	96 mm	13	–	–	4.9
March	9°C	5°C	84 mm	14	–	–	5.2
April	11°C	6°C	75 mm	13	–	–	5.7
May	14°C	9°C	80 mm	13	–	–	6.1
June	16°C	11°C	86 mm	13	–	–	6.3
July	18°C	13°C	91 mm	14	–	–	6.5
August	18°C	13°C	103 mm	14	–	–	6.4
September	17°C	12°C	97 mm	13	–	–	6.4
October	14°C	10°C	144 mm	16	–	–	5.2
November	11°C	7°C	142 mm	17	–	–	4.7
December	8°C	5°C	142 mm	16	–	–	4.5