Caerphilly Climate: Weather by Month and Best Time to Visit

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

Best time to visit

Year at a glance

Jan 4.7 Feb 5.3 Mar 5.5 Apr 5.9 May 6.3 Jun 6.9 Jul 7.1 Aug 7.0 Sep 6.8 Oct 5.8 Nov 5.2 Dec 4.8

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	7°C	3°C	95 mm	15	–	–	4.7
February	8°C	3°C	75 mm	11	–	–	5.3
March	9°C	4°C	68 mm	12	–	–	5.5
April	12°C	6°C	70 mm	11	–	–	5.9
May	15°C	9°C	73 mm	12	–	–	6.3
June	18°C	11°C	71 mm	11	–	–	6.9
July	19°C	13°C	74 mm	12	–	–	7.1
August	19°C	13°C	87 mm	12	–	–	7.0
September	17°C	11°C	74 mm	11	–	–	6.8
October	14°C	9°C	106 mm	14	–	–	5.8
November	10°C	6°C	102 mm	14	–	–	5.2
December	8°C	4°C	107 mm	14	–	–	4.8