Harlingen Climate: Weather by Month and Best Time to Visit

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

Best time to visit

Year at a glance

Jan 4.6 Feb 4.8 Mar 5.2 Apr 6.0 May 6.3 Jun 6.6 Jul 6.8 Aug 6.7 Sep 6.4 Oct 5.6 Nov 4.9 Dec 4.6

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	6°C	3°C	73 mm	14	–	–	4.6
February	5°C	3°C	55 mm	12	–	–	4.8
March	7°C	4°C	50 mm	11	–	–	5.2
April	10°C	7°C	40 mm	9	–	–	6.0
May	13°C	10°C	56 mm	11	–	–	6.3
June	16°C	13°C	68 mm	12	–	–	6.6
July	19°C	16°C	83 mm	13	–	–	6.8
August	19°C	16°C	101 mm	14	–	–	6.7
September	17°C	14°C	93 mm	13	–	–	6.4
October	13°C	11°C	96 mm	15	–	–	5.6
November	9°C	7°C	87 mm	16	–	–	4.9
December	7°C	4°C	86 mm	15	–	–	4.6