Best Time to Visit Saint John: Month-by-Month Guide

Best months for Saint John: August, July.

Best months for Saint John: August, July.
Peak season is August, July, September. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
Wettest months: December, April, May.
The least pleasant month is January (score 3.4).

Year at a glance

Jan 3.4 Feb 3.7 Mar 3.8 Apr 4.7 May 5.6 Jun 6.3 Jul 7.0 Aug 7.4 Sep 6.7 Oct 5.8 Nov 4.9 Dec 3.5

Weather by month

Month	Avg high	Avg low	Rainfall	Rainy days	Humidity	Sunshine	Score
January	-2°C	-9°C	112 mm	12	–	–	3.4
February	-1°C	-8°C	96 mm	10	–	–	3.7
March	2°C	-4°C	112 mm	12	–	–	3.8
April	6°C	1°C	105 mm	12	–	–	4.7
May	11°C	6°C	103 mm	12	–	–	5.6
June	15°C	11°C	108 mm	12	–	–	6.3
July	18°C	14°C	91 mm	11	–	–	7.0
August	19°C	15°C	81 mm	9	–	–	7.4
September	16°C	12°C	108 mm	10	–	–	6.7
October	12°C	7°C	133 mm	11	–	–	5.8
November	7°C	2°C	128 mm	11	–	–	4.9
December	2°C	-4°C	137 mm	13	–	–	3.5

Frequently asked questions

When is the best time to visit Saint John?

The best months are August, July.

When is the rainy season in Saint John?

The wettest months are December, April, May.