Canada · 1991–2020

Best time to visit
Saint-Hyacinthe.

June leads for comfortable weather in Saint-Hyacinthe: typically 24.3°C by day, 13.2°C at night, with 97 mm of rain. Based on measured 1991–2020 NOAA station history.

Best comfortJune

Typical high24.3°C

Typical low13.2°C

Rain in June97 mm

Comfort

June

June · August · July

80climate match

Beach

July

July · August · June

54climate match

Outdoors

September

September · May · June

79climate match

The weakest month is January, scoring 5 against June’s 80 — days reach only -5.2°C, 29° below the 24°C the score treats as ideal.

Month by month

The whole year,
without the guesswork.

The bars show the comfort score. Day and night temperatures come from daily observed highs and lows; rain is the historical monthly estimate.

Jan

5-5.2° / -14.7°

Feb

5-4° / -13.8°

Mar

52.2° / -7.2°

Apr

1610.9° / 0.7°

May

5719.6° / 7.8°

Jun

8024.3° / 13.2°

Jul

7326.4° / 15.4°

Aug

7725.4° / 14.2°

Sep

6821.1° / 9.9°

Oct

2613.3° / 4°

Nov

55.8° / -1.8°

Dec

5-1° / -8.9°

Monthly climate evidence for Saint-Hyacinthe — daylight is calculated from latitude, everything else is measured
Month	Day	Night	Rain	Wet days	Daylight	Comfort	Coverage
January	-5.2°C	-14.7°C	76 mm	12.3	9 h 03	5	Strong coverage
February	-4°C	-13.8°C	56 mm	9.4	10 h 18	5	Strong coverage
March	2.2°C	-7.2°C	62 mm	10.2	11 h 46	5	Strong coverage
April	10.9°C	0.7°C	91 mm	10.8	13 h 27	16	Strong coverage
May	19.6°C	7.8°C	92 mm	11.3	14 h 53	57	Strong coverage
June	24.3°C	13.2°C	97 mm	11.3	15 h 41	80	Strong coverage
July	26.4°C	15.4°C	113 mm	11.5	15 h 22	73	Strong coverage
August	25.4°C	14.2°C	104 mm	10.5	14 h 07	77	Strong coverage
September	21.1°C	9.9°C	89 mm	9.8	12 h 29	68	Strong coverage
October	13.3°C	4°C	115 mm	11.9	10 h 51	26	Strong coverage
November	5.8°C	-1.8°C	80 mm	11.2	9 h 25	5	Strong coverage
December	-1°C	-8.9°C	88 mm	12.2	8 h 42	5	Strong coverage

What has changed

Saint-Hyacinthe runs +1.2°C
on the 1961–1990 baseline.

Each bar compares the 2011–2025 daytime average for that month against the same month in 1961–1990, measured at the same station. Months where the older record is too thin to compare are left blank.

Jan

+1.7

Feb

+1.0

Mar

+1.2

Apr

+0.1

May

+1.5

Jun

+0.4

Jul

+0.4

Aug

+0.7

Sep

+2.0

Oct

+2.0

Nov

+0.8

Dec

+2.8

June daytime highs, 2012–2023. Last recorded: 24.0°C.

Records at ST HYACINTHE 2, 1963–2024
Month	Record high	Record low	Wettest day	Wettest / driest month	Years
January	15.0°C19 Jan 1996	-41.0°C27 Jan 1994	45 mm4 Jan 1993	131 mm2018 · driest 16 mm in 1981	53
February	15.6°C27 Feb 2024	-38.5°C7 Feb 1993	37 mm17 Feb 2022	125 mm1997 · driest 3 mm in 1993	51
March	25.4°C21 Mar 2012	-33.0°C9 Mar 2007	67 mm14 Mar 2017	149 mm1976 · driest 9 mm in 1993	53
April	31.0°C27 Apr 2009	-15.0°C9 Apr 1977	49 mm19 Apr 2019	155 mm2019 · driest 9 mm in 1972	54
May	35.5°C27 May 2020	-4.2°C18 May 2023	40 mm19 May 2006	208 mm2006 · driest 15 mm in 2021	54
June	35.0°C15 Jun 1988	0.0°C3 Jun 1986	70 mm19 Jun 1978	164 mm2014 · driest 35 mm in 1964	54
July	35.0°C2 Jul 2018	5.0°C4 Jul 1982	81 mm23 Jul 1995	263 mm2004 · driest 33 mm in 2013	55
August	35.6°C1 Aug 1975	3.0°C24 Aug 2004	126 mm28 Aug 2011	218 mm1972 · driest 25 mm in 1987	52
September	34.0°C9 Sep 2002	-4.5°C29 Sep 1980	60 mm9 Sep 2004	190 mm1999 · driest 19 mm in 2020	50
October	29.6°C4 Oct 2023	-8.3°C20 Oct 1972	81 mm7 Oct 2005	208 mm2005 · driest 13 mm in 1963	52
November	22.3°C5 Nov 2022	-25.0°C23 Nov 2018	103 mm8 Nov 1996	215 mm1983 · driest 19 mm in 2012	52
December	17.1°C24 Dec 2015	-35.0°C30 Dec 1989	55 mm20 Dec 1973	219 mm2003 · driest 32 mm in 2002	52

Typical days per month at ST HYACINTHE 2, 1991–2020
Month	Days 25°C+	Days 30°C+	Frost nights	Heavy rain (10 mm+)	Snow days
January	0	0	29	3	11
February	0	0	26	2	9
March	0	0	26	2	6
April	<1	0	14	3	2
May	6	1	1	3	0
June	13	4	0	3	0
July	21	5	0	4	0
August	18	3	0	3	0
September	6	<1	<1	3	0
October	<1	0	7	4	<1
November	0	0	19	2	4
December	0	0	27	2	9

How often, not how much — every day in ST HYACINTHE 2’s record sorted by what it was actually like, rather than averaged
Month	Warm & dry days	Wet days	Washouts	Week with 3+ wet days	Daytime mean has ranged
January	0%	39%	7%	57%	-9.2–-2.1°C
February	0%	34%	6%	46%	-7.4–-0.6°C
March	<1%	34%	7%	49%	-0.6–5.5°C
April	7%	36%	10%	45%	8.5–13.5°C
May	33%	35%	10%	46%	16.8–22.6°C
June	55%	38%	11%	53%	22.6–25.6°C
July	63%	36%	11%	48%	24.7–28.2°C
August	62%	34%	10%	43%	23.6–26.9°C
September	37%	33%	11%	46%	18.6–22.7°C
October	10%	36%	10%	50%	10.6–15.8°C
November	<1%	40%	9%	58%	2.8–8.0°C
December	0%	41%	9%	65%	-5.2–1.6°C

A warm and dry day reaches 20°C with under 1 mm of rain; a wet day gets 1 mm or more; a washout gets 10 mm or more. The week column is the share of seven-day stretches in that month, across the station’s whole daily record, that contained three or more wet days — the odds a week-long trip is rained on repeatedly, counted rather than modelled. The last column is the 10th to 90th percentile of that month’s daytime average across individual years: a narrow band means the average is what you will get, a wide one means the average is a midpoint between years that felt quite different.

1969Each stripe is one year’s mean temperature against the 43-year average. Warmest: 2012. Coolest: 1993.2023

The evidence behind this page

Nearby, measured,
and named.

Place identity: GeoNames 6138374
NOAA station: CA007027361 · ST HYACINTHE 2
Station distance: 7.8 km from the place centre
Climate period: 1991–2020
Minimum month coverage: 25 usable years
Daylight: Calculated from latitude 45.63°, mid-month, sunrise to sunset including refraction. Not a station measurement.
Important limit: Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

These places read the same station, so their numbers are identical — distance from ST HYACINTHE 2 is what differs

Saint-Pie→Saint-Damase→Douville→Jogues→La Providence→Notre-Dame-de-Saint-Hyacinthe→

Or put two places side by side: Saint-Hyacinthe vs Saint-Pie

Best time to visitSaint-Hyacinthe.