ClimateAverages

Saint-Hyacinthe Climate

Quebec, Canada · population 50,326 · 536 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
10.8°C
Warmest month · July
25.8°C
Typical daytime high
Coldest month · January
-15.5°C
Typical overnight low

Saint-Hyacinthe has an average annual daytime high of 10.8°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 25.8°C, and its coldest is January, with overnight lows near -15.5°C.

Month by month averages

MonthAvg highAvg low
January-5.7°C-15.5°CColdest
February-4.3°C-14.8°C
March2.0°C-7.6°C
April10.6°C0.1°C
May18.7°C6.5°C
June23.5°C11.8°C
July25.8°C14.3°CWarmest
August24.5°C13.3°C
September19.7°C8.8°C
October13.0°C3.2°C
November5.3°C-2.2°C
December-3.0°C-11.6°C

Temperature range across the year

-17°-6°5°17°28°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.8°C vs. 1951–1980
Coldest year on record
1811
-2.7°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Saint-Hyacinthe getting hotter?

Since 1900, Saint-Hyacinthe's average temperature has risen by +2.4°C. Compared to the earliest station records that begin in 1750, warming totals +2.8°C.

4.9°5.6°6.4°7.1°7.8°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
May to September

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Saint-Hyacinthe?

Saint-Hyacinthe's average annual daytime high is 10.8°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 25.8°C, and the coldest is January, with lows averaging -15.5°C.

What is the warmest month in Saint-Hyacinthe?

July is the warmest month in Saint-Hyacinthe, with typical daytime highs of 25.8°C.

What is the hottest year on record for Saint-Hyacinthe?

2023 is the hottest year on record for Saint-Hyacinthe, running +2.8°C above the 1951 to 1980 baseline.

Is Saint-Hyacinthe getting hotter?

Yes. Since 1900, Saint-Hyacinthe has warmed by roughly +2.4°C.

When is the best time to visit Saint-Hyacinthe?

May to September typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.