ClimateAverages

Granby Climate

Quebec, Canada · population 53,979 · 566 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
10.7°C
Warmest month · July
25.3°C
Typical daytime high
Coldest month · January
-15.5°C
Typical overnight low

Granby has an average annual daytime high of 10.7°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 25.3°C, and its coldest is January, with overnight lows near -15.5°C.

Month by month averages

MonthAvg highAvg low
January-5.1°C-15.5°CColdest
February-3.9°C-15.0°C
March2.1°C-8.0°C
April10.3°C-0.6°C
May18.2°C5.8°C
June22.9°C11.0°C
July25.3°C13.5°CWarmest
August24.0°C12.5°C
September19.4°C8.1°C
October12.8°C2.5°C
November5.2°C-2.8°C
December-2.6°C-11.8°C

Temperature range across the year

-18°-6°5°16°27°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.7°C vs. 1951–1980
Coldest year on record
1811
-2.5°C vs. 1951–1980

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

Is Granby getting hotter?

Since 1900, Granby's average temperature has risen by +2.3°C. Compared to the earliest station records that begin in 1750, warming totals +2.8°C.

4.5°5.2°6.0°6.7°7.4°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 Granby?

Granby's average annual daytime high is 10.7°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 25.3°C, and the coldest is January, with lows averaging -15.5°C.

What is the warmest month in Granby?

July is the warmest month in Granby, with typical daytime highs of 25.3°C.

What is the hottest year on record for Granby?

2023 is the hottest year on record for Granby, running +2.7°C above the 1951 to 1980 baseline.

Is Granby getting hotter?

Yes. Since 1900, Granby has warmed by roughly +2.3°C.

When is the best time to visit Granby?

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.