ClimateAverages

Moncton Climate

New Brunswick, Canada · population 87,467 · 259 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
10.5°C
Warmest month · July
24.9°C
Typical daytime high
Coldest month · January
-13.7°C
Typical overnight low

Moncton has an average annual daytime high of 10.5°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 24.9°C, and its coldest is January, with overnight lows near -13.7°C.

Month by month averages

MonthAvg highAvg low
January-3.8°C-13.7°CColdest
February-2.8°C-13.6°C
March2.0°C-7.6°C
April8.4°C-1.8°C
May16.1°C3.9°C
June21.8°C9.4°C
July24.9°C12.8°CWarmest
August23.7°C11.8°C
September18.9°C7.2°C
October12.6°C2.3°C
November5.9°C-2.3°C
December-1.4°C-10.4°C

Temperature range across the year

-16°-5°6°16°27°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.3°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 Moncton getting hotter?

Since 1900, Moncton's average temperature has risen by +2.4°C. Compared to the earliest station records that begin in 1750, warming totals +2.6°C.

4.2°4.9°5.7°6.5°7.3°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 Moncton?

Moncton's average annual daytime high is 10.5°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 24.9°C, and the coldest is January, with lows averaging -13.7°C.

What is the warmest month in Moncton?

July is the warmest month in Moncton, with typical daytime highs of 24.9°C.

What is the hottest year on record for Moncton?

2023 is the hottest year on record for Moncton, running +2.3°C above the 1951 to 1980 baseline.

Is Moncton getting hotter?

Yes. Since 1900, Moncton has warmed by roughly +2.4°C.

When is the best time to visit Moncton?

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.