ClimateAverages

Fredericton Climate

New Brunswick, Canada · population 52,337 · 226 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
10.9°C
Warmest month · July
25.2°C
Typical daytime high
Coldest month · January
-14.5°C
Typical overnight low

Fredericton has an average annual daytime high of 10.9°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 25.2°C, and its coldest is January, with overnight lows near -14.5°C.

Month by month averages

MonthAvg highAvg low
January-3.9°C-14.5°CColdest
February-2.5°C-14.2°C
March2.8°C-7.7°C
April9.5°C-1.5°C
May17.0°C4.2°C
June22.2°C9.4°C
July25.2°C12.7°CWarmest
August24.3°C11.9°C
September19.4°C7.3°C
October12.8°C2.1°C
November5.7°C-2.7°C
December-1.8°C-11.2°C

Temperature range across the year

-16°-6°5°16°27°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+2.4°C vs. 1951–1980
Coldest year on record
1784
-2.9°C vs. 1951–1980

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

Is Fredericton getting hotter?

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

4.3°5.1°5.8°6.6°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 Fredericton?

Fredericton's average annual daytime high is 10.9°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 25.2°C, and the coldest is January, with lows averaging -14.5°C.

What is the warmest month in Fredericton?

July is the warmest month in Fredericton, with typical daytime highs of 25.2°C.

What is the hottest year on record for Fredericton?

2023 is the hottest year on record for Fredericton, running +2.4°C above the 1951 to 1980 baseline.

Is Fredericton getting hotter?

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

When is the best time to visit Fredericton?

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.