ClimateAverages

Niagara Falls Climate

Ontario, Canada · population 82,000 · 583 weather stations within 200 km · records 1750 to 2025

Average annual daytime high
12.9°C
Warmest month · July
26.3°C
Typical daytime high
Coldest month · January
-7.9°C
Typical overnight low

Niagara Falls has an average annual daytime high of 12.9°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 26.3°C, and its coldest is January, with overnight lows near -7.9°C.

Month by month averages

MonthAvg highAvg low
January-0.9°C-7.9°CColdest
February-0.2°C-7.8°C
March4.2°C-3.3°C
April11.3°C2.0°C
May17.9°C7.8°C
June23.5°C13.7°C
July26.3°C16.6°CWarmest
August25.4°C16.1°C
September21.6°C12.4°C
October15.2°C6.5°C
November8.4°C1.6°C
December1.9°C-4.6°C

Temperature range across the year

-10°-0°9°19°28°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2011
+2.8°C vs. 1951–1980
Coldest year on record
1783
-2.6°C vs. 1951–1980

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

Is Niagara Falls getting hotter?

Since 1900, Niagara Falls's average temperature has risen by +2.1°C. Compared to the earliest station records that begin in 1750, warming totals +2.7°C.

8.0°8.7°9.3°10.0°10.6°1951–1980 baseline190019251950197520002025

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

Best time to visit
May to October

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

FAQ

What is the average temperature in Niagara Falls?

Niagara Falls's average annual daytime high is 12.9°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 26.3°C, and the coldest is January, with lows averaging -7.9°C.

What is the warmest month in Niagara Falls?

July is the warmest month in Niagara Falls, with typical daytime highs of 26.3°C.

What is the hottest year on record for Niagara Falls?

2011 is the hottest year on record for Niagara Falls, running +2.8°C above the 1951 to 1980 baseline.

Is Niagara Falls getting hotter?

Yes. Since 1900, Niagara Falls has warmed by roughly +2.1°C.

When is the best time to visit Niagara Falls?

May to October 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.