Brantford, Ontario Weather by Month and Climate Averages

December is the warmest month (average high 2°C) and January the coldest (average low -6°C).

Brantford climate at a glance

Climate at a glance

Does it snow in Brantford?

The snowiest winter on record is 2013–14, with 164 cm.

The most recent measurable snow at the station fell on April 5, 2024.

Brantford weather by month

Brantford weather in January

In January, Brantford averages a high of 1°C and a low of -6°C. The sun is out about 18% of daylight hours. The January record high is 13°C (2013) and the record low is -24°C (2018).

Brantford weather in December

In December, Brantford averages a high of 2°C and a low of -6°C. The sun is out about 18% of daylight hours. The December record high is 17°C (2015) and the record low is -26°C (2017).

Sunshine, humidity and wind in Brantford

July is the sunniest month in Brantford, with sunshine about 50% of daylight hours. January is the cloudiest, at 18%. Over the year the sun shines about 37% of daylight hours. Brantford is sunnier than 60% of Canada.

Humidity peaks in January at 79% and is lowest in May at 61%.

Brantford weather records

The hottest temperature on record at the Brantford station is 36°C, on July 17, 2012. The coldest is -29°C, on February 16, 2015.

The wettest day on record brought 66 mm of rain, on July 22, 2012.

Monthly climate

MonthPrecipRain daysHumiditySunshineRecord highRecord low
January79%18%13°-24°
February72%30%18°-29°
March67%33%27°-23°
April63%36%28°-11°
May61%43%32°-4°
June64%48%33°
July70%50%36°
August73%48%33°
September74%50%33°
October75%38%30°-7°
November73%36%24°-15°
December57 mm1578%18%17°-26°

From ERA5 reanalysis. Sunshine is estimated from cloud cover.

Brantford climate questions

What is the hottest month in Brantford?

December is the warmest month in Brantford, with an average high of 2°C.

What is the coldest month in Brantford?

January is the coldest month in Brantford, with an average low of -6°C.

What is the record high temperature in Brantford?

The record high at the Brantford station is 36°C, set on July 17, 2012. The record low is -29°C, on February 16, 2015.

What is the sunniest month in Brantford?

July is the sunniest month in Brantford, with sunshine about 50% of daylight hours. January is the cloudiest.

Source: NOAA GHCN-Daily station HAMILTON A (27 km away).

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Normals from NOAA GHCN-Daily station HAMILTON A.