Brantford, Ontario, Canada Climate Change Severity

48
High
The current climate change severity in Brantford is High, with a 1.09% improvement in the climate score compared to last 15 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Brantford Weather Condition Changes (Historic Vs 2025)

2025
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2025

Over the past 15 year(s), Brantford temperature has changed by around -1.02%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Oct. (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
4224
-42.8%
cloudyCloudy
7645
-40.7%
rainyRainy
12885
-33.5%
snowySnowy
910
11.1%
mistyMisty
021
100%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 15 years, Brantford has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (within the High severity category). While the score remains High, certain factors have improved over time. Here’s a breakdown of the specific changes observed:

Severity Score

48/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Brantford experienced significant changes:

Temperature change of

-0.1 °C

Variation in annual rainfall

+50.5 %

Change in average humidity

+0.1 %

PM2.5 levels surged by

-10.06 %

Heatwave changed by

-4.2 day(s)

Coldwave changed by

-5.6 day(s)

Wind speeds changed by

+2.4 km/h

These indicators show improvement in key parametes of climate, but Brantford remains in the High severity category. Continuous focus on climate resilience is necessary to avoid further worsening and ensure sustainability.

Check how we calculate Climate Change Severity
Based on data from Jan. to Oct.

Brantford Weather Forecast 30 Days (November - December 2025)
Brantford, Ontario, Canada

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Wed. 26, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon10°/1°
Humidity Icon87%
Wind Icon43km/h
Thu. 27, Nov.
overcastOvercast
Temperature Icon2°/0°
Humidity Icon84%
Wind Icon44km/h
Fri. 28, Nov.
light freezing rainLight freezing rain
Temperature Icon1°/-3°
Humidity Icon83%
Wind Icon34km/h
Sat. 29, Nov.
light freezing rainLight freezing rain
Temperature Icon-1°/-6°
Humidity Icon88%
Wind Icon18km/h
Sun. 30, Nov.
blizzardBlizzard
Temperature Icon3°/-1°
Humidity Icon93%
Wind Icon35km/h
Mon. 1, Dec.
partly cloudyPartly Cloudy
Temperature Icon-2°/-6°
Humidity Icon85%
Wind Icon23km/h
Tue. 2, Dec.
partly cloudyPartly Cloudy
Temperature Icon-5°/-9°
Humidity Icon79%
Wind Icon27km/h
Wed. 3, Dec.
sunnySunny
Temperature Icon-7°/-11°
Humidity Icon78%
Wind Icon28km/h
Thu. 4, Dec.
partly cloudyPartly Cloudy
Temperature Icon-4°/-9°
Humidity Icon86%
Wind Icon20km/h
Fri. 5, Dec.
heavy snowHeavy snow
Temperature Icon1°/-4°
Humidity Icon91%
Wind Icon28km/h
Sat. 6, Dec.
light freezing rainLight freezing rain
Temperature Icon1°/-3°
Humidity Icon93%
Wind Icon26km/h
Sun. 7, Dec.
moderate snowModerate snow
Temperature Icon-7°/-11°
Humidity Icon86%
Wind Icon29km/h
Mon. 8, Dec.
partly cloudyPartly Cloudy
Temperature Icon-6°/-12°
Humidity Icon84%
Wind Icon15km/h
Tue. 9, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-2°
Humidity Icon85%
Wind Icon23km/h
Wed. 10, Dec.
moderate snowModerate snow
Temperature Icon3°/-3°
Humidity Icon83%
Wind Icon25km/h
Thu. 11, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon81%
Wind Icon26km/h
Fri. 12, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-4°
Humidity Icon78%
Wind Icon26km/h
Sat. 13, Dec.
patchy moderate snowPatchy moderate snow
Temperature Icon2°/-3°
Humidity Icon80%
Wind Icon22km/h
Sun. 14, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon85%
Wind Icon23km/h
Mon. 15, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-4°
Humidity Icon83%
Wind Icon26km/h
Tue. 16, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon86%
Wind Icon23km/h
Wed. 17, Dec.
moderate snowModerate snow
Temperature Icon2°/-3°
Humidity Icon83%
Wind Icon22km/h
Thu. 18, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-5°
Humidity Icon85%
Wind Icon23km/h
Fri. 19, Dec.
light freezing rainLight freezing rain
Temperature Icon0°/-5°
Humidity Icon81%
Wind Icon21km/h
Sat. 20, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-4°
Humidity Icon84%
Wind Icon19km/h
Sun. 21, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon86%
Wind Icon21km/h
Mon. 22, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon83%
Wind Icon22km/h
Tue. 23, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon3°/-3°
Humidity Icon85%
Wind Icon24km/h
Wed. 24, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon87%
Wind Icon24km/h
Thu. 25, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-3°
Humidity Icon87%
Wind Icon22km/h
Fri. 26, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-4°
Humidity Icon88%
Wind Icon23km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 26, Nov.

10.4°C

Low will be onMon. 8, Dec.

-11.6°C

HumidityHumidity

High will be onSun. 30, Nov.

93%

Low will be onWed. 3, Dec.

78%

Wind SpeedWind Speed

High will be onThu. 27, Nov.

43.6km/h

Low will be onMon. 8, Dec.

15.1km/h

PrecipitationPrecipitation

High will be onTue. 9, Dec.

5.9mm

Low will be onTue. 2, Dec.

0.01mm

Ultraviolet IndexUV

High will be onMon. 1, Dec.

2

Low will be onSun. 30, Nov.

1

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