Kitchener, Ontario, Canada Climate Change Severity

52
High
The current climate change severity in Kitchener is High, with a 5.2% worsening in the climate score compared to last 15 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to Aug. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Kitchener 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), Kitchener temperature has changed by around +1.7%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
3019
-36.6%
cloudyCloudy
5526
-52.7%
rainyRainy
10473
-29.8%
snowySnowy
1016
60%
mistyMisty
011
100%

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

Climate Change Indicators:

Over the past 15 years, Kitchener has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

52/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Kitchener experienced significant changes:

Temperature change of

+0.1 °C

Variation in annual rainfall

+51.9 %

Change in average humidity

-1.2 %

PM2.5 levels surged by

+100 %

Heatwave changed by

+0.9 day(s)

Coldwave changed by

-7.2 day(s)

Wind speeds changed by

+3.2 km/h

These indicators show that Kitchener is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

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

Kitchener Weather Forecast 30 Days (September - October 2025)
Kitchener, Ontario, Canada

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Mon. 29, Sep.
sunnySunny
Temperature Icon28°/8°
Humidity Icon56%
Wind Icon8km/h
Tue. 30, Sep.
sunnySunny
Temperature Icon23°/12°
Humidity Icon64%
Wind Icon20km/h
Wed. 1, Oct.
sunnySunny
Temperature Icon19°/4°
Humidity Icon60%
Wind Icon20km/h
Thu. 2, Oct.
sunnySunny
Temperature Icon18°/6°
Humidity Icon59%
Wind Icon18km/h
Fri. 3, Oct.
sunnySunny
Temperature Icon24°/8°
Humidity Icon61%
Wind Icon10km/h
Sat. 4, Oct.
sunnySunny
Temperature Icon26°/11°
Humidity Icon60%
Wind Icon13km/h
Sun. 5, Oct.
sunnySunny
Temperature Icon27°/13°
Humidity Icon60%
Wind Icon16km/h
Mon. 6, Oct.
sunnySunny
Temperature Icon28°/14°
Humidity Icon59%
Wind Icon19km/h
Tue. 7, Oct.
partly cloudyPartly Cloudy
Temperature Icon27°/15°
Humidity Icon64%
Wind Icon18km/h
Wed. 8, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon26°/13°
Humidity Icon73%
Wind Icon27km/h
Thu. 9, Oct.
partly cloudyPartly Cloudy
Temperature Icon17°/7°
Humidity Icon66%
Wind Icon18km/h
Fri. 10, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon16°/8°
Humidity Icon53%
Wind Icon26km/h
Sat. 11, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/9°
Humidity Icon73%
Wind Icon17km/h
Sun. 12, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon27°/10°
Humidity Icon72%
Wind Icon28km/h
Mon. 13, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/6°
Humidity Icon83%
Wind Icon21km/h
Tue. 14, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/7°
Humidity Icon81%
Wind Icon21km/h
Wed. 15, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/5°
Humidity Icon80%
Wind Icon26km/h
Thu. 16, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/5°
Humidity Icon79%
Wind Icon22km/h
Fri. 17, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon12°/4°
Humidity Icon78%
Wind Icon23km/h
Sat. 18, Oct.
moderate rain at timesModerate rain at times
Temperature Icon12°/4°
Humidity Icon77%
Wind Icon22km/h
Sun. 19, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/4°
Humidity Icon78%
Wind Icon23km/h
Mon. 20, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/6°
Humidity Icon81%
Wind Icon22km/h
Tue. 21, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/6°
Humidity Icon81%
Wind Icon24km/h
Wed. 22, Oct.
moderate rain at timesModerate rain at times
Temperature Icon12°/5°
Humidity Icon77%
Wind Icon23km/h
Thu. 23, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/5°
Humidity Icon81%
Wind Icon23km/h
Fri. 24, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/5°
Humidity Icon79%
Wind Icon23km/h
Sat. 25, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/5°
Humidity Icon80%
Wind Icon22km/h
Sun. 26, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/4°
Humidity Icon83%
Wind Icon23km/h
Mon. 27, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/4°
Humidity Icon82%
Wind Icon22km/h
Tue. 28, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/3°
Humidity Icon82%
Wind Icon22km/h
Wed. 29, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/4°
Humidity Icon82%
Wind Icon24km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 29, Sep.

28.1°C

Low will be onTue. 28, Oct.

3.2°C

HumidityHumidity

High will be onMon. 13, Oct.

83%

Low will be onFri. 10, Oct.

53%

Wind SpeedWind Speed

High will be onSun. 12, Oct.

28.1km/h

Low will be onMon. 29, Sep.

8.3km/h

PrecipitationPrecipitation

High will be onTue. 14, Oct.

5.9mm

Low will be onThu. 9, Oct.

0.02mm

Ultraviolet IndexUV

High will be onMon. 6, Oct.

6

Low will be onWed. 15, Oct.

2

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