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
Sat. 20, Sep.
partly cloudyPartly Cloudy
Temperature Icon21°/11°
Humidity Icon67%
Wind Icon27km/h
Sun. 21, Sep.
moderate rainModerate rain
Temperature Icon25°/11°
Humidity Icon77%
Wind Icon26km/h
Mon. 22, Sep.
heavy rainHeavy rain
Temperature Icon25°/17°
Humidity Icon86%
Wind Icon22km/h
Tue. 23, Sep.
moderate rainModerate rain
Temperature Icon19°/16°
Humidity Icon96%
Wind Icon32km/h
Wed. 24, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/15°
Humidity Icon85%
Wind Icon17km/h
Thu. 25, Sep.
partly cloudyPartly Cloudy
Temperature Icon20°/12°
Humidity Icon80%
Wind Icon21km/h
Fri. 26, Sep.
partly cloudyPartly Cloudy
Temperature Icon21°/13°
Humidity Icon80%
Wind Icon21km/h
Sat. 27, Sep.
partly cloudyPartly Cloudy
Temperature Icon22°/13°
Humidity Icon80%
Wind Icon11km/h
Sun. 28, Sep.
sunnySunny
Temperature Icon19°/9°
Humidity Icon68%
Wind Icon19km/h
Mon. 29, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon24°/9°
Humidity Icon67%
Wind Icon13km/h
Tue. 30, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon21°/15°
Humidity Icon90%
Wind Icon22km/h
Wed. 1, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/6°
Humidity Icon89%
Wind Icon39km/h
Thu. 2, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon8°/4°
Humidity Icon76%
Wind Icon36km/h
Fri. 3, Oct.
sunnySunny
Temperature Icon13°/1°
Humidity Icon64%
Wind Icon19km/h
Sat. 4, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/8°
Humidity Icon81%
Wind Icon19km/h
Sun. 5, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon16°/8°
Humidity Icon79%
Wind Icon18km/h
Mon. 6, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/9°
Humidity Icon82%
Wind Icon19km/h
Tue. 7, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/9°
Humidity Icon80%
Wind Icon25km/h
Wed. 8, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon16°/8°
Humidity Icon78%
Wind Icon22km/h
Thu. 9, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/8°
Humidity Icon79%
Wind Icon20km/h
Fri. 10, Oct.
moderate rain at timesModerate rain at times
Temperature Icon17°/7°
Humidity Icon75%
Wind Icon19km/h
Sat. 11, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon16°/6°
Humidity Icon75%
Wind Icon22km/h
Sun. 12, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon15°/7°
Humidity Icon77%
Wind Icon22km/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

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 21, Sep.

25.1°C

Low will be onFri. 3, Oct.

1.4°C

HumidityHumidity

High will be onTue. 23, Sep.

96%

Low will be onFri. 3, Oct.

64%

Wind SpeedWind Speed

High will be onWed. 1, Oct.

38.5km/h

Low will be onSat. 27, Sep.

11.2km/h

PrecipitationPrecipitation

High will be onMon. 22, Sep.

49.5mm

Low will be onFri. 26, Sep.

0.03mm

Ultraviolet IndexUV

High will be onFri. 26, Sep.

5

Low will be onThu. 2, Oct.

2

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