Peterborough, Ontario, Canada Climate Change Severity

52
High
The current climate change severity in Peterborough is High, with a 6.1% 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 Sep. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Peterborough 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), Peterborough temperature has changed by around -2.4%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
4227
-35.7%
cloudyCloudy
6639
-40.9%
rainyRainy
11178
-29.7%
snowySnowy
1116
45.4%
mistyMisty
011
100%

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

Climate Change Indicators:

Over the past 15 years, Peterborough 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, Peterborough experienced significant changes:

Temperature change of

-0.2 °C

Variation in annual rainfall

+51.7 %

Change in average humidity

-2.5 %

PM2.5 levels surged by

-14.3 %

Heatwave changed by

-3.4 day(s)

Coldwave changed by

-8.9 day(s)

Wind speeds changed by

+2.8 km/h

These indicators show that Peterborough 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 Sep.

Peterborough Weather Forecast 30 Days (October - November 2025)
Peterborough, Ontario, Canada

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Wed. 15, Oct.
sunnySunny
Temperature Icon15°/6°
Humidity Icon53%
Wind Icon18km/h
Thu. 16, Oct.
sunnySunny
Temperature Icon16°/1°
Humidity Icon59%
Wind Icon18km/h
Fri. 17, Oct.
partly cloudyPartly Cloudy
Temperature Icon14°/2°
Humidity Icon64%
Wind Icon10km/h
Sat. 18, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/8°
Humidity Icon69%
Wind Icon21km/h
Sun. 19, Oct.
moderate rainModerate rain
Temperature Icon16°/10°
Humidity Icon82%
Wind Icon30km/h
Mon. 20, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon13°/8°
Humidity Icon82%
Wind Icon28km/h
Tue. 21, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon13°/5°
Humidity Icon75%
Wind Icon19km/h
Wed. 22, Oct.
partly cloudyPartly Cloudy
Temperature Icon13°/4°
Humidity Icon78%
Wind Icon21km/h
Thu. 23, Oct.
moderate rainModerate rain
Temperature Icon9°/6°
Humidity Icon93%
Wind Icon19km/h
Fri. 24, Oct.
partly cloudyPartly Cloudy
Temperature Icon14°/6°
Humidity Icon82%
Wind Icon17km/h
Sat. 25, Oct.
sunnySunny
Temperature Icon15°/5°
Humidity Icon75%
Wind Icon26km/h
Sun. 26, Oct.
sunnySunny
Temperature Icon14°/3°
Humidity Icon66%
Wind Icon16km/h
Mon. 27, Oct.
sunnySunny
Temperature Icon17°/6°
Humidity Icon75%
Wind Icon17km/h
Tue. 28, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon11°/9°
Humidity Icon91%
Wind Icon10km/h
Wed. 29, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/3°
Humidity Icon80%
Wind Icon22km/h
Thu. 30, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/4°
Humidity Icon80%
Wind Icon21km/h
Fri. 31, Oct.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon10°/4°
Humidity Icon82%
Wind Icon21km/h
Sat. 1, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/3°
Humidity Icon80%
Wind Icon23km/h
Sun. 2, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/2°
Humidity Icon79%
Wind Icon18km/h
Mon. 3, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon9°/2°
Humidity Icon76%
Wind Icon21km/h
Tue. 4, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon9°/2°
Humidity Icon77%
Wind Icon19km/h
Wed. 5, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/4°
Humidity Icon82%
Wind Icon21km/h
Thu. 6, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon11°/4°
Humidity Icon77%
Wind Icon23km/h
Fri. 7, Nov.
moderate rain at timesModerate rain at times
Temperature Icon10°/2°
Humidity Icon75%
Wind Icon19km/h
Sat. 8, Nov.
moderate rain at timesModerate rain at times
Temperature Icon9°/2°
Humidity Icon74%
Wind Icon18km/h
Sun. 9, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon9°/2°
Humidity Icon78%
Wind Icon20km/h
Mon. 10, Nov.
moderate rain at timesModerate rain at times
Temperature Icon8°/2°
Humidity Icon78%
Wind Icon24km/h
Wed. 12, Nov.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon7°/0°
Humidity Icon74%
Wind Icon21km/h
Thu. 13, Nov.
moderate rain at timesModerate rain at times
Temperature Icon6°/-1°
Humidity Icon74%
Wind Icon21km/h
Fri. 14, Nov.
heavy rain at timesHeavy rain at times
Temperature Icon5°/0°
Humidity Icon78%
Wind Icon20km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 27, Oct.

17.4°C

Low will be onThu. 13, Nov.

-1.1°C

HumidityHumidity

High will be onThu. 23, Oct.

93%

Low will be onWed. 15, Oct.

53%

Wind SpeedWind Speed

High will be onSun. 19, Oct.

30.2km/h

Low will be onFri. 17, Oct.

9.7km/h

PrecipitationPrecipitation

High will be onFri. 31, Oct.

7mm

Low will be onWed. 22, Oct.

0.08mm

Ultraviolet IndexUV

High will be onMon. 27, Oct.

4

Low will be onSat. 8, Nov.

1

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