Guelph, Ontario, Canada Climate Change Severity

57
High
The current climate change severity in Guelph is High, with a 13.2% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.
Data: Jan. to May (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Guelph Weather Condition Changes (Historic Vs 2026)

0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Guelph temperature has changed by around -17.8%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to May (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
1229
141.6%

cloudyCloudy
3416
-52.9%

rainyRainy
5836
-37.9%

snowySnowy
1117
54.5%

mistyMisty
05
100%

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

Climate Change Indicators:

Over the past 16 years, Guelph has experienced measurable shifts in key climate parameters, contributing to the current severity score of 57 (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

57/100


High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Guelph experienced significant changes:

Temperature change of

-0.25 °C


Variation in annual rainfall

+73.68 %


Change in average humidity

-1.79 %


PM2.5 levels surged by

+55.01 %


Heatwave changed by

0 Day


Coldwave changed by

-6 Days


Wind speeds changed by

+2.69 km/h


These indicators show that Guelph 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 May

Guelph Weather Forecast 30 Days (June - July 2026)
Guelph, Ontario, Canada


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Thu. 4, Jun.
sunnySunny

Temperature Icon31°/9°

Humidity Icon42%

Wind Icon17.6km/h
Fri. 5, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon26°/14°

Humidity Icon71%

Wind Icon25.6km/h
Sat. 6, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon22°/17°

Humidity Icon93%

Wind Icon22.7km/h
Sun. 7, Jun.
patchy rain possiblePatchy rain nearby

Temperature Icon23°/13°

Humidity Icon83%

Wind Icon13.3km/h
Mon. 8, Jun.
sunnySunny

Temperature Icon20°/12°

Humidity Icon74%

Wind Icon30.6km/h
Tue. 9, Jun.
sunnySunny

Temperature Icon24°/12°

Humidity Icon73%

Wind Icon19.1km/h
Wed. 10, Jun.
sunnySunny

Temperature Icon26°/13°

Humidity Icon71%

Wind Icon12.6km/h
Thu. 11, Jun.
partly cloudyPartly Cloudy

Temperature Icon27°/15°

Humidity Icon62%

Wind Icon8.6km/h
Fri. 12, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon21°/12°

Humidity Icon81%

Wind Icon18.4km/h
Sat. 13, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon20°/11°

Humidity Icon81%

Wind Icon19.1km/h
Sun. 14, Jun.
heavy rain at timesHeavy rain at times

Temperature Icon20°/11°

Humidity Icon77%

Wind Icon17.6km/h
Mon. 15, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon22°/11°

Humidity Icon77%

Wind Icon15.1km/h
Tue. 16, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon23°/13°

Humidity Icon77%

Wind Icon17.6km/h
Wed. 17, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/13°

Humidity Icon78%

Wind Icon18km/h
Thu. 18, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/14°

Humidity Icon80%

Wind Icon17.6km/h
Fri. 19, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/14°

Humidity Icon77%

Wind Icon16.9km/h
Sat. 20, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/14°

Humidity Icon77%

Wind Icon16.6km/h
Sun. 21, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon25°/14°

Humidity Icon78%

Wind Icon19.1km/h
Mon. 22, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/15°

Humidity Icon79%

Wind Icon19.1km/h
Tue. 23, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/15°

Humidity Icon82%

Wind Icon18.7km/h
Wed. 24, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/15°

Humidity Icon81%

Wind Icon18.7km/h
Thu. 25, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/15°

Humidity Icon80%

Wind Icon17.6km/h
Fri. 26, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/15°

Humidity Icon80%

Wind Icon19.1km/h
Sat. 27, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon23°/14°

Humidity Icon84%

Wind Icon19.8km/h
Sun. 28, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/14°

Humidity Icon83%

Wind Icon19.4km/h
Mon. 29, Jun.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/14°

Humidity Icon81%

Wind Icon17.3km/h
Tue. 30, Jun.
heavy rain at timesHeavy rain at times

Temperature Icon25°/14°

Humidity Icon80%

Wind Icon19.1km/h
Wed. 1, Jul.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/15°

Humidity Icon80%

Wind Icon18km/h
Thu. 2, Jul.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon24°/14°

Humidity Icon79%

Wind Icon16.9km/h
Fri. 3, Jul.
moderate or heavy rain showerModerate or heavy rain shower

Temperature Icon25°/14°

Humidity Icon76%

Wind Icon15.8km/h
Sat. 4, Jul.
moderate rain at timesModerate rain at times

Temperature Icon26°/15°

Humidity Icon73%

Wind Icon14.4km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onThu. 4, Jun.

31°C


Low will be onThu. 4, Jun.

9°C

HumidityHumidity

High will be onSat. 6, Jun.

93%


Low will be onThu. 4, Jun.

42%

Wind SpeedWind Speed

High will be onMon. 8, Jun.

30.6km/h


Low will be onThu. 11, Jun.

8.6km/h

PrecipitationPrecipitation

High will be onSat. 20, Jun.

7.9mm


Low will be onSun. 7, Jun.

0.1mm

Ultraviolet IndexUV

High will be onThu. 4, Jun.

8.6


Low will be onSun. 7, Jun.

0.7