Montreal, Quebec, Canada Climate Change Severity

43
High
The current climate change severity in Montreal is High, with a 13.02% improvement in the climate score compared to last 16 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to May (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Montreal Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), Montreal temperature has changed by around +1.7%, 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
1327
107.6%
cloudyCloudy
3320
-39.3%
rainyRainy
5340
-24.5%
snowySnowy
1317
30.7%
mistyMisty
05
100%

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

Climate Change Indicators:

Over the past 16 years, Montreal has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (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

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Montreal experienced significant changes:

Temperature change of

+0 °C

Variation in annual rainfall

+91.24 %

Change in average humidity

-4.17 %

PM2.5 levels surged by

-21.68 %

Heatwave changed by

-2 Days

Coldwave changed by

-6 Days

Wind speeds changed by

+0.72 km/h

These indicators show improvement in key parametes of climate, but Montreal 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 May

Montreal Weather Forecast 30 Days (June - July 2026)
Montreal, Quebec, Canada

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 3, Jun.
sunnySunny
Temperature Icon29°/12°
Humidity Icon48%
Wind Icon16.6km/h
Thu. 4, Jun.
sunnySunny
Temperature Icon25°/14°
Humidity Icon64%
Wind Icon21.6km/h
Fri. 5, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/15°
Humidity Icon69%
Wind Icon19.4km/h
Sat. 6, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon23°/15°
Humidity Icon85%
Wind Icon21.6km/h
Sun. 7, Jun.
patchy rain possiblePatchy rain nearby
Temperature Icon22°/11°
Humidity Icon66%
Wind Icon23km/h
Mon. 8, Jun.
sunnySunny
Temperature Icon26°/13°
Humidity Icon58%
Wind Icon8.6km/h
Tue. 9, Jun.
sunnySunny
Temperature Icon28°/16°
Humidity Icon53%
Wind Icon6.1km/h
Wed. 10, Jun.
sunnySunny
Temperature Icon28°/17°
Humidity Icon62%
Wind Icon11.2km/h
Thu. 11, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/13°
Humidity Icon77%
Wind Icon19.8km/h
Fri. 12, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/14°
Humidity Icon78%
Wind Icon19.4km/h
Sat. 13, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon22°/13°
Humidity Icon77%
Wind Icon16.6km/h
Sun. 14, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon21°/12°
Humidity Icon74%
Wind Icon16.2km/h
Mon. 15, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/12°
Humidity Icon73%
Wind Icon14.4km/h
Tue. 16, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/13°
Humidity Icon74%
Wind Icon14.8km/h
Wed. 17, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/14°
Humidity Icon75%
Wind Icon16.6km/h
Thu. 18, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/15°
Humidity Icon76%
Wind Icon17.6km/h
Fri. 19, Jun.
moderate rain at timesModerate rain at times
Temperature Icon25°/15°
Humidity Icon74%
Wind Icon16.9km/h
Sat. 20, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/15°
Humidity Icon74%
Wind Icon16.6km/h
Sun. 21, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/15°
Humidity Icon74%
Wind Icon16.6km/h
Mon. 22, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/16°
Humidity Icon74%
Wind Icon15.8km/h
Tue. 23, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/16°
Humidity Icon78%
Wind Icon17.6km/h
Wed. 24, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/16°
Humidity Icon79%
Wind Icon18.7km/h
Thu. 25, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/16°
Humidity Icon75%
Wind Icon16.2km/h
Fri. 26, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/16°
Humidity Icon76%
Wind Icon15.5km/h
Sat. 27, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/16°
Humidity Icon79%
Wind Icon17.3km/h
Sun. 28, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon24°/16°
Humidity Icon83%
Wind Icon16.9km/h
Mon. 29, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon23°/16°
Humidity Icon83%
Wind Icon15.5km/h
Tue. 30, Jun.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon25°/16°
Humidity Icon82%
Wind Icon17.3km/h
Wed. 1, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/17°
Humidity Icon79%
Wind Icon16.6km/h
Thu. 2, Jul.
heavy rain at timesHeavy rain at times
Temperature Icon25°/17°
Humidity Icon78%
Wind Icon18.7km/h
Fri. 3, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/16°
Humidity Icon76%
Wind Icon16.9km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onWed. 3, Jun.

29°C

Low will be onSun. 7, Jun.

11°C

HumidityHumidity

High will be onSat. 6, Jun.

85%

Low will be onWed. 3, Jun.

48%

Wind SpeedWind Speed

High will be onSun. 7, Jun.

23km/h

Low will be onTue. 9, Jun.

6.1km/h

PrecipitationPrecipitation

High will be onSun. 28, Jun.

10.5mm

Low will be onSun. 7, Jun.

0.2mm

Ultraviolet IndexUV

High will be onFri. 5, Jun.

8.2

Low will be onSun. 7, Jun.

0.1

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