Mont-Royal, Quebec, Canada Climate Change Severity

57
High
The current climate change severity in Mont-Royal is High, with a 17.9% 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 Oct. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Mont-Royal 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), Mont-Royal temperature has changed by around +5.8%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
4233
-21.4%
cloudyCloudy
7056
-20%
rainyRainy
12387
-29.2%
snowySnowy
1219
58.3%
mistyMisty
020
100%

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

Climate Change Indicators:

Over the past 15 years, Mont-Royal 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 2025, Mont-Royal experienced significant changes:

Temperature change of

+0.5 °C

Variation in annual rainfall

+39.5 %

Change in average humidity

-5.4 %

PM2.5 levels surged by

-29.5 %

Heatwave changed by

+5.06 day(s)

Coldwave changed by

-7.4 day(s)

Wind speeds changed by

-0.2 km/h

These indicators show that Mont-Royal 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 Oct.

Mont-Royal Weather Forecast 30 Days (November - December 2025)
Mont-Royal, Quebec, Canada

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Thu. 20, Nov.
overcastOvercast
Temperature Icon-1°/-5°
Humidity Icon94%
Wind Icon6km/h
Fri. 21, Nov.
freezing fogFreezing fog
Temperature Icon3°/-3°
Humidity Icon98%
Wind Icon10km/h
Sat. 22, Nov.
freezing fogFreezing fog
Temperature Icon3°/-2°
Humidity Icon89%
Wind Icon12km/h
Sun. 23, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon3°/-1°
Humidity Icon81%
Wind Icon13km/h
Mon. 24, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon7°/2°
Humidity Icon84%
Wind Icon22km/h
Tue. 25, Nov.
partly cloudyPartly Cloudy
Temperature Icon5°/0°
Humidity Icon79%
Wind Icon9km/h
Wed. 26, Nov.
patchy rain possiblePatchy rain nearby
Temperature Icon4°/2°
Humidity Icon89%
Wind Icon28km/h
Thu. 27, Nov.
partly cloudyPartly Cloudy
Temperature Icon2°/-1°
Humidity Icon69%
Wind Icon28km/h
Fri. 28, Nov.
cloudyCloudy
Temperature Icon0°/-2°
Humidity Icon61%
Wind Icon11km/h
Sat. 29, Nov.
patchy moderate snowPatchy moderate snow
Temperature Icon0°/-3°
Humidity Icon64%
Wind Icon22km/h
Sun. 30, Nov.
light freezing rainLight freezing rain
Temperature Icon-1°/-6°
Humidity Icon69%
Wind Icon22km/h
Mon. 1, Dec.
sunnySunny
Temperature Icon-7°/-10°
Humidity Icon52%
Wind Icon19km/h
Tue. 2, Dec.
partly cloudyPartly Cloudy
Temperature Icon-5°/-10°
Humidity Icon61%
Wind Icon14km/h
Wed. 3, Dec.
heavy snowHeavy snow
Temperature Icon-1°/-6°
Humidity Icon75%
Wind Icon29km/h
Thu. 4, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon79%
Wind Icon19km/h
Fri. 5, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon2°/-3°
Humidity Icon82%
Wind Icon19km/h
Sat. 6, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-4°
Humidity Icon80%
Wind Icon21km/h
Sun. 7, Dec.
moderate snowModerate snow
Temperature Icon0°/-6°
Humidity Icon78%
Wind Icon17km/h
Mon. 8, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-7°
Humidity Icon79%
Wind Icon17km/h
Tue. 9, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-6°
Humidity Icon84%
Wind Icon21km/h
Wed. 10, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon1°/-5°
Humidity Icon85%
Wind Icon21km/h
Thu. 11, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-5°
Humidity Icon83%
Wind Icon21km/h
Fri. 12, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-6°
Humidity Icon82%
Wind Icon23km/h
Sat. 13, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon0°/-7°
Humidity Icon82%
Wind Icon21km/h
Sun. 14, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-7°
Humidity Icon85%
Wind Icon19km/h
Mon. 15, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-1°/-8°
Humidity Icon84%
Wind Icon22km/h
Tue. 16, Dec.
moderate snowModerate snow
Temperature Icon-3°/-9°
Humidity Icon83%
Wind Icon21km/h
Wed. 17, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-3°/-8°
Humidity Icon87%
Wind Icon18km/h
Thu. 18, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-3°/-9°
Humidity Icon87%
Wind Icon18km/h
Fri. 19, Dec.
moderate or heavy snow showersModerate or heavy snow showers
Temperature Icon-3°/-10°
Humidity Icon86%
Wind Icon17km/h
Sat. 20, Dec.
patchy moderate snowPatchy moderate snow
Temperature Icon-3°/-9°
Humidity Icon85%
Wind Icon16km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onMon. 24, Nov.

6.7°C

Low will be onMon. 1, Dec.

-10.2°C

HumidityHumidity

High will be onFri. 21, Nov.

98%

Low will be onMon. 1, Dec.

52%

Wind SpeedWind Speed

High will be onWed. 3, Dec.

28.8km/h

Low will be onThu. 20, Nov.

5.8km/h

PrecipitationPrecipitation

High will be onThu. 18, Dec.

8.1mm

Low will be onThu. 20, Nov.

0.02mm

Ultraviolet IndexUV

High will be onTue. 25, Nov.

2

Low will be onWed. 26, Nov.

1

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