Longueuil, Quebec, Canada Climate Change Severity

52
High
The current climate change severity in Longueuil is High, with a 3.2% 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 Jun. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Longueuil 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), Longueuil temperature has changed by around +16.3%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
1839
116.6%
cloudyCloudy
4022
-45%
rainyRainy
6857
-16.1%
snowySnowy
1315
15.3%
mistyMisty
05
100%

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

Climate Change Indicators:

Over the past 16 years, Longueuil 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 2026, Longueuil experienced significant changes:

Temperature change of

+0.56 °C

Variation in annual rainfall

+66 %

Change in average humidity

-6.09 %

PM2.5 levels surged by

-36.41 %

Heatwave changed by

-4 Days

Coldwave changed by

-6 Days

Wind speeds changed by

+0.72 km/h

These indicators show that Longueuil 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 Jun.

Longueuil Weather Forecast 30 Days (July - August 2026)
Longueuil, Quebec, Canada

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Wed. 22, Jul.
overcastOvercast
Temperature Icon22°/14°
Humidity Icon77%
Wind Icon28.4km/h
Thu. 23, Jul.
sunnySunny
Temperature Icon24°/11°
Humidity Icon66%
Wind Icon21.2km/h
Fri. 24, Jul.
sunnySunny
Temperature Icon26°/15°
Humidity Icon63%
Wind Icon16.6km/h
Sat. 25, Jul.
sunnySunny
Temperature Icon28°/16°
Humidity Icon65%
Wind Icon9.7km/h
Sun. 26, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon26°/17°
Humidity Icon72%
Wind Icon11.9km/h
Mon. 27, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/18°
Humidity Icon82%
Wind Icon15.5km/h
Tue. 28, Jul.
light rain showerRain Shower
Temperature Icon24°/17°
Humidity Icon87%
Wind Icon9km/h
Wed. 29, Jul.
sunnySunny
Temperature Icon24°/16°
Humidity Icon73%
Wind Icon17.6km/h
Thu. 30, Jul.
moderate or heavy rain showerRain Showers
Temperature Icon26°/17°
Humidity Icon71%
Wind Icon15.5km/h
Fri. 31, Jul.
moderate or heavy rain showerRain Showers
Temperature Icon25°/17°
Humidity Icon72%
Wind Icon14.4km/h
Sat. 1, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/17°
Humidity Icon73%
Wind Icon13.9km/h
Sun. 2, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/17°
Humidity Icon75%
Wind Icon15.1km/h
Mon. 3, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/18°
Humidity Icon75%
Wind Icon16.5km/h
Tue. 4, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon27°/18°
Humidity Icon75%
Wind Icon16.4km/h
Wed. 5, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/17°
Humidity Icon75%
Wind Icon16.5km/h
Thu. 6, Aug.
moderate rain at timesRain
Temperature Icon25°/16°
Humidity Icon73%
Wind Icon16.3km/h
Fri. 7, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/16°
Humidity Icon74%
Wind Icon13.7km/h
Sat. 8, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/16°
Humidity Icon75%
Wind Icon14km/h
Sun. 9, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/17°
Humidity Icon77%
Wind Icon16.3km/h
Mon. 10, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/18°
Humidity Icon77%
Wind Icon15km/h
Tue. 11, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/18°
Humidity Icon76%
Wind Icon15.7km/h
Wed. 12, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/17°
Humidity Icon76%
Wind Icon16.4km/h
Thu. 13, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/17°
Humidity Icon77%
Wind Icon15.1km/h
Fri. 14, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/17°
Humidity Icon75%
Wind Icon15.2km/h
Sat. 15, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/16°
Humidity Icon74%
Wind Icon12.3km/h
Sun. 16, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/17°
Humidity Icon74%
Wind Icon13.4km/h
Mon. 17, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/16°
Humidity Icon77%
Wind Icon16.9km/h
Tue. 18, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/17°
Humidity Icon78%
Wind Icon15.2km/h
Wed. 19, Aug.
heavy rain at timesHeavy Rain
Temperature Icon25°/16°
Humidity Icon76%
Wind Icon15.4km/h
Thu. 20, Aug.
moderate rain at timesRain
Temperature Icon26°/16°
Humidity Icon73%
Wind Icon15.4km/h
Fri. 21, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon24°/17°
Humidity Icon79%
Wind Icon16.3km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 25, Jul.

28°C

Low will be onThu. 23, Jul.

11°C

HumidityHumidity

High will be onTue. 28, Jul.

87%

Low will be onFri. 24, Jul.

63%

Wind SpeedWind Speed

High will be onWed. 22, Jul.

28.4km/h

Low will be onTue. 28, Jul.

9km/h

PrecipitationPrecipitation

High will be onSun. 9, Aug.

10.05mm

Low will be onWed. 29, Jul.

0.4mm

Ultraviolet IndexUV

High will be onSat. 25, Jul.

7

Low will be onThu. 30, Jul.

5

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