Laval, Quebec, Canada Climate Change Severity

48
High
The current climate change severity in Laval is High, with a 2.9% 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 Aug. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


Laval Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), Laval temperature has changed by around +6.05%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
3295
196.8%

cloudyCloudy
5625
-55.3%

rainyRainy
9657
-40.6%

snowySnowy
1319
46.1%

mistyMisty
17
600%

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

Climate Change Indicators:

Over the past 16 years, Laval has experienced measurable shifts in key climate parameters, contributing to the current severity score of 48 (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

48/100


High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Laval experienced significant changes:

Temperature change of

+0.46 °C


Variation in annual rainfall

+98.77 %


Change in average humidity

-4.77 %


PM2.5 levels surged by

-27 %


Heatwave changed by

-3 Days


Coldwave changed by

-6 Days


Wind speeds changed by

+1.33 km/h


These indicators show improvement in key parametes of climate, but Laval 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 Aug.

Laval Weather Forecast 30 Days (September - October 2026)
Laval, Quebec, Canada


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Fri. 25, Sep.
sunnySunny

Temperature Icon23°/11°

Humidity Icon57%

Wind Icon13km/h
Sat. 26, Sep.
overcastOvercast

Temperature Icon22°/13°

Humidity Icon53%

Wind Icon21.2km/h
Sun. 27, Sep.
overcastOvercast

Temperature Icon18°/14°

Humidity Icon58%

Wind Icon23.4km/h
Mon. 28, Sep.
overcastOvercast

Temperature Icon15°/13°

Humidity Icon77%

Wind Icon22km/h
Tue. 29, Sep.
patchy rain possiblePatchy rain nearby

Temperature Icon18°/12°

Humidity Icon81%

Wind Icon13.3km/h
Wed. 30, Sep.
overcastOvercast

Temperature Icon20°/13°

Humidity Icon80%

Wind Icon8.6km/h
Thu. 1, Oct.
light rain showerRain Shower

Temperature Icon18°/16°

Humidity Icon94%

Wind Icon9.4km/h
Fri. 2, Oct.
light rain showerRain Shower

Temperature Icon21°/16°

Humidity Icon91%

Wind Icon11.9km/h
Sat. 3, Oct.
moderate rain at timesRain

Temperature Icon17°/8°

Humidity Icon75%

Wind Icon15.6km/h
Sun. 4, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon18°/9°

Humidity Icon77%

Wind Icon14.9km/h
Mon. 5, Oct.
patchy rain possibleRain Possible

Temperature Icon18°/9°

Humidity Icon73%

Wind Icon15.1km/h
Tue. 6, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon17°/9°

Humidity Icon73%

Wind Icon17.1km/h
Wed. 7, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon17°/9°

Humidity Icon81%

Wind Icon20km/h
Thu. 8, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/7°

Humidity Icon74%

Wind Icon20.3km/h
Fri. 9, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon14°/7°

Humidity Icon77%

Wind Icon18.3km/h
Sat. 10, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/7°

Humidity Icon75%

Wind Icon18.3km/h
Sun. 11, Oct.
heavy rain at timesHeavy Rain

Temperature Icon14°/7°

Humidity Icon72%

Wind Icon17.5km/h
Mon. 12, Oct.
moderate rain at timesRain

Temperature Icon15°/7°

Humidity Icon73%

Wind Icon17.1km/h
Tue. 13, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon14°/7°

Humidity Icon78%

Wind Icon17.3km/h
Wed. 14, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/8°

Humidity Icon78%

Wind Icon16.6km/h
Thu. 15, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon15°/7°

Humidity Icon78%

Wind Icon21.5km/h
Fri. 16, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/7°

Humidity Icon75%

Wind Icon22.9km/h
Sat. 17, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon12°/5°

Humidity Icon75%

Wind Icon18.8km/h
Sun. 18, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/5°

Humidity Icon72%

Wind Icon18.5km/h
Mon. 19, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/5°

Humidity Icon75%

Wind Icon20.9km/h
Tue. 20, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/6°

Humidity Icon81%

Wind Icon21.6km/h
Wed. 21, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon13°/6°

Humidity Icon80%

Wind Icon20.5km/h
Thu. 22, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon12°/6°

Humidity Icon78%

Wind Icon21.1km/h
Fri. 23, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon12°/5°

Humidity Icon75%

Wind Icon19km/h
Sat. 24, Oct.
moderate or heavy rain showerRain Showers

Temperature Icon12°/4°

Humidity Icon77%

Wind Icon19.2km/h
Sun. 25, Oct.
heavy rain at timesHeavy Rain

Temperature Icon11°/4°

Humidity Icon77%

Wind Icon18.3km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 25, Sep.

23°C


Low will be onSat. 24, Oct.

4°C

HumidityHumidity

High will be onThu. 1, Oct.

94%


Low will be onSat. 26, Sep.

53%

Wind SpeedWind Speed

High will be onSun. 27, Sep.

23.4km/h


Low will be onWed. 30, Sep.

8.6km/h

PrecipitationPrecipitation

High will be onWed. 7, Oct.

12.4mm


Low will be onWed. 30, Sep.

0.01mm

Ultraviolet IndexUV

High will be onWed. 30, Sep.

5


Low will be onMon. 28, Sep.

1.2