Ottawa, Ontario, Canada Climate Change Severity

52
High
The current climate change severity in Ottawa is High, with a 7.07% 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

Ottawa 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), Ottawa temperature has changed by around +13.6%, 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
1848
166.6%
cloudyCloudy
4117
-58.5%
rainyRainy
6748
-28.3%
snowySnowy
1321
61.5%
mistyMisty
09
100%

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

Climate Change Indicators:

Over the past 16 years, Ottawa 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, Ottawa experienced significant changes:

Temperature change of

+0.41 °C

Variation in annual rainfall

+83.48 %

Change in average humidity

-8.65 %

PM2.5 levels surged by

-25.36 %

Heatwave changed by

-4 Days

Coldwave changed by

-6 Days

Wind speeds changed by

+1.11 km/h

These indicators show that Ottawa 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.

Ottawa Weather Forecast 30 Days (July - August 2026)
Ottawa, Ontario, Canada

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Fri. 31, Jul.
sunnySunny
Temperature Icon30°/15°
Humidity Icon72%
Wind Icon8.6km/h
Sat. 1, Aug.
partly cloudyPartly Cloudy
Temperature Icon27°/17°
Humidity Icon74%
Wind Icon9km/h
Sun. 2, Aug.
fogFog
Temperature Icon20°/18°
Humidity Icon98%
Wind Icon11.9km/h
Mon. 3, Aug.
light rain showerRain Shower
Temperature Icon20°/16°
Humidity Icon97%
Wind Icon13km/h
Tue. 4, Aug.
sunnySunny
Temperature Icon26°/14°
Humidity Icon80%
Wind Icon8.6km/h
Wed. 5, Aug.
sunnySunny
Temperature Icon27°/16°
Humidity Icon79%
Wind Icon6.1km/h
Thu. 6, Aug.
sunnySunny
Temperature Icon28°/16°
Humidity Icon78%
Wind Icon9.7km/h
Fri. 7, Aug.
sunnySunny
Temperature Icon28°/17°
Humidity Icon82%
Wind Icon15.1km/h
Sat. 8, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/15°
Humidity Icon80%
Wind Icon13.5km/h
Sun. 9, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/16°
Humidity Icon79%
Wind Icon14.2km/h
Mon. 10, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/16°
Humidity Icon79%
Wind Icon14km/h
Tue. 11, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/16°
Humidity Icon80%
Wind Icon15.1km/h
Wed. 12, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/16°
Humidity Icon80%
Wind Icon15.6km/h
Thu. 13, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/16°
Humidity Icon78%
Wind Icon12.1km/h
Fri. 14, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/16°
Humidity Icon76%
Wind Icon13.5km/h
Sat. 15, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/15°
Humidity Icon77%
Wind Icon11.7km/h
Sun. 16, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon26°/16°
Humidity Icon75%
Wind Icon13.2km/h
Mon. 17, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/16°
Humidity Icon81%
Wind Icon15.5km/h
Tue. 18, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/16°
Humidity Icon81%
Wind Icon14.1km/h
Wed. 19, Aug.
heavy rain at timesHeavy Rain
Temperature Icon25°/15°
Humidity Icon78%
Wind Icon14.3km/h
Thu. 20, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/15°
Humidity Icon77%
Wind Icon14.6km/h
Fri. 21, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon24°/16°
Humidity Icon82%
Wind Icon15.9km/h
Sat. 22, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon23°/15°
Humidity Icon81%
Wind Icon14.4km/h
Sun. 23, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon24°/15°
Humidity Icon78%
Wind Icon14.7km/h
Mon. 24, Aug.
moderate rain at timesRain
Temperature Icon26°/15°
Humidity Icon76%
Wind Icon14.6km/h
Tue. 25, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon25°/15°
Humidity Icon77%
Wind Icon13.9km/h
Wed. 26, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon24°/15°
Humidity Icon78%
Wind Icon16km/h
Thu. 27, Aug.
heavy rain at timesHeavy Rain
Temperature Icon23°/14°
Humidity Icon75%
Wind Icon12.8km/h
Fri. 28, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon23°/14°
Humidity Icon78%
Wind Icon15.7km/h
Sat. 29, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon23°/14°
Humidity Icon81%
Wind Icon15.9km/h
Sun. 30, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon24°/14°
Humidity Icon79%
Wind Icon17.8km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 31, Jul.

30°C

Low will be onTue. 4, Aug.

14°C

HumidityHumidity

High will be onSun. 2, Aug.

98%

Low will be onFri. 31, Jul.

72%

Wind SpeedWind Speed

High will be onSun. 30, Aug.

17.8km/h

Low will be onWed. 5, Aug.

6.1km/h

PrecipitationPrecipitation

High will be onSun. 2, Aug.

21.8mm

Low will be onThu. 6, Aug.

0.01mm

Ultraviolet IndexUV

High will be onFri. 31, Jul.

7.6

Low will be onSun. 2, Aug.

1.2

Our Blogs

See all blogs
World Top 10 Hottest Cities Are All in India Again - May 2026

World Top 10 Hottest Cities Are All in India Again - May 2026

Gyane Haobijam4 Jun 2026
Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

Delhi Air Quality 2026 vs 6-Year Historical PM2.5 Data

Gyane Haobijam2 Jun 2026
What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

What 17 Years of Delhi Temperature Data Reveal About May's Heatwave Escalation

AQI Team27 May 2026
World Top Hottest Cities Belong to India - April 2026

World Top Hottest Cities Belong to India - April 2026

AQI Team28 Apr 2026
Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Construction Air Pollution: The Invisible Hazard Reshaping India's Urban Air

Gyane Haobijam27 Mar 2026
Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Kitchen Air Pollution: How Cooking Can Spike Your Indoor AQI

Gyane Haobijam17 Mar 2026
Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Mumbai Air Quality Comparison of 2025 Vs 2026 (Jan-Feb)

Gyane Haobijam14 Feb 2026
Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Why AQI Standards Vary Across the World - And Why Air Quality Index Matters More Than Ever

Navya12 Feb 2026
Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Gyane Haobijam2 Feb 2026
Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

Winter vs Summer Air: Why Air Pollution Behaves So Differently Across Seasons

Gyane Haobijam1 Feb 2026