Calgary, Alberta, Canada Climate Change Severity

67
Very High
The current climate change severity in Calgary is Very High, with a 30.7% 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


Calgary Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), Calgary temperature has changed by around +116.5%, 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
2359
156.5%

cloudyCloudy
4930
-38.7%

rainyRainy
6837
-45.5%

snowySnowy
76
-14.2%

mistyMisty
04
100%

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

Climate Change Indicators:

Over the past 16 years, Calgary has experienced measurable shifts in key climate parameters, contributing to the current severity score of 67 (within the Very High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

67/100


Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Calgary experienced significant changes:

Temperature change of

+1.88 °C


Variation in annual rainfall

+13.6 %


Change in average humidity

-12.39 %


PM2.5 levels surged by

-33.92 %


Heatwave changed by

+4 Days


Coldwave changed by

-10 Days


Wind speeds changed by

+3.08 km/h


These indicators show a dramatic increase in volatility and worsening conditions. Calgary's Very High severity status requires urgent and immediate adaptation and mitigation strategies, particularly focused on managing extreme weather events, improving air quality, and ensuring water resources are adequate for the population.

Check how we calculate Climate Change Severity
Based on data from Jan. to Jun.

Calgary Weather Forecast 30 Days (July - August 2026)
Calgary, Alberta, Canada


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sun. 19, Jul.
sunnySunny

Temperature Icon25°/13°

Humidity Icon47%

Wind Icon22km/h
Mon. 20, Jul.
sunnySunny

Temperature Icon20°/11°

Humidity Icon74%

Wind Icon24.1km/h
Tue. 21, Jul.
sunnySunny

Temperature Icon26°/11°

Humidity Icon70%

Wind Icon16.2km/h
Wed. 22, Jul.
sunnySunny

Temperature Icon29°/13°

Humidity Icon69%

Wind Icon14km/h
Thu. 23, Jul.
sunnySunny

Temperature Icon28°/15°

Humidity Icon72%

Wind Icon19.1km/h
Fri. 24, Jul.
sunnySunny

Temperature Icon29°/13°

Humidity Icon63%

Wind Icon14km/h
Sat. 25, Jul.
sunnySunny

Temperature Icon30°/12°

Humidity Icon50%

Wind Icon20.9km/h
Sun. 26, Jul.
sunnySunny

Temperature Icon24°/11°

Humidity Icon56%

Wind Icon19.8km/h
Mon. 27, Jul.
moderate rain at timesRain

Temperature Icon24°/11°

Humidity Icon63%

Wind Icon15.7km/h
Tue. 28, Jul.
moderate or heavy rain showerRain Showers

Temperature Icon24°/11°

Humidity Icon66%

Wind Icon15km/h
Wed. 29, Jul.
patchy rain possibleRain Possible

Temperature Icon25°/12°

Humidity Icon63%

Wind Icon15.4km/h
Thu. 30, Jul.
heavy rain at timesHeavy Rain

Temperature Icon26°/12°

Humidity Icon64%

Wind Icon14.8km/h
Fri. 31, Jul.
heavy rain at timesHeavy Rain

Temperature Icon26°/12°

Humidity Icon63%

Wind Icon16.6km/h
Sat. 1, Aug.
heavy rain at timesHeavy Rain

Temperature Icon26°/12°

Humidity Icon63%

Wind Icon16.1km/h
Sun. 2, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon25°/12°

Humidity Icon63%

Wind Icon16.9km/h
Mon. 3, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon23°/12°

Humidity Icon67%

Wind Icon17.2km/h
Tue. 4, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon22°/11°

Humidity Icon68%

Wind Icon16km/h
Wed. 5, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon23°/11°

Humidity Icon68%

Wind Icon15.3km/h
Thu. 6, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon24°/11°

Humidity Icon65%

Wind Icon15.2km/h
Fri. 7, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon23°/11°

Humidity Icon64%

Wind Icon15.8km/h
Sat. 8, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon22°/11°

Humidity Icon68%

Wind Icon16.1km/h
Sun. 9, Aug.
moderate rain at timesRain

Temperature Icon24°/10°

Humidity Icon61%

Wind Icon15.7km/h
Mon. 10, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon25°/12°

Humidity Icon58%

Wind Icon15.9km/h
Tue. 11, Aug.
moderate rain at timesRain

Temperature Icon24°/12°

Humidity Icon62%

Wind Icon14.7km/h
Wed. 12, Aug.
heavy rain at timesHeavy Rain

Temperature Icon24°/11°

Humidity Icon64%

Wind Icon16.7km/h
Thu. 13, Aug.
heavy rain at timesHeavy Rain

Temperature Icon25°/11°

Humidity Icon61%

Wind Icon16.4km/h
Fri. 14, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon24°/11°

Humidity Icon59%

Wind Icon15.9km/h
Sat. 15, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon24°/11°

Humidity Icon62%

Wind Icon17.7km/h
Sun. 16, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon24°/11°

Humidity Icon61%

Wind Icon14.9km/h
Mon. 17, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon24°/11°

Humidity Icon59%

Wind Icon14.8km/h
Tue. 18, Aug.
moderate rain at timesRain

Temperature Icon24°/11°

Humidity Icon58%

Wind Icon18.1km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSat. 25, Jul.

30°C


Low will be onSun. 9, Aug.

10°C

HumidityHumidity

High will be onMon. 20, Jul.

74%


Low will be onSun. 19, Jul.

47%

Wind SpeedWind Speed

High will be onMon. 20, Jul.

24.1km/h


Low will be onWed. 22, Jul.

14km/h

PrecipitationPrecipitation

High will be onMon. 3, Aug.

7.2mm


Low will be onSun. 19, Jul.

0.01mm

Ultraviolet IndexUV

High will be onWed. 22, Jul.

7.2


Low will be onMon. 27, Jul.

4