Banff, Alberta, Canada Climate Change Severity

67
Very High
The current climate change severity in Banff is Very High, with a 45.6% 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 Jul. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Banff 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), Banff temperature has changed by around -42.7%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
2619
-26.9%
cloudyCloudy
4753
12.7%
rainyRainy
10661
-42.4%
snowySnowy
1112
9.09%
mistyMisty
03
100%

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

Climate Change Indicators:

Over the past 15 years, Banff 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 2025, Banff experienced significant changes:

Temperature change of

-1.7 °C

Variation in annual rainfall

+34.1 %

Change in average humidity

-7.1 %

PM2.5 levels surged by

-35.1 %

Heatwave changed by

-10 day(s)

Coldwave changed by

+0.4 day(s)

Wind speeds changed by

-0.2 km/h

These indicators show a dramatic increase in volatility and worsening conditions. Banff'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 Jul.

Banff Weather Forecast 30 Days (August - September 2025)
Banff, Alberta, Canada

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Thu. 21, Aug.
sunnySunny
Temperature Icon17°/5°
Humidity Icon51%
Wind Icon9km/h
Fri. 22, Aug.
sunnySunny
Temperature Icon18°/5°
Humidity Icon54%
Wind Icon5km/h
Sat. 23, Aug.
sunnySunny
Temperature Icon21°/8°
Humidity Icon46%
Wind Icon5km/h
Sun. 24, Aug.
sunnySunny
Temperature Icon24°/11°
Humidity Icon47%
Wind Icon5km/h
Mon. 25, Aug.
sunnySunny
Temperature Icon25°/10°
Humidity Icon42%
Wind Icon8km/h
Tue. 26, Aug.
sunnySunny
Temperature Icon26°/12°
Humidity Icon41%
Wind Icon7km/h
Wed. 27, Aug.
sunnySunny
Temperature Icon26°/11°
Humidity Icon47%
Wind Icon7km/h
Thu. 28, Aug.
sunnySunny
Temperature Icon26°/11°
Humidity Icon51%
Wind Icon7km/h
Fri. 29, Aug.
sunnySunny
Temperature Icon25°/12°
Humidity Icon49%
Wind Icon9km/h
Sat. 30, Aug.
sunnySunny
Temperature Icon24°/11°
Humidity Icon52%
Wind Icon8km/h
Sun. 31, Aug.
sunnySunny
Temperature Icon26°/11°
Humidity Icon44%
Wind Icon5km/h
Mon. 1, Sep.
sunnySunny
Temperature Icon26°/12°
Humidity Icon51%
Wind Icon12km/h
Tue. 2, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon18°/10°
Humidity Icon78%
Wind Icon7km/h
Wed. 3, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/8°
Humidity Icon82%
Wind Icon7km/h
Thu. 4, Sep.
moderate rain at timesModerate rain at times
Temperature Icon18°/8°
Humidity Icon64%
Wind Icon8km/h
Fri. 5, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon19°/8°
Humidity Icon60%
Wind Icon9km/h
Sat. 6, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon18°/8°
Humidity Icon65%
Wind Icon7km/h
Sun. 7, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon19°/8°
Humidity Icon65%
Wind Icon8km/h
Mon. 8, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/8°
Humidity Icon70%
Wind Icon9km/h
Tue. 9, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/7°
Humidity Icon71%
Wind Icon8km/h
Wed. 10, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/6°
Humidity Icon69%
Wind Icon9km/h
Thu. 11, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon18°/7°
Humidity Icon64%
Wind Icon8km/h
Sat. 13, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon17°/7°
Humidity Icon67%
Wind Icon8km/h
Sun. 14, Sep.
heavy rain at timesHeavy rain at times
Temperature Icon17°/6°
Humidity Icon66%
Wind Icon7km/h
Mon. 15, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/7°
Humidity Icon67%
Wind Icon8km/h
Tue. 16, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon16°/6°
Humidity Icon67%
Wind Icon8km/h
Wed. 17, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/6°
Humidity Icon71%
Wind Icon8km/h
Thu. 18, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon14°/5°
Humidity Icon73%
Wind Icon9km/h
Fri. 19, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon12°/5°
Humidity Icon75%
Wind Icon9km/h
Sat. 20, Sep.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon13°/4°
Humidity Icon75%
Wind Icon8km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 26, Aug.

25.8°C

Low will be onSat. 20, Sep.

4.4°C

HumidityHumidity

High will be onWed. 3, Sep.

82%

Low will be onTue. 26, Aug.

41%

Wind SpeedWind Speed

High will be onMon. 1, Sep.

11.9km/h

Low will be onFri. 22, Aug.

4.7km/h

PrecipitationPrecipitation

High will be onSat. 20, Sep.

4.9mm

Low will be onThu. 28, Aug.

0.04mm

Ultraviolet IndexUV

High will be onTue. 26, Aug.

5

Low will be onWed. 17, Sep.

2

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