Lethbridge, Alberta, Canada Climate Change Severity

48
High
The current climate change severity in Lethbridge is High, with a -10.5% improvement in the climate score compared to last 15 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to May (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Lethbridge 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), Lethbridge temperature has changed by around -65.1%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty

Data: Jan. to May (Historical Vs 2025)

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
3320
-39.3%
cloudyCloudy
5025
-50%
rainyRainy
6345
-28.5%
snowySnowy
710
42.8%
mistyMisty
01
100%

Climate Change Indicators:

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

Temperature change of

-2.4 °C

Variation in annual rainfall

-15.2 %

Change in average humidity

+1.6 %

PM2.5 levels surged by

-17.3 %

Heatwave changed by

-4.8 day(s)

Coldwave changed by

-10.4 day(s)

Wind speeds changed by

+1.4 km/h

These indicators show improvement in areas like air quality and heatwave duration, but Lethbridge 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 May

Lethbridge Weather Forecast 30 Days (July 2025)
Lethbridge, Alberta, Canada

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Tue. 1, Jul.
sunnySunny
Temperature Icon33°/9°
Humidity Icon55%
Wind Icon15km/h
Wed. 2, Jul.
sunnySunny
Temperature Icon33°/14°
Humidity Icon51%
Wind Icon34km/h
Thu. 3, Jul.
sunnySunny
Temperature Icon28°/13°
Humidity Icon45%
Wind Icon28km/h
Fri. 4, Jul.
sunnySunny
Temperature Icon24°/11°
Humidity Icon52%
Wind Icon17km/h
Sat. 5, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon16°/13°
Humidity Icon76%
Wind Icon14km/h
Sun. 6, Jul.
partly cloudyPartly Cloudy
Temperature Icon25°/10°
Humidity Icon66%
Wind Icon17km/h
Mon. 7, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon20°/12°
Humidity Icon68%
Wind Icon22km/h
Tue. 8, Jul.
sunnySunny
Temperature Icon24°/9°
Humidity Icon67%
Wind Icon12km/h
Wed. 9, Jul.
sunnySunny
Temperature Icon28°/12°
Humidity Icon52%
Wind Icon13km/h
Thu. 10, Jul.
sunnySunny
Temperature Icon32°/15°
Humidity Icon45%
Wind Icon17km/h
Fri. 11, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon36°/16°
Humidity Icon51%
Wind Icon22km/h
Sat. 12, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon31°/14°
Humidity Icon62%
Wind Icon16km/h
Sun. 13, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/16°
Humidity Icon61%
Wind Icon22km/h
Mon. 14, Jul.
patchy rain possiblePatchy rain nearby
Temperature Icon29°/16°
Humidity Icon73%
Wind Icon23km/h
Tue. 15, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/13°
Humidity Icon50%
Wind Icon18km/h
Wed. 16, Jul.
moderate rain at timesModerate rain at times
Temperature Icon27°/13°
Humidity Icon52%
Wind Icon19km/h
Thu. 17, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/13°
Humidity Icon53%
Wind Icon19km/h
Fri. 18, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon27°/13°
Humidity Icon53%
Wind Icon20km/h
Sat. 19, Jul.
heavy rain at timesHeavy rain at times
Temperature Icon27°/14°
Humidity Icon49%
Wind Icon18km/h
Sun. 20, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon26°/13°
Humidity Icon55%
Wind Icon18km/h
Mon. 21, Jul.
patchy rain possiblePatchy rain possible
Temperature Icon28°/13°
Humidity Icon48%
Wind Icon18km/h
Tue. 22, Jul.
moderate rain at timesModerate rain at times
Temperature Icon28°/13°
Humidity Icon48%
Wind Icon19km/h
Wed. 23, Jul.
moderate rain at timesModerate rain at times
Temperature Icon28°/14°
Humidity Icon48%
Wind Icon20km/h
Thu. 24, Jul.
patchy rain possiblePatchy rain possible
Temperature Icon28°/13°
Humidity Icon47%
Wind Icon21km/h
Fri. 25, Jul.
patchy rain possiblePatchy rain possible
Temperature Icon26°/13°
Humidity Icon50%
Wind Icon19km/h
Sat. 26, Jul.
heavy rain at timesHeavy rain at times
Temperature Icon27°/13°
Humidity Icon51%
Wind Icon17km/h
Sun. 27, Jul.
patchy rain possiblePatchy rain possible
Temperature Icon27°/13°
Humidity Icon48%
Wind Icon17km/h
Mon. 28, Jul.
moderate rain at timesModerate rain at times
Temperature Icon27°/13°
Humidity Icon49%
Wind Icon16km/h
Tue. 29, Jul.
patchy rain possiblePatchy rain possible
Temperature Icon29°/14°
Humidity Icon47%
Wind Icon16km/h
Wed. 30, Jul.
moderate rain at timesModerate rain at times
Temperature Icon30°/14°
Humidity Icon47%
Wind Icon16km/h
Thu. 31, Jul.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/14°
Humidity Icon49%
Wind Icon16km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onFri. 11, Jul.

35.5°C

Low will be onTue. 1, Jul.

9.3°C

HumidityHumidity

High will be onSat. 5, Jul.

76%

Low will be onThu. 3, Jul.

45%

Wind SpeedWind Speed

High will be onWed. 2, Jul.

33.5km/h

Low will be onTue. 8, Jul.

12.2km/h

PrecipitationPrecipitation

High will be onSun. 13, Jul.

3.3mm

Low will be onThu. 10, Jul.

0.08mm

Ultraviolet IndexUV

High will be onWed. 9, Jul.

6

Low will be onMon. 7, Jul.

4

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