South Tucson, Arizona, United States Climate Change Severity

76
Very High
The current climate change severity in South Tucson is Very High, with a 49.2% 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 Jul. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100


South Tucson Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), South Tucson temperature has changed by around +11.7%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
123154
25.2%

cloudyCloudy
3921
-46.1%

rainyRainy
339
-72.7%

snowySnowy
00
0%

mistyMisty
01
100%

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

Climate Change Indicators:

Over the past 16 years, South Tucson has experienced measurable shifts in key climate parameters, contributing to the current severity score of 76 (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

76/100


Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, South Tucson experienced significant changes:

Temperature change of

+2.43 °C


Variation in annual rainfall

+23.65 %


Change in average humidity

+10.34 %


PM2.5 levels surged by

-41.62 %


Heatwave changed by

+26 Days


Coldwave changed by

-2 Days


Wind speeds changed by

+1.96 km/h


These indicators show a dramatic increase in volatility and worsening conditions. South Tucson'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.

South Tucson Weather Forecast 30 Days (August - September 2026)
South Tucson, Arizona, United States


Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sat. 15, Aug.
sunnySunny

Temperature Icon37°/23°

Humidity Icon39%

Wind Icon11.2km/h
Sun. 16, Aug.
sunnySunny

Temperature Icon38°/29°

Humidity Icon33%

Wind Icon22.7km/h
Mon. 17, Aug.
sunnySunny

Temperature Icon39°/29°

Humidity Icon32%

Wind Icon12.2km/h
Tue. 18, Aug.
sunnySunny

Temperature Icon40°/29°

Humidity Icon30%

Wind Icon26.6km/h
Wed. 19, Aug.
sunnySunny

Temperature Icon39°/27°

Humidity Icon36%

Wind Icon24.1km/h
Thu. 20, Aug.
sunnySunny

Temperature Icon38°/27°

Humidity Icon40%

Wind Icon31.3km/h
Fri. 21, Aug.
sunnySunny

Temperature Icon39°/28°

Humidity Icon37%

Wind Icon25.9km/h
Sat. 22, Aug.
sunnySunny

Temperature Icon39°/28°

Humidity Icon40%

Wind Icon36.4km/h
Sun. 23, Aug.
moderate or heavy rain showerRain Showers

Temperature Icon35°/25°

Humidity Icon43%

Wind Icon16.2km/h
Mon. 24, Aug.
moderate rain at timesRain

Temperature Icon35°/24°

Humidity Icon40%

Wind Icon16.3km/h
Tue. 25, Aug.
heavy rain at timesHeavy Rain

Temperature Icon35°/25°

Humidity Icon42%

Wind Icon16.2km/h
Wed. 26, Aug.
moderate rain at timesRain

Temperature Icon36°/25°

Humidity Icon40%

Wind Icon15km/h
Thu. 27, Aug.
patchy rain possibleRain Possible

Temperature Icon37°/25°

Humidity Icon36%

Wind Icon15.8km/h
Fri. 28, Aug.
patchy rain possibleRain Possible

Temperature Icon36°/25°

Humidity Icon35%

Wind Icon17.1km/h
Sat. 29, Aug.
moderate rain at timesRain

Temperature Icon37°/25°

Humidity Icon36%

Wind Icon15.7km/h
Sun. 30, Aug.
moderate rain at timesRain

Temperature Icon36°/25°

Humidity Icon38%

Wind Icon18km/h
Mon. 31, Aug.
heavy rain at timesHeavy Rain

Temperature Icon35°/25°

Humidity Icon40%

Wind Icon18.8km/h
Tue. 1, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon35°/24°

Humidity Icon40%

Wind Icon17.9km/h
Wed. 2, Sep.
moderate rain at timesRain

Temperature Icon35°/23°

Humidity Icon42%

Wind Icon17.6km/h
Thu. 3, Sep.
patchy rain possibleRain Possible

Temperature Icon36°/24°

Humidity Icon37%

Wind Icon17.9km/h
Fri. 4, Sep.
moderate rain at timesRain

Temperature Icon36°/23°

Humidity Icon37%

Wind Icon17.8km/h
Sat. 5, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon35°/24°

Humidity Icon37%

Wind Icon18.4km/h
Sun. 6, Sep.
moderate rain at timesRain

Temperature Icon35°/24°

Humidity Icon38%

Wind Icon16.5km/h
Mon. 7, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon34°/25°

Humidity Icon42%

Wind Icon18.1km/h
Tue. 8, Sep.
heavy rain at timesHeavy Rain

Temperature Icon34°/25°

Humidity Icon43%

Wind Icon18.6km/h
Wed. 9, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon33°/23°

Humidity Icon42%

Wind Icon19km/h
Thu. 10, Sep.
heavy rain at timesHeavy Rain

Temperature Icon34°/22°

Humidity Icon38%

Wind Icon17.3km/h
Fri. 11, Sep.
patchy rain possibleRain Possible

Temperature Icon35°/22°

Humidity Icon39%

Wind Icon16km/h
Sat. 12, Sep.
heavy rain at timesHeavy Rain

Temperature Icon34°/23°

Humidity Icon37%

Wind Icon17.1km/h
Sun. 13, Sep.
moderate or heavy rain showerRain Showers

Temperature Icon34°/23°

Humidity Icon37%

Wind Icon18km/h
Mon. 14, Sep.
patchy rain possibleRain Possible

Temperature Icon34°/22°

Humidity Icon40%

Wind Icon19.9km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 18, Aug.

40°C


Low will be onThu. 10, Sep.

22°C

HumidityHumidity

High will be onSun. 23, Aug.

43%


Low will be onTue. 18, Aug.

30%

Wind SpeedWind Speed

High will be onSat. 22, Aug.

36.4km/h


Low will be onSat. 15, Aug.

11.2km/h

PrecipitationPrecipitation

High will be onSat. 5, Sep.

5.8mm


Low will be onFri. 21, Aug.

0.02mm

Ultraviolet IndexUV

High will be onSat. 15, Aug.

11.3


Low will be onSun. 23, Aug.

6