Shahriar, Tehran, Iran Climate Change Severity

62
Very High
The current climate change severity in Shahriar is Very High, with a 12.4% 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

Shahriar 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), Shahriar temperature has changed by around +7.9%, 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
10789
-16.8%
cloudyCloudy
3639
8.3%
rainyRainy
5346
-13.2%
snowySnowy
41
-75%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 15 years, Shahriar has experienced measurable shifts in key climate parameters, contributing to the current severity score of 62 (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

62/100

Very High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Shahriar experienced significant changes:

Temperature change of

+1.1 °C

Variation in annual rainfall

-21.7 %

Change in average humidity

-8.2 %

PM2.5 levels surged by

-50.8 %

Heatwave changed by

+2.3 day(s)

Coldwave changed by

+3.5 day(s)

Wind speeds changed by

+1.9 km/h

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

Shahriar Weather Forecast 30 Days (August - September 2025)
Shahriar, Tehran, Iran

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Sat. 2, Aug.
sunnySunny
Temperature Icon35°/26°
Humidity Icon13%
Wind Icon14km/h
Sun. 3, Aug.
sunnySunny
Temperature Icon36°/27°
Humidity Icon14%
Wind Icon11km/h
Mon. 4, Aug.
sunnySunny
Temperature Icon36°/26°
Humidity Icon18%
Wind Icon10km/h
Tue. 5, Aug.
sunnySunny
Temperature Icon36°/26°
Humidity Icon16%
Wind Icon17km/h
Wed. 6, Aug.
sunnySunny
Temperature Icon36°/25°
Humidity Icon16%
Wind Icon16km/h
Thu. 7, Aug.
sunnySunny
Temperature Icon35°/25°
Humidity Icon18%
Wind Icon10km/h
Fri. 8, Aug.
sunnySunny
Temperature Icon35°/26°
Humidity Icon16%
Wind Icon15km/h
Sat. 9, Aug.
sunnySunny
Temperature Icon35°/26°
Humidity Icon16%
Wind Icon10km/h
Sun. 10, Aug.
sunnySunny
Temperature Icon35°/25°
Humidity Icon18%
Wind Icon10km/h
Mon. 11, Aug.
patchy rain possiblePatchy rain nearby
Temperature Icon33°/25°
Humidity Icon26%
Wind Icon12km/h
Tue. 12, Aug.
sunnySunny
Temperature Icon33°/23°
Humidity Icon29%
Wind Icon13km/h
Wed. 13, Aug.
sunnySunny
Temperature Icon33°/24°
Humidity Icon26%
Wind Icon10km/h
Thu. 14, Aug.
sunnySunny
Temperature Icon33°/23°
Humidity Icon25%
Wind Icon14km/h
Fri. 15, Aug.
sunnySunny
Temperature Icon33°/23°
Humidity Icon19%
Wind Icon13km/h
Sat. 16, Aug.
sunnySunny
Temperature Icon33°/21°
Humidity Icon22%
Wind Icon15km/h
Sun. 17, Aug.
sunnySunny
Temperature Icon33°/21°
Humidity Icon21%
Wind Icon14km/h
Mon. 18, Aug.
sunnySunny
Temperature Icon33°/21°
Humidity Icon19%
Wind Icon14km/h
Tue. 19, Aug.
sunnySunny
Temperature Icon33°/21°
Humidity Icon17%
Wind Icon14km/h
Wed. 20, Aug.
sunnySunny
Temperature Icon33°/21°
Humidity Icon19%
Wind Icon14km/h
Thu. 21, Aug.
sunnySunny
Temperature Icon33°/21°
Humidity Icon21%
Wind Icon14km/h
Fri. 22, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon32°/21°
Humidity Icon25%
Wind Icon14km/h
Sat. 23, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon32°/20°
Humidity Icon25%
Wind Icon14km/h
Sun. 24, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon31°/20°
Humidity Icon29%
Wind Icon14km/h
Mon. 25, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon30°/19°
Humidity Icon30%
Wind Icon14km/h
Tue. 26, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon31°/19°
Humidity Icon29%
Wind Icon13km/h
Wed. 27, Aug.
patchy rain possiblePatchy rain possible
Temperature Icon30°/19°
Humidity Icon26%
Wind Icon14km/h
Thu. 28, Aug.
moderate rain at timesModerate rain at times
Temperature Icon30°/19°
Humidity Icon27%
Wind Icon13km/h
Fri. 29, Aug.
moderate or heavy rain showerModerate or heavy rain shower
Temperature Icon30°/19°
Humidity Icon26%
Wind Icon13km/h
Sat. 30, Aug.
sunnySunny
Temperature Icon30°/19°
Humidity Icon27%
Wind Icon13km/h
Sun. 31, Aug.
sunnySunny
Temperature Icon30°/19°
Humidity Icon25%
Wind Icon12km/h
Mon. 1, Sep.
patchy rain possiblePatchy rain possible
Temperature Icon30°/19°
Humidity Icon23%
Wind Icon13km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 5, Aug.

36.3°C

Low will be onSat. 30, Aug.

18.5°C

HumidityHumidity

High will be onMon. 25, Aug.

30%

Low will be onSat. 2, Aug.

13%

Wind SpeedWind Speed

High will be onTue. 5, Aug.

17.3km/h

Low will be onSat. 9, Aug.

9.7km/h

PrecipitationPrecipitation

High will be onFri. 29, Aug.

1.8mm

Low will be onWed. 13, Aug.

0.01mm

Ultraviolet IndexUV

High will be onWed. 6, Aug.

8

Low will be onSat. 2, Aug.

2.9

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