Shahriar, Tehran, Iran Climate Change Severity

95
Extreme
The current climate change severity in Shahriar is Extreme, with a 73.5% 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 Aug. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Shahriar Weather Condition Changes (Historic Vs 2026)

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

Over the past 16 year(s), Shahriar temperature has changed by around +28.9%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
133151
13.5%
cloudyCloudy
4015
-62.5%
rainyRainy
5347
-11.3%
snowySnowy
44
0%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Shahriar has experienced measurable shifts in key climate parameters, contributing to the current severity score of 95 (within the Extreme severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

95/100

Extreme

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Shahriar experienced significant changes:

Temperature change of

+4.69 °C

Variation in annual rainfall

-34.72 %

Change in average humidity

-19.03 %

PM2.5 levels surged by

-52.94 %

Heatwave changed by

+82 Days

Coldwave changed by

-7 Days

Wind speeds changed by

+10.17 km/h

These indicators show extreme climate changes, including key climate parametes. The Extreme severity score necessitates immediate action, including large-scale mitigation efforts, climate resilience strategies, and extensive disaster preparedness.

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

Shahriar Weather Forecast 30 Days (September - October 2026)
Shahriar, Tehran, Iran

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sun. 27, Sep.
sunnySunny
Temperature Icon31°/24°
Humidity Icon28%
Wind Icon24.5km/h
Mon. 28, Sep.
sunnySunny
Temperature Icon30°/23°
Humidity Icon30%
Wind Icon14.8km/h
Tue. 29, Sep.
sunnySunny
Temperature Icon33°/24°
Humidity Icon21%
Wind Icon30.6km/h
Wed. 30, Sep.
overcastOvercast
Temperature Icon30°/23°
Humidity Icon23%
Wind Icon43.2km/h
Thu. 1, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon32°/22°
Humidity Icon30%
Wind Icon32km/h
Fri. 2, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon28°/21°
Humidity Icon37%
Wind Icon22.7km/h
Sat. 3, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon30°/23°
Humidity Icon32%
Wind Icon28.8km/h
Sun. 4, Oct.
cloudyCloudy
Temperature Icon29°/23°
Humidity Icon31%
Wind Icon34.6km/h
Mon. 5, Oct.
moderate rain at timesRain
Temperature Icon27°/16°
Humidity Icon27%
Wind Icon16km/h
Tue. 6, Oct.
patchy rain possibleRain Possible
Temperature Icon27°/15°
Humidity Icon25%
Wind Icon14.1km/h
Wed. 7, Oct.
patchy rain possibleRain Possible
Temperature Icon27°/15°
Humidity Icon26%
Wind Icon14.4km/h
Thu. 8, Oct.
patchy rain possibleRain Possible
Temperature Icon26°/15°
Humidity Icon28%
Wind Icon14.2km/h
Fri. 9, Oct.
heavy rain at timesHeavy Rain
Temperature Icon26°/15°
Humidity Icon26%
Wind Icon14.7km/h
Sat. 10, Oct.
patchy rain possibleRain Possible
Temperature Icon26°/15°
Humidity Icon26%
Wind Icon15.1km/h
Sun. 11, Oct.
patchy rain possibleRain Possible
Temperature Icon26°/14°
Humidity Icon24%
Wind Icon13.8km/h
Mon. 12, Oct.
patchy rain possibleRain Possible
Temperature Icon26°/14°
Humidity Icon26%
Wind Icon15.4km/h
Tue. 13, Oct.
moderate rain at timesRain
Temperature Icon25°/14°
Humidity Icon29%
Wind Icon14.2km/h
Wed. 14, Oct.
patchy rain possibleRain Possible
Temperature Icon26°/14°
Humidity Icon27%
Wind Icon14.5km/h
Thu. 15, Oct.
patchy rain possibleRain Possible
Temperature Icon26°/14°
Humidity Icon24%
Wind Icon13.1km/h
Fri. 16, Oct.
patchy rain possibleRain Possible
Temperature Icon26°/14°
Humidity Icon25%
Wind Icon13.1km/h
Sat. 17, Oct.
moderate rain at timesRain
Temperature Icon25°/14°
Humidity Icon25%
Wind Icon14.9km/h
Sun. 18, Oct.
patchy rain possibleRain Possible
Temperature Icon24°/13°
Humidity Icon26%
Wind Icon15km/h
Mon. 19, Oct.
patchy rain possibleRain Possible
Temperature Icon24°/13°
Humidity Icon26%
Wind Icon13.3km/h
Tue. 20, Oct.
patchy rain possibleRain Possible
Temperature Icon24°/13°
Humidity Icon25%
Wind Icon13.7km/h
Wed. 21, Oct.
patchy rain possibleRain Possible
Temperature Icon23°/12°
Humidity Icon30%
Wind Icon16.6km/h
Thu. 22, Oct.
patchy rain possibleRain Possible
Temperature Icon22°/12°
Humidity Icon32%
Wind Icon16.2km/h
Fri. 23, Oct.
patchy rain possibleRain Possible
Temperature Icon22°/11°
Humidity Icon32%
Wind Icon13.6km/h
Sat. 24, Oct.
heavy rain at timesHeavy Rain
Temperature Icon22°/12°
Humidity Icon28%
Wind Icon14.8km/h
Sun. 25, Oct.
moderate rain at timesRain
Temperature Icon22°/11°
Humidity Icon30%
Wind Icon15.3km/h
Mon. 26, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon21°/12°
Humidity Icon34%
Wind Icon11.6km/h
Tue. 27, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon21°/12°
Humidity Icon38%
Wind Icon13.7km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onTue. 29, Sep.

33°C

Low will be onFri. 23, Oct.

11°C

HumidityHumidity

High will be onTue. 27, Oct.

38%

Low will be onTue. 29, Sep.

21%

Wind SpeedWind Speed

High will be onWed. 30, Sep.

43.2km/h

Low will be onMon. 26, Oct.

11.6km/h

PrecipitationPrecipitation

High will be onMon. 26, Oct.

2.5mm

Low will be onSat. 10, Oct.

0.01mm

Ultraviolet IndexUV

High will be onThu. 1, Oct.

8

Low will be onTue. 13, Oct.

4

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