Karaj, Alborz Province, Iran Climate Change Severity

52
High
The current climate change severity in Karaj is High, with no significant change in the climate score compared to last 15 years. This suggests stable conditions, where environmental indicators have remained consistent without notable improvements or deteriorations.
Data: Jan. to Aug. (Historical Vs 2025) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C (c)

Karaj 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), Karaj temperature has changed by around +7.1%, and has experienced notable climate changes.

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

Comparison of Weather Condition (Historic Vs 2025)

HistoricDays

Year 2025Days

Change

sunnySunny
134117
-12.6%
cloudyCloudy
4041
2.5%
rainyRainy
5447
-12.9%
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, Karaj has experienced measurable shifts in key climate parameters, contributing to the current severity score of 52 (within the High severity category). This suggests stable but high-risk conditions. Here’s a breakdown of the specific changes observed:

Severity Score

52/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2025, Karaj experienced significant changes:

Temperature change of

+1.1 °C

Variation in annual rainfall

-22.6 %

Change in average humidity

-8.09 %

PM2.5 levels surged by

+100 %

Heatwave changed by

+0.4 day(s)

Coldwave changed by

+2.8 day(s)

Wind speeds changed by

+1.8 km/h

Although the indicators show no significant change, Karaj’s High severity status emphasizes the need for long-term climate mitigation and adaptation measures.

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

Karaj Weather Forecast 30 Days (September - October 2025)
Karaj, Alborz Province, Iran

Condition
Temperature IconTemperature
Humidity Iconhumi.
Wind IconWind Speed
Fri. 26, Sep.
sunnySunny
Temperature Icon24°/15°
Humidity Icon27%
Wind Icon14km/h
Sat. 27, Sep.
patchy rain possiblePatchy rain nearby
Temperature Icon25°/14°
Humidity Icon31%
Wind Icon16km/h
Sun. 28, Sep.
sunnySunny
Temperature Icon26°/15°
Humidity Icon23%
Wind Icon12km/h
Mon. 29, Sep.
sunnySunny
Temperature Icon27°/17°
Humidity Icon15%
Wind Icon10km/h
Tue. 30, Sep.
sunnySunny
Temperature Icon28°/19°
Humidity Icon13%
Wind Icon13km/h
Wed. 1, Oct.
sunnySunny
Temperature Icon27°/17°
Humidity Icon22%
Wind Icon10km/h
Thu. 2, Oct.
sunnySunny
Temperature Icon27°/17°
Humidity Icon20%
Wind Icon13km/h
Fri. 3, Oct.
sunnySunny
Temperature Icon27°/17°
Humidity Icon26%
Wind Icon11km/h
Sat. 4, Oct.
sunnySunny
Temperature Icon28°/17°
Humidity Icon22%
Wind Icon10km/h
Sun. 5, Oct.
sunnySunny
Temperature Icon28°/19°
Humidity Icon16%
Wind Icon10km/h
Mon. 6, Oct.
sunnySunny
Temperature Icon26°/18°
Humidity Icon24%
Wind Icon10km/h
Tue. 7, Oct.
sunnySunny
Temperature Icon24°/15°
Humidity Icon35%
Wind Icon10km/h
Wed. 8, Oct.
sunnySunny
Temperature Icon23°/14°
Humidity Icon38%
Wind Icon10km/h
Thu. 9, Oct.
sunnySunny
Temperature Icon24°/15°
Humidity Icon33%
Wind Icon10km/h
Fri. 10, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon22°/11°
Humidity Icon33%
Wind Icon13km/h
Sat. 11, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon22°/11°
Humidity Icon31%
Wind Icon12km/h
Sun. 12, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon22°/10°
Humidity Icon34%
Wind Icon14km/h
Mon. 13, Oct.
moderate rain at timesModerate rain at times
Temperature Icon20°/11°
Humidity Icon37%
Wind Icon13km/h
Tue. 14, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon22°/10°
Humidity Icon33%
Wind Icon14km/h
Wed. 15, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon21°/11°
Humidity Icon30%
Wind Icon14km/h
Thu. 16, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon21°/11°
Humidity Icon32%
Wind Icon13km/h
Fri. 17, Oct.
moderate rain at timesModerate rain at times
Temperature Icon21°/10°
Humidity Icon31%
Wind Icon13km/h
Sat. 18, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon20°/10°
Humidity Icon32%
Wind Icon14km/h
Sun. 19, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon20°/10°
Humidity Icon32%
Wind Icon13km/h
Mon. 20, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon20°/11°
Humidity Icon32%
Wind Icon13km/h
Tue. 21, Oct.
patchy rain possiblePatchy rain possible
Temperature Icon18°/9°
Humidity Icon39%
Wind Icon16km/h
Wed. 22, Oct.
moderate rain at timesModerate rain at times
Temperature Icon17°/8°
Humidity Icon39%
Wind Icon14km/h
Thu. 23, Oct.
moderate rain at timesModerate rain at times
Temperature Icon18°/8°
Humidity Icon39%
Wind Icon12km/h
Fri. 24, Oct.
moderate rain at timesModerate rain at times
Temperature Icon18°/9°
Humidity Icon34%
Wind Icon14km/h
Sat. 25, Oct.
moderate rain at timesModerate rain at times
Temperature Icon19°/8°
Humidity Icon38%
Wind Icon14km/h
Sun. 26, Oct.
heavy rain at timesHeavy rain at times
Temperature Icon18°/10°
Humidity Icon42%
Wind Icon13km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 5, Oct.

28.1°C

Low will be onWed. 22, Oct.

7.5°C

HumidityHumidity

High will be onSun. 26, Oct.

42%

Low will be onTue. 30, Sep.

13%

Wind SpeedWind Speed

High will be onTue. 21, Oct.

15.8km/h

Low will be onMon. 29, Sep.

9.7km/h

PrecipitationPrecipitation

High will be onSun. 26, Oct.

1.3mm

Low will be onFri. 26, Sep.

0.07mm

Ultraviolet IndexUV

High will be onWed. 1, Oct.

6

Low will be onSat. 27, Sep.

1.5

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