Semarang, Jawa Tengah, Indonesia Climate Change Severity

43
High
The current climate change severity in Semarang is High, with a 0.8% improvement in the climate score compared to last 16 years. This suggests improved conditions, with more favorable environmental indicators and a reduction in negative impacts.
Data: Jan. to Jul. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Semarang 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), Semarang temperature has changed by around -3.4%, 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
1935
84.2%
cloudyCloudy
221
-95.4%
rainyRainy
166104
-37.3%
snowySnowy
00
0%
mistyMisty
00
0%

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

Climate Change Indicators:

Over the past 16 years, Semarang has experienced measurable shifts in key climate parameters, contributing to the current severity score of 43 (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

43/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Semarang experienced significant changes:

Temperature change of

-0.93 °C

Variation in annual rainfall

+17.23 %

Change in average humidity

+1.54 %

PM2.5 levels surged by

-23.92 %

Heatwave changed by

-4 Days

Coldwave changed by

+6 Days

Wind speeds changed by

+3.17 km/h

These indicators show improvement in key parametes of climate, but Semarang 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 Jul.

Semarang Weather Forecast 30 Days (August - September 2026)
Semarang, Jawa Tengah, Indonesia

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sun. 9, Aug.
sunnySunny
Temperature Icon34°/21°
Humidity Icon63%
Wind Icon19.1km/h
Mon. 10, Aug.
sunnySunny
Temperature Icon32°/21°
Humidity Icon68%
Wind Icon19.1km/h
Tue. 11, Aug.
sunnySunny
Temperature Icon33°/21°
Humidity Icon65%
Wind Icon19.4km/h
Wed. 12, Aug.
sunnySunny
Temperature Icon34°/20°
Humidity Icon57%
Wind Icon22km/h
Thu. 13, Aug.
sunnySunny
Temperature Icon34°/20°
Humidity Icon58%
Wind Icon20.9km/h
Fri. 14, Aug.
sunnySunny
Temperature Icon34°/20°
Humidity Icon58%
Wind Icon16.9km/h
Sat. 15, Aug.
sunnySunny
Temperature Icon34°/21°
Humidity Icon61%
Wind Icon18km/h
Sun. 16, Aug.
sunnySunny
Temperature Icon34°/21°
Humidity Icon63%
Wind Icon17.6km/h
Mon. 17, Aug.
patchy rain possibleRain Possible
Temperature Icon32°/24°
Humidity Icon69%
Wind Icon12km/h
Tue. 18, Aug.
moderate rain at timesRain
Temperature Icon32°/24°
Humidity Icon69%
Wind Icon12.9km/h
Wed. 19, Aug.
moderate or heavy rain showerRain Showers
Temperature Icon33°/24°
Humidity Icon69%
Wind Icon13km/h
Thu. 20, Aug.
heavy rain at timesHeavy Rain
Temperature Icon33°/24°
Humidity Icon69%
Wind Icon12.7km/h
Fri. 21, Aug.
heavy rain at timesHeavy Rain
Temperature Icon32°/24°
Humidity Icon68%
Wind Icon13km/h
Sat. 22, Aug.
heavy rain at timesHeavy Rain
Temperature Icon33°/24°
Humidity Icon69%
Wind Icon12.9km/h
Sun. 23, Aug.
patchy rain possibleRain Possible
Temperature Icon33°/24°
Humidity Icon68%
Wind Icon13.5km/h
Mon. 24, Aug.
moderate rain at timesRain
Temperature Icon33°/24°
Humidity Icon67%
Wind Icon13.2km/h
Tue. 25, Aug.
moderate rain at timesRain
Temperature Icon33°/24°
Humidity Icon66%
Wind Icon13.1km/h
Wed. 26, Aug.
patchy rain possibleRain Possible
Temperature Icon33°/24°
Humidity Icon66%
Wind Icon14km/h
Thu. 27, Aug.
moderate rain at timesRain
Temperature Icon33°/24°
Humidity Icon67%
Wind Icon13.4km/h
Fri. 28, Aug.
moderate rain at timesRain
Temperature Icon33°/24°
Humidity Icon67%
Wind Icon14.1km/h
Sat. 29, Aug.
patchy rain possibleRain Possible
Temperature Icon33°/24°
Humidity Icon67%
Wind Icon13km/h
Sun. 30, Aug.
moderate rain at timesRain
Temperature Icon33°/24°
Humidity Icon69%
Wind Icon13.4km/h
Mon. 31, Aug.
moderate rain at timesRain
Temperature Icon33°/24°
Humidity Icon68%
Wind Icon13.7km/h
Tue. 1, Sep.
patchy rain possibleRain Possible
Temperature Icon33°/24°
Humidity Icon68%
Wind Icon14km/h
Wed. 2, Sep.
moderate rain at timesRain
Temperature Icon33°/24°
Humidity Icon67%
Wind Icon13.1km/h
Thu. 3, Sep.
moderate rain at timesRain
Temperature Icon33°/24°
Humidity Icon66%
Wind Icon14.2km/h
Fri. 4, Sep.
moderate rain at timesRain
Temperature Icon33°/24°
Humidity Icon67%
Wind Icon13.4km/h
Sat. 5, Sep.
heavy rain at timesHeavy Rain
Temperature Icon33°/24°
Humidity Icon68%
Wind Icon12.5km/h
Sun. 6, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon33°/24°
Humidity Icon67%
Wind Icon12.6km/h
Mon. 7, Sep.
heavy rain at timesHeavy Rain
Temperature Icon33°/24°
Humidity Icon66%
Wind Icon13.8km/h
Tue. 8, Sep.
moderate or heavy rain showerRain Showers
Temperature Icon33°/24°
Humidity Icon67%
Wind Icon13.7km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 9, Aug.

34°C

Low will be onWed. 12, Aug.

20°C

HumidityHumidity

High will be onMon. 17, Aug.

69%

Low will be onWed. 12, Aug.

57%

Wind SpeedWind Speed

High will be onWed. 12, Aug.

22km/h

Low will be onMon. 17, Aug.

12km/h

PrecipitationPrecipitation

High will be onWed. 19, Aug.

2.3mm

Low will be onMon. 10, Aug.

0.01mm

Ultraviolet IndexUV

High will be onSun. 9, Aug.

10.3

Low will be onMon. 17, Aug.

7

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