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Has the climate in Semarang changed?

Semarang has warmed about 1.7°F between 1993 and 2024.

About 0.6°F per decade, measured from Semarang's official daily weather records, 1993–2024. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.

Is that a lot? Semarang's climate has warmed faster than most other cities in Indonesia.

What has actually changed

Each card compares the 1970s (the first ten years of the record) with recent years (the last ten) — the same span the headline and the chart use.

Average temperature
+1.3°F
1970s
82.0°F
Recent
83.3°F
A steady upward drift

Semarang's temperature, year by year

Average temperature for each year from 1993 to 2024.

80°82°84°86°1993: 82.1°F1994: 81.6°F1995: 81.7°F1996: 81.6°F1997: 82.1°F1998: 82.8°F1999: 81.4°F2003: 82.3°F2004: 82.2°F2005: 82.3°F2006: 82.3°F2007: 82.7°F2008: 82.8°F2009: 83.0°F2010: 82.5°F2011: 82.6°F2012: 82.6°F2013: 83.1°F2014: 83.4°F2015: 83.3°F2016: 83.6°F2017: 83.0°F2018: 82.9°F2019: 83.3°F2020: 83.9°F2021: 83.3°F2022: 82.1°F2023: 83.5°F2024: 84.1°Flong-term trend1993201020202024
a warmer-than-average year a cooler-than-average year

Each bar is one year. Most recent years sit above the older ones. Some recent years still came in cool — warming is a slope, not a straight climb.

Methodology & sources

Temperature — 1991–2020 normals computed from 27 years of daily observations at Jenderal Ahmad Yani, a weather station, about 4 km from the city centre. The underlying daily records come from NOAA's global station network.

How we build these numbers →