Jakarta and Semarang hit 30-year warmest temperature records

Semarang – Jakarta and Semarang are the two metropolitan cities with the hottest temperature records in the last 30 years, according to the Meteorology, Climatology and Geophysics Agency (BMKG). In its report on a 30-year Climatological Analysis, from 1991 to 2021, the average maximum temperature in the two cities peaked in September-October.

According to BMKG records in its Instagram post, the average maximum temperature in Jakarta and Semarang reached 31.4 degrees Celsius. Meanwhile, the average temperature in Semarang and its surrounding areas reached 37-38 degrees Celsius and is predicted to last until October 2023.

BMKG revealed that the lowest average humidity and number of rainy days in Jakarta and Semarang occurred in August to September, with humidity levels of 64-65 per cent and the number of rainy days between four and seven days.

The cause of hot temperatures in several regions of the country is the maximum sunlight to the Earth. According to BMKG analysis, the apparent position of the sun, which is still moving south of the equator, impacts solar irradiation that is relatively more intense than other regions.

BMKG Central Java Climatology Station Information and Field Coordinator Iss Widya Harmoko said that the apparent motion of the sun, which also causes hot air in Semarang City, is a routine cycle every year.

“Climatologically, this apparent motion of the sun will tend to increase the temperature. Currently, the sun seems to be moving towards the south. Around early October, the sun will be at the culmination point right above Java,” Harmoko said. (Hartatik)

Banner photo: Kaique Rocha/Pexels.com

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