ClimateAverages

Sumber Climate

West Java, Indonesia · population 93,420 · 28 weather stations within 200 km · records 1841 to 2025

Average annual daytime high
29.4°C
Warmest month · September
30.6°C
Typical daytime high
Coldest month · July
19.5°C
Typical overnight low

Sumber has an average annual daytime high of 29.4°C, based on the 1951 to 1980 baseline. Its warmest month is September, when highs typically reach 30.6°C, and its coldest is July, with overnight lows near 19.5°C.

Month by month averages

MonthAvg highAvg low
January28.2°C20.8°C
February28.5°C20.8°C
March29.1°C21.0°C
April29.6°C21.1°C
May29.7°C21.0°C
June29.2°C20.1°C
July28.9°C19.5°CColdest
August29.7°C19.8°C
September30.6°C20.3°CWarmest
October30.6°C20.9°C
November30.1°C21.3°C
December29.1°C20.9°C

Temperature range across the year

18°21°25°29°33°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2023
+1.5°C vs. 1951–1980
Coldest year on record
1879
-1.1°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Sumber getting hotter?

Since 1900, Sumber's average temperature has risen by +1.7°C. Compared to the earliest station records that begin in 1841, warming totals +1.8°C.

23.9°24.5°25.0°25.6°26.2°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
any time of year

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Sumber?

Sumber's average annual daytime high is 29.4°C, based on the 1951 to 1980 baseline period. The warmest month is September, with highs averaging 30.6°C, and the coldest is July, with lows averaging 19.5°C.

What is the warmest month in Sumber?

September is the warmest month in Sumber, with typical daytime highs of 30.6°C.

What is the hottest year on record for Sumber?

2023 is the hottest year on record for Sumber, running +1.5°C above the 1951 to 1980 baseline.

Is Sumber getting hotter?

Yes. Since 1900, Sumber has warmed by roughly +1.7°C.

When is the best time to visit Sumber?

any time of year typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.