Monthly climate in Bontang Baru, Indonesia

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Bontang Baru features a tropical rainforest climate (Af). Temperatures typically range between 27 °C (81 °F) and 27 °C (82 °F) through the year, but rarely can drop to 24 °C (75 °F) or can rise to as high as 31 °C (88 °F). The average annual precipitation amounts to about 2500 mm (98.4 inches) and receives 300 rainy days on the 1 mm (0.04 inches) threshold annually. Bontang Baru enjoys an average of 3400 hours of sunshine throughout the year, and daylight varies from 12 hours 6 minutes to 12 hours 7 minutes per day.

Monthly average temperatures in Bontang Baru, Indonesia

The warmest months in Bontang Baru are May, October and November, with daily mean temperatures ranging from 27 to 27 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in January, July and August, when daily mean temperatures range from 27 to 27 °C (81 - 81 °F) throughout the day. On average each year, Bontang Baru experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bontang Baru. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum31°C
(88°F)
30°C
(86°F)
30°C
(86°F)
31°C
(88°F)
30°C
(86°F)
30°C
(87°F)
30°C
(86°F)
30°C
(87°F)
30°C
(86°F)
31°C
(88°F)
30°C
(86°F)
31°C
(88°F)
Mean maximum30°C
(86°F)
30°C
(86°F)
30°C
(86°F)
30°C
(86°F)
30°C
(86°F)
30°C
(86°F)
30°C
(86°F)
30°C
(86°F)
30°C
(86°F)
30°C
(87°F)
30°C
(86°F)
30°C
(87°F)
Average high29°C
(84°F)
29°C
(84°F)
29°C
(84°F)
29°C
(84°F)
29°C
(84°F)
28°C
(84°F)
28°C
(83°F)
29°C
(84°F)
29°C
(84°F)
29°C
(84°F)
29°C
(84°F)
29°C
(84°F)
Daily mean27°C
(81°F)
27°C
(81°F)
27°C
(81°F)
27°C
(81°F)
27°C
(82°F)
27°C
(81°F)
27°C
(81°F)
27°C
(81°F)
27°C
(81°F)
27°C
(81°F)
27°C
(81°F)
27°C
(81°F)
Average low25°C
(78°F)
25°C
(78°F)
25°C
(78°F)
26°C
(78°F)
26°C
(79°F)
26°C
(78°F)
25°C
(78°F)
25°C
(78°F)
26°C
(78°F)
26°C
(78°F)
26°C
(78°F)
26°C
(78°F)
Mean minimum25°C
(77°F)
24°C
(76°F)
25°C
(76°F)
25°C
(76°F)
25°C
(77°F)
25°C
(77°F)
24°C
(76°F)
24°C
(76°F)
25°C
(76°F)
25°C
(76°F)
25°C
(77°F)
25°C
(77°F)
Minimum24°C
(76°F)
24°C
(76°F)
24°C
(76°F)
24°C
(76°F)
25°C
(77°F)
24°C
(76°F)
24°C
(76°F)
24°C
(75°F)
24°C
(76°F)
24°C
(76°F)
25°C
(76°F)
24°C
(76°F)

Compare climate in Bontang Baru with other places

Compare temperature, precipitation, sunshine, UV index in Bontang Baru, Indonesia with other places around the world.

Monthly average precipitation in Bontang Baru, Indonesia

Bontang Baru usually has the most precipitation in March, November and December, with an average of 27 rainy days and 254 mm (10.0 inches) of precipitation per month. The driest months in Bontang Baru are July, August and September. On average, 167 mm (6.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bontang Baru. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)199 (7.8)190 (7.5)237 (9.3)224 (8.8)214 (8.4)213 (8.4)185 (7.3)156 (6.2)160 (6.3)197 (7.8)248 (9.8)277 (10.9)
Average precipitation days (≥ 1 mm)222325262826242320272729

Monthly sunshine hours in Bontang Baru, Indonesia

The sunniest months in Bontang Baru are March, July and August, when the sun shines an average of 9 hours 38 minutes a day. Least sunny months in Bontang Baru: January, February and November receive an average of 8 hours 41 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bontang Baru. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours234268294282294282298303286292279283
Mean daily daylight hours12h 6m12h 6m12h 6m12h 6m12h 6m12h 7m12h 6m12h 6m12h 6m12h 6m12h 6m12h 6m

Solar UV radiation in Bontang Baru, Indonesia

Bontang Baru experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 16 - 16, which corresponds to the Extreme category of sun exposure. June, July and December are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 13. For more detailed information, check out our hourly Bontang Baru UV Index data.

Average daily maximum UV levels by month for Bontang Baru. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)141616161412131414151413