Bontang climate

Bontang Weather in January

NASA POWER reanalysis for the half-degree grid cell around Bontang, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 28°C on January 1 to 28°C on January 31, and lows from 25°C to 25°C. Normal precipitation for the month is 202 mm over about 25 wet days.

January day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Bontang, in °C, with the record for each date.222426283032151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

January at a glance

Average high
28°C
Average low
25°C
Precipitation
202 mm
Reanalysis high
31°CJan 26, 1998
Reanalysis low
23°CJan 29, 2012
Daylight
12 h 07 min to 12 h 07 min
Cloud cover
84%
Humidity
85%
Dew point
24°C
Wind
7.9 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Jan 128°C25°C30°C 201624°C 199789%
Jan 228°C25°C30°C 201624°C 199787%
Jan 328°C25°C29°C 199524°C 199787%
Jan 428°C25°C30°C 199124°C 199687%
Jan 528°C25°C30°C 199124°C 200687%
Jan 628°C25°C30°C 201624°C 200686%
Jan 728°C25°C30°C 201624°C 199386%
Jan 828°C25°C31°C 201624°C 200086%
Jan 928°C25°C31°C 201624°C 200086%
Jan 1028°C25°C31°C 201624°C 199787%
Jan 1128°C25°C31°C 201624°C 200487%
Jan 1228°C25°C30°C 199823°C 201487%
Jan 1328°C25°C30°C 201624°C 200186%
Jan 1428°C25°C30°C 199824°C 200987%
Jan 1528°C25°C31°C 201624°C 199586%
Jan 1628°C25°C31°C 199824°C 200986%
Jan 1728°C25°C31°C 199824°C 199587%
Jan 1828°C25°C31°C 199824°C 200087%
Jan 1928°C25°C31°C 199824°C 200586%
Jan 2028°C25°C30°C 200824°C 200586%
Jan 2128°C25°C31°C 199824°C 201585%
Jan 2228°C25°C31°C 199824°C 199184%
Jan 2328°C25°C31°C 199824°C 199783%
Jan 2428°C25°C31°C 199824°C 199583%
Jan 2528°C25°C31°C 199824°C 200282%
Jan 2628°C25°C31°C 199824°C 200281%
Jan 2728°C25°C30°C 202024°C 201181%
Jan 2828°C25°C31°C 199824°C 201282%
Jan 2928°C25°C31°C 199823°C 201281%
Jan 3028°C25°C31°C 199824°C 201481%
Jan 3128°C25°C30°C 199824°C 201180%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Bontang, in percent.0204060801001102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+8).

January 1
sunrise 6:10 AM, sunset 6:17 PM
January 31
sunrise 6:20 AM, sunset 6:27 PM

Every day of January: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.