Climate averages 1991–2020

Tarakan weather
in January.

A warm, very wet month: the coolest and the 10th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 27.5°C Daytime mean, January

Average low 24.6°C Night-time mean, January

Rainfall 263 mm 27 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

January is a warm month in Tarakan: daytime highs average 27.5°C and nights cool to about 24.6°C. By daytime temperature it is the coolest month of the year.

Expect about 263 mm of rain on roughly 27 days, which makes January a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 57 min on an average January day.

The nearest other city in this atlas is Tawau (109 km away). In January its highs average 28.9°C, 1.4°C warmer than Tarakan, with 156 mm of rain.

Among the 200 cities listed in Indonesia, Tarakan ranks joint 160th of 200 for the warmest January highs and 43rd of 200 for the driest January (rainfall, lowest first). The mean January high of those 200 cities is 28.2°C; Tarakan is 0.7°C cooler than that mean.

From January to February, average highs rise by 0.1°C to 27.6°C, and monthly rainfall falls from 263 mm to 211 mm.

The annual picture

January in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Tarakan climate table

1991–2020

Monthly climate averages for Tarakan, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	27.5°C24.6°C	24.6°C	263	27.0	12.012 h
February	27.6°C24.8°C	24.8°C	211	25.1	12.012 h
March	27.9°C24.8°C	24.8°C	235	28.5	12.112 h
April	28.3°C24.9°C	24.9°C	226	27.9	12.212 h
May	28.6°C25.2°C	25.2°C	249	29.3	12.312 h
June	28.4°C25.1°C	25.1°C	217	26.9	12.312 h
July	28.2°C24.9°C	24.9°C	210	26.8	12.312 h
August	28.4°C24.9°C	24.9°C	211	26.5	12.212 h
September	28.4°C24.9°C	24.9°C	227	27.2	12.112 h
October	28.3°C24.8°C	24.8°C	260	29.3	12.012 h
November	28.1°C24.6°C	24.6°C	278	29.0	12.012 h
December	27.9°C24.6°C	24.6°C	298	29.9	11.912 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

January in nearby cities

Distance from Tarakan

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Tarakan) is explained once on the Tarakan year overview and on the Sources, method and limits page.