Climate averages 1991–2020

Merauke weather
in January.

A hot, very wet month: the 4th warmest and the 11th driest of the year.

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

Average high 29.5°C Daytime mean, January

Average low 24.8°C Night-time mean, January

Rainfall 276 mm 28 days with ≥1 mm

Daylight 13 h Sunrise to sunset, per day

January is a hot month in Merauke: daytime highs average 29.5°C and nights cool to about 24.8°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 276 mm of rain on roughly 28 days, which makes January a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 33 min on an average January day.

The nearest other city in this atlas is Jayapura (664 km away). In January its highs average 29.4°C, about as warm as Merauke, with 244 mm of rain.

Among the 200 cities listed in Indonesia, Merauke ranks joint 14th of 200 for the warmest January highs and joint 54th of 200 for the driest January (rainfall, lowest first). The mean January high of those 200 cities is 28.2°C; Merauke is 1.3°C warmer than that mean.

From January to February, average highs fall by 0.3°C to 29.2°C, and monthly rainfall falls from 276 mm to 261 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

Merauke climate table

1991–2020

Monthly climate averages for Merauke, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	29.5°C24.8°C	24.8°C	276	27.8	12.613 h
February	29.2°C24.7°C	24.7°C	261	26.0	12.412 h
March	29.1°C24.5°C	24.5°C	297	27.3	12.212 h
April	29.2°C24.5°C	24.5°C	206	22.4	11.912 h
May	28.8°C24.5°C	24.5°C	106	18.1	11.712 h
June	28.1°C24.1°C	24.1°C	49	12.3	11.612 h
July	27.7°C23.5°C	23.5°C	27	8.4	11.712 h
August	28.1°C23.2°C	23.2°C	27	7.6	11.812 h
September	29.3°C23.7°C	23.7°C	33	7.9	12.112 h
October	30.3°C24.3°C	24.3°C	70	11.6	12.312 h
November	30.8°C25.0°C	25.0°C	106	16.2	12.512 h
December	30.2°C25.0°C	25.0°C	208	25.4	12.613 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 Merauke

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 Merauke) is explained once on the Merauke year overview and on the Sources, method and limits page.