Climate averages 1991–2020
Merauke weather
in December.
A hot, very wet month: the 3rd warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a hot month in Merauke: daytime highs average 30.2°C and nights cool to about 25.0°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 208 mm of rain on roughly 25 days, which makes December a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 36 min on an average December day.
The nearest other city in this atlas is Jayapura (664 km away). In December its highs average 29.6°C, 0.6°C cooler than Merauke, with 265 mm of rain.
Among the 200 cities listed in Indonesia, Merauke ranks joint 5th of 200 for the warmest December highs and 8th of 200 for the driest December (rainfall, lowest first). The mean December high of those 200 cities is 28.4°C; Merauke is 1.8°C warmer than that mean.
From December to January, average highs fall by 0.7°C to 29.5°C, and monthly rainfall rises from 208 mm to 276 mm.
The annual picture
December in context
Monthly rainfall
Average total · mmAverages 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
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 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, selected | 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
December in nearby cities
- Jayapura in DecemberIndonesia · 664 kmHigh 29.6°C · Low 24.7°C · 265 mm rain
- Port Moresby in DecemberPapua New Guinea · 749 kmHigh 30.6°C · Low 23.7°C · 170 mm rain
- Nabire in DecemberIndonesia · 788 kmHigh 28.6°C · Low 22.2°C · 288 mm rain
- Tual in DecemberIndonesia · 903 kmHigh 28.0°C · Low 25.8°C · 228 mm rain
- Manokwari in DecemberIndonesia · 1102 kmHigh 27.5°C · Low 23.2°C · 321 mm rain
- Sorong in DecemberIndonesia · 1320 kmHigh 29.2°C · Low 24.3°C · 344 mm rain
- Ambon in DecemberIndonesia · 1453 kmHigh 28.5°C · Low 26.3°C · 157 mm rain
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 limitsHow 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.