Makassar weather in December

In December, Makassar has daytime highs averaging 27 °C, nights around 24 °C, with 29 wet days, and a sea temperature of 30 °C. Figures are 1991–2020 climate normals.

  1. Jan 26°
  2. Feb 26°
  3. Mar 26°
  4. Apr 26°
  5. May 27°
  6. Jun 26°
  7. Jul 26°
  8. Aug 26°
  9. Sep 27°
  10. Oct 27°
  11. Nov 27°
  12. Dec 26°

Daily temperatures through December

22°27°31°18152229
Daily highDaily low Day of month on the horizontal axis. Highs peak at 28.0 °C and lows bottom out at 24.2 °C.

How December develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

DaysAvg highAvg lowChance of rain
1–10 December27.8 °C24.5 °C95 %
11–20 December27.5 °C24.4 °C95 %
21–31 December27.2 °C24.3 °C95 %
0%50%100%151015202530
Chance of a wet day (over 1 mm) by date in December. Wettest date over the 30 years: December 9, at 100 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical December Share of the month
Days above 25 °C 30 of 31 97 %
Days above 30 °C 1.1 of 31 3 %
Days below 0 °C 0 of 31 0 %
Days with more than 1 mm rain 29 of 31 95 %

Conditions in December

MeasureAverage
Mean temperature 26 °C
Record high (1991–2020) 32 °C
Record low (1991–2020) 23 °C
Relative humidity 88 %
Wind speed 13 km/h
Cloud cover 92 %

Where Makassar ranks in December

RankingPositionValue
Warmest sea temperatures in Asia in December8thof 5030 °C
Warmest sea temperatures in the world in December11thof 5030 °C

December compared with the months around it

Month Avg high Rainfall Cloud
January 27.2 °C 457 mm 93 %
February 27.3 °C 351 mm 92 %
October 30.1 °C 156 mm 62 %
November 28.7 °C 249 mm 79 %
December 27.5 °C 438 mm 92 %

See all twelve months for Makassar

Nearby destinations in December

Destination Avg high Wet days Sea
Makassar 27 °C 29 30
Parepare 29 °C 29 30
Palopo 29 °C 29 30
Baubau 29 °C 29 30
Kendari 30 °C 29 30
Labuan Bajo 28 °C 27 29
Bima 30 °C 27
Balikpapan 28 °C 29 29
Mataram 29 °C 27 29

QuestionsDecember in Makassar, answered

How warm is Makassar in December?

Daily highs average 27 °C and nights fall to about 24 °C, a spread of 3.1 °C between afternoon and dawn. That makes December the 10th warmest month of the year here.

Does it rain much in Makassar in December?

December averages 438 mm of rain, spread over about 29 of the 31 days — 95 % of the month. Cloud cover averages 92 % of the sky.

Is the sea warm enough to swim in December?

The sea averages 30 °C off Makassar in December. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in December?

Makassar averages 12 hours between sunrise and sunset in December. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.