Makassar weather in January

Name: Makassar
Address: ID

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

27.2°C Average high
24.2°C Average low
29days Wet days
457mm Rainfall
29.0°C Sea temperature
12h Daylight

Daily temperatures through January

Daily highDaily low Day of month on the horizontal axis. Highs peak at 27.7 °C and lows bottom out at 24.1 °C.

How January 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.

Days	Avg high	Avg low	Chance of rain
1–10 January	27.0 °C	24.2 °C	97 %
11–20 January	27.2 °C	24.2 °C	96 %
21–31 January	27.3 °C	24.2 °C	92 %

Chance of a wet day (over 1 mm) by date in January. Wettest date over the 30 years: January 1, at 100 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure	Typical January	Share of the month
Days above 25 °C	29 of 31	94 %
Days above 30 °C	0.5 of 31	2 %
Days below 0 °C	0 of 31	0 %
Days with more than 1 mm rain	29 of 31	95 %

Conditions in January

Measure	Average
Mean temperature	26 °C
Record high (1991–2020)	31 °C
Record low (1991–2020)	23 °C
Relative humidity	89 %
Wind speed	14 km/h
Cloud cover	93 %

Where Makassar ranks in January

Ranking	Position	Value
Warmest sea temperatures in Asia in January	19thof 50	29 °C
Warmest sea temperatures in the world in January	27thof 50	29 °C

January 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 %
March	27.8 °C	282 mm	86 %
November	28.7 °C	249 mm	79 %
December	27.5 °C	438 mm	92 %

See all twelve months for Makassar

January is the 12th warmest month here.
It is the 12th driest month of the year.
It ranks 12th for least cloud cover.
Days last about 12 hours from sunrise to sunset.
It rains on 29 of 31 days — 95 % of the month.
Nights are about 3.0 °C cooler than the middle of the day.
The hottest January day on record since 1991 reached 31 °C, 3.7 °C above the usual daytime high.
Beach score: 70 / 100 — see how this is calculated.

Nearby destinations in January

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

QuestionsJanuary in Makassar, answered

How warm is Makassar in January?

Daily highs average 27 °C and nights fall to about 24 °C, a spread of 3.0 °C between afternoon and dawn. That makes January the 12th warmest month of the year here.

Does it rain much in Makassar in January?

January averages 457 mm of rain, spread over about 29 of the 31 days — 95 % of the month. Cloud cover averages 93 % of the sky.

Is the sea warm enough to swim in January?

The sea averages 29 °C off Makassar in January. 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 January?

Makassar averages 12 hours between sunrise and sunset in January. 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

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

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.