Sampit climate

Name: Sampit
Address: ID

Sampit is warmest in September, with average highs of 31 °C, and coldest in July, when nights average 23 °C. November is the wettest month (316 mm) and August the driest (99 mm). Figures are 1991–2020 climate normals.

Across a full year Sampit averages 2,695 mm of rain and 365 days above 25 °C.

Indonesia · population 166,773 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month September 31 °C
Coldest month July 23 °C
Driest month August 99 mm
Wettest month November 316 mm
Least cloud August 69 % cloud
Hottest on record October 36 °C
Coldest on record July 19 °C

What to expectSampit through the year

Sampit changes little through the year. Average daily highs stay between 30 and 31 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 365 days a year reach 25 °C, 224 of them reach 30 °C. The warmest reading in the 1991–2020 record is 36 °C, in October.

Rain is strongly seasonal. November averages 316 mm against 99 mm in August — 3.2 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	29.9 °C	266 mm	94 %
February	30.1 °C	244 mm	94 %
March	30.3 °C	297 mm	92 %
April	30.2 °C	308 mm	90 %
May	30.3 °C	210 mm	80 %
June	30.0 °C	159 mm	73 %
July	29.9 °C	119 mm	70 %
August	30.6 °C	99 mm	69 %
September	31.2 °C	135 mm	74 %
October	31.0 °C	251 mm	86 %
November	30.3 °C	316 mm	93 %
December	29.9 °C	293 mm	96 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	29.9 °C	23.5 °C	26.1 °C	32.9 °C	21.9 °C	31	16
February	30.1 °C	23.6 °C	26.3 °C	33.4 °C	21.9 °C	28	17
March	30.3 °C	23.7 °C	26.4 °C	33.6 °C	21.8 °C	31	20
April	30.2 °C	23.8 °C	26.4 °C	32.4 °C	22.4 °C	30	19
May	30.3 °C	24.0 °C	26.6 °C	32.6 °C	20.3 °C	31	21
June	30.0 °C	23.7 °C	26.4 °C	33.1 °C	20.5 °C	30	16
July	29.9 °C	23.3 °C	26.1 °C	33.8 °C	18.9 °C	31	14
August	30.6 °C	23.4 °C	26.5 °C	34.9 °C	19.4 °C	31	20
September	31.2 °C	23.6 °C	26.8 °C	35.5 °C	21.2 °C	30	24
October	31.0 °C	23.6 °C	26.7 °C	35.8 °C	21.5 °C	31	24
November	30.3 °C	23.6 °C	26.2 °C	34.7 °C	22.2 °C	30	19
December	29.9 °C	23.6 °C	26.0 °C	32.8 °C	22.1 °C	31	15

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	266 mm	27	12 h/day	94 %	87 %	10 km/h
February	244 mm	24	12 h/day	94 %	86 %	9.4 km/h
March	297 mm	28	12 h/day	92 %	87 %	9.0 km/h
April	308 mm	29	12 h/day	90 %	88 %	8.3 km/h
May	210 mm	25	12 h/day	80 %	87 %	8.6 km/h
June	159 mm	20	12 h/day	73 %	86 %	9.7 km/h
July	119 mm	16	12 h/day	70 %	83 %	11 km/h
August	99 mm	13	12 h/day	69 %	80 %	13 km/h
September	135 mm	15	12 h/day	74 %	80 %	12 km/h
October	251 mm	21	12 h/day	86 %	83 %	11 km/h
November	316 mm	28	12 h/day	93 %	87 %	9.1 km/h
December	293 mm	29	12 h/day	96 %	88 %	11 km/h

How Sampit compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Sampit	31 °C	23 °C	2,695 mm	365
Palangkaraya · Indonesia	32 °C	23 °C	2,670 mm	365
Banjarmasin · Indonesia	32 °C	23 °C	2,374 mm	365
Banjarbaru · Indonesia	32 °C	23 °C	2,622 mm	365
Balikpapan · Indonesia	29 °C	24 °C	2,499 mm	365
Pontianak · Indonesia	31 °C	23 °C	2,876 mm	365
Loa Janan · Indonesia	31 °C	23 °C	2,917 mm	365

Where Sampit ranks

Ranking	Position	Value
The warmest places in Asia in December	45th of 50	30 °C

Planning a trip? See the best time to visit Sampit.

QuestionsCommon questions about Sampit’s climate

When is the best time to visit Sampit?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, July, December sit closest to 20 °C on average, September is the warmest month and August the driest. The month-by-month table above has the full picture.

How hot does Sampit get?

In September, the warmest month, daily highs average 31 °C. About 224 days a year pass 30 °C. The highest value in the 1991–2020 record is 36 °C.

How cold does it get in winter?

Nights average 23 °C in July, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Sampit?

November, averaging 316 mm over 28 days with rain. The driest month is August with 99 mm. The year as a whole averages 2,695 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Sampit rather than what any particular week will bring. Individual years can differ substantially from the normal.

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
Data point: -2.531°, 112.950° (the coordinates the reanalysis values are taken for)
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: monthly rankings, daylight hours, beach and comfort scores. 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.