Sampit weather in December

In December, Sampit sees average daytime highs of 31°C and overnight lows near 24°C, with 286 mm of rain across 28.9 wet days and about 12.1 hours of daylight. It is the 9th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 0% of the time in December, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of December to 12 h 06 min by month's end. Set against the rest of the year, December is Sampit's 12th-clearest and 4th-windiest month. For the whole year in context, see Sampit's year-round climate.

Daytime high
31°
9th warmest
Overnight low
24°
7th coldest
Rainfall
286 mm
28.9 wet days
Daylight
12 h 06 min
5:20 AM – 5:29 PM
Cloud cover
95%
12th clearest
Wind
6 km/h
4th windiest
Solar energy
4.44 kWh/m²
Travel score
2.3
out of 10

Sampit is town in Central Kalimantan, Indonesia.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical December day in Sampit reaches about 31°C in the afternoon and slips back to 24°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, December runs on par with November and on par with January.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13224
23224
33124
43124
53124
63124
73124
83124
93124
103124
113124
123124
133124
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124
313124

How December really feels in Sampit

Once humidity and wind are folded in, December averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Sampit weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°26127.712.12.4
Feb32° / 24°23323.912.12.5
Mar32° / 24°29128122.3
Apr32° / 24°29828.511.92.2
May32° / 24°21324.711.92.6
Jun31° / 24°15519.311.93.2
Jul31° / 24°11616.511.93.7
Aug32° / 24°9412.811.93.8
Sep32° / 24°13013.9123.4
Oct32° / 24°25421.712.12.8
Nov32° / 24°31028.212.12.2
Dec31° / 24°28628.912.12.3

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 1% of December, with mostly cloudy or overcast conditions the remaining 99%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1298
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
220100
230100
240100
250100
260100
270100
280100
290100
300100
31199

Chance of precipitation in December

Any precipitation

Sampit gets around 286 mm of rain over 28.9 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 94% and peaks near 96% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
196
296
396
495
595
695
794
894
994
1094
1194
1293
1393
1493
1593
1693
1793
1893
1993
2093
2193
2293
2393
2493
2593
2693
2793
2893
2993
3093
3193

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the miserable band about 59% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13466
23466
33565
43664
53664
63763
73763
83862
93961
103961
114060
124159
134159
144258
154258
164258
174357
184357
194357
204357
214357
224357
234357
244357
254357
264357
274357
284357
294357
304456
314555

Wind in December

Winds average 6 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 12 h 06 min at the start of December to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over December. Sunrise moves from 5:14 AM to 5:27 AM, and sunset from 5:22 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:145:22
212.15:145:22
312.15:155:23
412.15:155:23
512.15:155:24
612.15:165:24
712.15:165:25
812.15:175:25
912.15:175:25
1012.15:175:26
1112.15:185:26
1212.15:185:27
1312.15:195:27
1412.15:195:28
1512.15:205:28
1612.15:205:29
1712.15:205:29
1812.15:215:30
1912.15:215:30
2012.15:225:31
2112.15:225:31
2212.15:235:32
2312.15:235:32
2412.15:245:33
2512.15:245:33
2612.15:255:33
2712.15:255:34
2812.15:265:34
2912.15:265:35
3012.15:275:35
3112.15:275:36

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.44 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.44 kWh/m² to a high of 5.35 kWh/m² in September across the year — December's 4.44 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.4Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in December

Is December a good time to visit Sampit?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.3
Sightseeing
9th-best month of the year
3.5
Beach & pool
11th-best month of the year

December is a weaker month for outdoor sightseeing in Sampit.

What to pack for Sampit in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Sampit sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. About 29 days see rain.

light clothesrain gear

Sea temperature near Sampit in December

The nearest coast averages about 29°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 69 km away) is warmest in April at about 30°C and coldest in August near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar30Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul28Tropical
Aug28Tropical
Sep28Tropical
Oct29Tropical
Nov30Tropical
Dec29Tropical

UV index in Sampit in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Sampit peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 15Jul 12UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov13Extreme
Dec12Extreme

Air quality in Sampit in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Sampit is worst in September — around 94 µg/m³ PM2.5 (unhealthy), about 9.9× the cleanest month (January, 10 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateUnhealthyModerateSep 2192 µg/m³Jan 1710 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb11Good
Mar11Good
Apr11Good
May12Good
Jun12Good
Jul16Moderate
Aug39Poor
Sep94Unhealthy
Oct83Unhealthy
Nov19Moderate
Dec11Good
Location & terrain

Where is Sampit?

Sampit sits at 2.5°S, 112.9°E, 5 m above sea level, in Indonesia. The nearest listed city is Palangkaraya, 113 km away.

Topography around Sampit

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sampit.

Within 3 km, the terrain around Sampit has only modest variations in elevation — a maximum elevation change of 16 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 30 m; within 80 km, only modest variations in elevation — a maximum elevation change of 183 m.

The land around Sampit is covered by artificial surfaces (40%) and trees (33%) within 3 km, trees (68%) within 16 km, and trees (82%) within 80 km.

3 km
16 m
16 km
30 m
80 km
183 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
December weather nearby: Palangkaraya 113 km · Pangkalanbuun 148 km · Kualakapuas 168 km · Banjarmasin 202 km · Manismata 213 km · Banjarbaru 233 km · Martapura 234 km · Amuntai 256 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sampit (-2.5315°, 112.9496°, elevation 5 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).