Amuntai weather in January

In January, Amuntai sees average daytime highs of 31°C and overnight lows near 24°C, with 237 mm of rain across 28.5 wet days and about 12.1 hours of daylight. It is the 12th-warmest and 5th-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 1% of the time in January, and the air most often feels miserable.

Daylight stretches from about 12 h 06 min at the start of January to 12 h 06 min by month's end. Set against the rest of the year, January is Amuntai's 11th-clearest and 4th-windiest month. For the whole year in context, see Amuntai's year-round climate.

Daytime high
31°
12th warmest
Overnight low
24°
5th coldest
Rainfall
237 mm
28.5 wet days
Daylight
12 h 06 min
6:25 AM – 6:32 PM
Cloud cover
94%
11th clearest
Wind
4 km/h
4th windiest
Solar energy
4.53 kWh/m²
Travel score
2.5
out of 10

Amuntai is city in Indonesia.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

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

A typical January day in Amuntai 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, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13124
23124
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 January really feels in Amuntai

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Amuntai weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°23728.512.12.5
Feb31° / 24°20724.612.12.5
Mar31° / 24°26128.2122.4
Apr31° / 24°2532811.92.4
May32° / 24°1992511.92.7
Jun31° / 24°15719.911.93.2
Jul31° / 23°12717.411.93.5
Aug32° / 23°8613.611.93.4
Sep33° / 23°9914.2123.0
Oct33° / 24°16720.212.12.7
Nov32° / 24°27128.112.12.3
Dec31° / 24°27729.412.12.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 2% of January, with mostly cloudy or overcast conditions the remaining 97%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1199
2298
3298
4298
5298
6298
7298
8298
9397
10397
11397
12397
13397
14397
15397
16397
17397
18397
19397
20397
21397
22397
23397
24397
25397
26397
27397
28397
29397
30397
31298

Chance of precipitation in January

Any precipitation

Amuntai gets around 237 mm of rain over 28.5 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 92% and peaks near 97% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
197
297
397
497
597
696
796
896
996
1095
1195
1294
1394
1493
1593
1692
1791
1891
1990
2090
2189
2289
2388
2488
2587
2687
2787
2887
2987
3086
3186

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the miserable band about 60% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
13664
23664
33763
43862
53862
63961
74060
84159
94159
104258
114258
124258
134258
144258
154258
164258
174258
184159
194159
204060
214060
223961
233961
243961
253961
263961
273961
283961
293961
303961
313961

Wind in January

Winds average 4 km/h in January.

Across January, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 06 min at the start of January 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 January. Sunrise moves from 6:18 AM to 6:29 AM, and sunset from 6:26 PM to 6:35 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:186:26
212.16:186:27
312.16:196:27
412.16:196:28
512.16:206:28
612.16:206:28
712.16:216:29
812.16:216:29
912.16:226:30
1012.16:226:30
1112.16:236:30
1212.16:236:31
1312.16:236:31
1412.16:246:31
1512.16:246:32
1612.16:256:32
1712.16:256:32
1812.16:256:33
1912.16:266:33
2012.16:266:33
2112.16:266:34
2212.16:276:34
2312.16:276:34
2412.16:276:34
2512.16:286:34
2612.16:286:35
2712.16:286:35
2812.16:286:35
2912.16:296:35
3012.16:296:35
3112.16:296:35

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.53 kWh/m².

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 5.53 kWh/m² in September across the year — January's 4.53 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.3Bright
44.3Bright
54.4Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
314.6Bright
Planning a trip in January

Is January a good time to visit Amuntai?

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

2.5
Sightseeing
7th-best month of the year
3.7
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in Amuntai.

What to pack for Amuntai in January

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

In January, Amuntai sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

UV index in Amuntai in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Amuntai peaks around February 19 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 19UV 15Jul 12UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Amuntai in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Amuntai is worst in September — around 93 µg/m³ PM2.5 (unhealthy), about 5.3× the cleanest month (January, 18 µg/m³).

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

0306090120JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyModerateSep 2292 µg/m³Jan 1518 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb18Moderate
Mar22Moderate
Apr21Moderate
May23Moderate
Jun23Moderate
Jul30Moderate
Aug49Poor
Sep93Unhealthy
Oct87Unhealthy
Nov28Moderate
Dec18Moderate
Location & terrain

Where is Amuntai?

Amuntai sits at 2.4°S, 115.2°E, 10 m above sea level, in Indonesia. The nearest listed city is Barabai, 24 km away.

Topography around Amuntai

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

Within 3 km, the terrain around Amuntai has only modest variations in elevation — a maximum elevation change of 18 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 35 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,962 m.

The land around Amuntai is covered by trees (37%) within 3 km, trees (45%) and grassland (21%) within 16 km, and trees (78%) within 80 km.

3 km
18 m
16 km
35 m
80 km
1,962 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
January weather nearby: Barabai 24 km · Tanjung 33 km · Kualakapuas 116 km · Martapura 118 km · Banjarbaru 123 km · Banjarmasin 124 km · Palangkaraya 150 km · Muara Teweh 168 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 Amuntai (-2.4177°, 115.2494°, elevation 10 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. 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).