Amuntai in Summer

In summer (December, January and February), Amuntai sees average daytime highs around 31°C and overnight lows near 24°C, with 721 mm of rain over about 83 wet days across the season. It is the coldest season of the year and the wettest season of the year.

Across summer, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 1% of the time across summer, and the air most often feels miserable.

Summer is Amuntai's weakest season of the year to visit on our travel score. For the whole year in context, see Amuntai's year-round climate.

Avg daytime high
31°C
coldest season of the year
Avg overnight low
24°C
Rainfall
721 mm
83 wet days
Avg wind
4 km/h
Travel score
2.4
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Amuntai in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 31°C.

A typical summer day in Amuntai reaches about 31°C and drops to 24°C overnight. The warmest of the three months is February, the coolest January.

20°25°30°35°DecJanFeb

How summer really feels in Amuntai

Once humidity and wind are folded in, summer brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
90
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Amuntai weather by month

How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.

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 Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Amuntai gets around 721 mm of rain over 83 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 4 km/h across summer.

0246810DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 12 h 06 min in early December to 12 h 06 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 4.5 kWh/m².

024DecJanFeb
Planning a trip in summer

Is summer a good time to visit Amuntai?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

2.4
Sightseeing
4th-best month of the year
3.7
Beach & pool
4th-best month of the year

summer is a weaker month for outdoor sightseeing in Amuntai.

What to pack for Amuntai in Summer

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

In summer, Amuntai sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 83 days see rain.

light clothesrain gearsun protection

UV index in Amuntai in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages 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 Summer

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where summer 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
Summer 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.