Banjarmasin in Spring

In spring (September, October and November), Banjarmasin sees average daytime highs around 32°C and overnight lows near 24°C, with 475 mm of rain over about 56 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.

Across spring, daytime highs hold fairly steady around 32°C. The sky is clear or mostly clear about 10% of the time across spring, and the air most often feels oppressive.

Spring is Banjarmasin's 2nd-best season to visit on our travel score. Banjarmasin has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Banjarmasin's year-round climate.

Avg daytime high
32°C
warmest season of the year
Avg overnight low
24°C
Rainfall
475 mm
56 wet days
Avg wind
7 km/h
Travel score
3.1
2nd-best season
Months
Sep · Oct · Nov

Temperature in Banjarmasin in Spring

Average highAverage lowShaded bands: 10–90% of days

Across spring, daytime highs hold fairly steady around 32°C.

A typical spring day in Banjarmasin reaches about 32°C and drops to 24°C overnight. The warmest of the three months is September, the coolest September.

20°25°30°35°SepOctNov

How spring really feels in Banjarmasin

Once humidity and wind are folded in, spring brings about 91 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
91
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Banjarmasin weather by month

How the three spring months (September, October and November) 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°28928.712.22.5
Feb31° / 25°24624.812.12.6
Mar31° / 25°27728.2122.5
Apr31° / 25°23627.311.92.4
May31° / 25°14922.511.93.0
Jun31° / 24°11317.511.83.6
Jul31° / 24°8914.511.84.0
Aug32° / 24°529.311.94.2
Sep32° / 24°6910.6123.7
Oct32° / 24°15218.212.13.1
Nov31° / 25°25427.612.22.4
Dec31° / 24°32829.512.22.4

Cloud cover in Spring

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time across spring.

0%25%50%75%100%SepOctNov

Chance of precipitation in Spring

Any precipitation

Banjarmasin gets around 475 mm of rain over 56 wet days across spring. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%100%SepOctNov

Humidity in Spring

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%SepOctNov

Wind in Spring

Winds average 7 km/h across spring.

051015SepOctNov

Sunrise & sunset in Spring

DaylightNight

Daylight runs from about 11 h 54 min in early September to 12 h 12 min by late November. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMSepOctNov

Solar energy in Spring

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across spring, about 5.2 kWh/m².

0246SepOctNov
Planning a trip in spring

Hazard calendar for Banjarmasin

In seasonPeak

In spring, Banjarmasin overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

Banjarmasin's rainy season runs October–May, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is spring a good time to visit Banjarmasin?

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

3.1
Sightseeing
2nd-best month of the year
4.9
Beach & pool
2nd-best month of the year

spring is a weaker month for outdoor sightseeing in Banjarmasin.

What to pack for Banjarmasin in Spring

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

In spring, Banjarmasin sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 56 days see rain.

light clothesrain gearsun protection

Sea temperature near Banjarmasin in Spring

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

The sea at the nearest coast (about 34 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 Banjarmasin in Spring

LowModerateHighVery highExtreme

Clear-sky midday UV across spring averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Banjarmasin peaks around February 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 15Jun 23UV 10
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul10Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov13Extreme
Dec13Extreme

Air quality in Banjarmasin in Spring

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Banjarmasin is worst in September — around 89 µg/m³ PM2.5 (unhealthy), about 4.4× the cleanest month (January, 20 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateSep 2287 µg/m³Jan 1520 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb23Moderate
Mar26Moderate
Apr27Moderate
May28Moderate
Jun28Moderate
Jul28Moderate
Aug39Poor
Sep89Unhealthy
Oct82Unhealthy
Nov44Poor
Dec22Moderate
Location & terrain

Where is Banjarmasin?

Banjarmasin sits at 3.3°S, 114.6°E, 8 m above sea level, in Indonesia. The nearest listed city is Banjarbaru, 30 km away.

Topography around Banjarmasin

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

Within 3 km, the terrain around Banjarmasin has only modest variations in elevation — a maximum elevation change of 16 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 16 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,313 m.

The land around Banjarmasin is covered by artificial surfaces (76%) within 3 km, cropland (42%) and trees (26%) within 16 km, and trees (49%) and water (20%) within 80 km.

3 km
16 m
16 km
16 m
80 km
1,313 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
Spring weather nearby: Banjarbaru 30 km · Martapura 32 km · Kualakapuas 41 km · Barabai 120 km · Amuntai 124 km · Palangkaraya 145 km · Tanjung 157 km · Sampit 202 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 Banjarmasin (-3.3199°, 114.5907°, elevation 8 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.