Banjarmasin in Winter
In winter (June, July and August), Banjarmasin sees average daytime highs around 31°C and overnight lows near 24°C, with 254 mm of rain over about 41 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Across winter, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 19% of the time across winter, and the air most often feels oppressive.
Winter is Banjarmasin's best season of the year 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
- 31°C
- 3rd-warmest season
- Avg overnight low
- 24°C
- Rainfall
- 254 mm
- 41 wet days
- Avg wind
- 8 km/h
- Travel score
- 3.9
- best season of the year
- Months
- Jun · Jul · Aug
Temperature in Banjarmasin in Winter
Across winter, daytime highs hold fairly steady around 31°C.
A typical winter day in Banjarmasin reaches about 31°C and drops to 24°C overnight. The warmest of the three months is August, the coolest July.
How winter really feels in Banjarmasin
Once humidity and wind are folded in, winter brings about 92 days that feel above 32°C and 0 that feel at or below 0°C.
The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Banjarmasin weather by month
How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 24° | 289 | 28.7 | 12.2 | 2.5 |
| Feb | 31° / 25° | 246 | 24.8 | 12.1 | 2.6 |
| Mar | 31° / 25° | 277 | 28.2 | 12 | 2.5 |
| Apr | 31° / 25° | 236 | 27.3 | 11.9 | 2.4 |
| May | 31° / 25° | 149 | 22.5 | 11.9 | 3.0 |
| Jun | 31° / 24° | 113 | 17.5 | 11.8 | 3.6 |
| Jul | 31° / 24° | 89 | 14.5 | 11.8 | 4.0 |
| Aug | 32° / 24° | 52 | 9.3 | 11.9 | 4.2 |
| Sep | 32° / 24° | 69 | 10.6 | 12 | 3.7 |
| Oct | 32° / 24° | 152 | 18.2 | 12.1 | 3.1 |
| Nov | 31° / 25° | 254 | 27.6 | 12.2 | 2.4 |
| Dec | 31° / 24° | 328 | 29.5 | 12.2 | 2.4 |
Cloud cover in Winter
The sky is clear or mostly clear about 19% of the time across winter.
Chance of precipitation in Winter
Banjarmasin gets around 254 mm of rain over 41 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 8 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 48 min in early June to 11 h 54 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.9 kWh/m².
Hazard calendar for Banjarmasin
None of Banjarmasin's seasonal hazards peak in winter. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do.
Banjarmasin's rainy season runs October–May, when most of the year's rain falls.
Is winter a good time to visit Banjarmasin?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Banjarmasin.
What to pack for Banjarmasin in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Banjarmasin sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 41 days see rain.
Sea temperature near Banjarmasin in Winter
The nearest coast averages about 29°C across winter — 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 29 | 29 | 30 | 30 | 30 | 29 | 28 | 28 | 28 | 29 | 30 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 30 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 29 | Tropical |
| Jul | 28 | Tropical |
| Aug | 28 | Tropical |
| Sep | 28 | Tropical |
| Oct | 29 | Tropical |
| Nov | 30 | Tropical |
| Dec | 29 | Tropical |
UV index in Banjarmasin in Winter
Clear-sky midday UV across winter averages around 11 (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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 15 | 14 | 14 | 12 | 10 | 10 | 12 | 13 | 12 | 13 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Extreme |
| Aug | 12 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 13 | Extreme |
| Dec | 13 | Extreme |
Air quality in Banjarmasin in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 20 | 23 | 26 | 27 | 28 | 28 | 28 | 39 | 89 | 82 | 44 | 22 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Unhealthy | Unhealthy | Poor | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 23 | Moderate |
| Mar | 26 | Moderate |
| Apr | 27 | Moderate |
| May | 28 | Moderate |
| Jun | 28 | Moderate |
| Jul | 28 | Moderate |
| Aug | 39 | Poor |
| Sep | 89 | Unhealthy |
| Oct | 82 | Unhealthy |
| Nov | 44 | Poor |
| Dec | 22 | Moderate |
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.
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
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.