South Kalimantan weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for South Kalimantan, Indonesia. Like most weather services, we show South Kalimantan at one spot: Banjarmasin, its largest city. At 7:45 AM local time it was cloudy and 26°C (79°F). Light rain for 4 of the next 24 hours (under 1 mm/h, 0.7 mm total) — cloudy, but fine to be out. Best months for weather: Jul–Sep.
Current conditions
- Clouds
- 100%
- Chance of rain
- 2%
- Rain
- 0.0 mm/h
Hourly Forecast
Light rain for 4 of the next 24 hours (under 1 mm/h, 0.7 mm total) — cloudy, but fine to be out
Daily Forecast
Best Time to Visit
Peak season Jul–SepOff season Nov–Apr
About Banjarmasin weather
Is it raining in Banjarmasin right now?
No. It’s cloudy and 26° right now. Light rain for 4 of the next 24 hours (under 1 mm/h, 0.7 mm total) — cloudy, but fine to be out.
What’s the weather like in Banjarmasin this week?
Over the next 7 days, expect highs of 32–35° and lows of 23–25°. Rain is likely on 7 of 7 days (Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday). The driest day looks like Sunday.
Has it been raining in Banjarmasin lately?
In the past 7 days, Banjarmasin had 6 rainy days and 50.8 mm of rain in total.
What should I pack for Banjarmasin?
For the coming week, bring an umbrella or rain jacket, light, breathable clothes and sunscreen.
South Kalimantan weather by month
When is the best time to visit South Kalimantan?
Based on weather alone, the best time to visit South Kalimantan is Jul–Sep, according to NASA's 2001–2025 climate averages. Nov–Apr tends to be the least pleasant. Average highs run from 28°C (83°F) in January to 31°C (87°F) in October.
What is the rainiest month in South Kalimantan?
December is the wettest month, with about 412 mm (16.2 in) of rain on average. August is the driest, with about 77 mm (3.0 in).
What is the hottest month in South Kalimantan?
October is the warmest, with average highs of 31°C (87°F) and lows of 26°C (79°F). January is the coolest, with highs of 28°C (83°F) and lows of 26°C (79°F).
How warm is the sea in South Kalimantan?
The sea is warmest in April at about 31°C (89°F) and coolest in August at about 29°C (85°F). It is warm enough for swimming all year.
South Kalimantan weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Banjarmasin), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in South Kalimantan
Weather can differ a lot within South Kalimantan: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Banjarmasin | Jul–Sep | Nov–Jun | 28–31°C | 2,788 mm |
| Banjarbaru | Jul–Sep | Nov–Jun | 29–32°C | 2,633 mm |
| Martapura | Jul–Sep | Nov–Jun | 29–32°C | 2,633 mm |
| Barabai | Aug–Oct | Nov–Jul | 27–29°C | 2,627 mm |
| Amuntai | Jul–Sep | Oct–Jun | 29–31°C | 2,718 mm |
| Tanjung | Aug–Sep | Oct–Jul | 28–29°C | 2,754 mm |