, hot, humid and rainy all year round, although the rains are more frequent and abundant from December to March and less from June to October, when the south-east monsoon blows, which is dry on the Sunda islands, but here it brings rainfall because it is charged with humidity as it passes over the Java Sea.
The city is located in Indonesia, in the province of South Kalimantan, at the confluence of the Barito and Martapura rivers, at 3 degrees south latitude and 20 km (12 mi) away from the southern coast of Borneo.
Compared to the rest of Borneo, where the temperatures are very stable, here they vary a little more, in particular, they decrease slightly during the southeast monsoon period, especially at night, and increase at the end of the period, in September and October, when they reach the highest levels of the year.
Being close to the equator, Banjarmasin is not affected by tropical cyclones.
. Here are the average temperatures.
January, the least warm month of the year, is generally a warm to hot, muggy month. The average temperature is of
27.4 °C, with a minimum of
23.8 °C and a maximum of
31.2 °C.
On the coldest nights of the month, the temperature usually drops to around
22 °C.
On the warmest days of the month, the temperature usually reaches around
34 °C.
Precipitation amounts to
335 mm, distributed over 19 days.
The day lasts on average 12 hours and 20 minutes.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
6.1 kph.
The average sea temperature is of
29.1 °C. Therefore, the sea is pleasantly warm and allows long swims.
February is generally a very hot, muggy month. The average temperature is of
27.6 °C, with a minimum of
23.8 °C and a maximum of
31.4 °C.
On the coldest nights of the month, the temperature usually drops to around
21.5 °C.
On the warmest days of the month, the temperature usually reaches around
34 °C.
Precipitation amounts to
300 mm, distributed over 16 days.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
5.7 kph.
The average sea temperature is of
29 °C. Therefore, the sea is pleasantly warm and allows long swims.
March is generally a very hot, muggy month. The average temperature is of
27.9 °C, with a minimum of
24 °C and a maximum of
31.7 °C.
On the coldest nights of the month, the temperature usually drops to around
22 °C.
On the warmest days of the month, the temperature usually reaches around
34 °C.
Precipitation amounts to
295 mm, distributed over 17 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
5.8 kph.
The average sea temperature is of
29.4 °C. Therefore, the sea is pleasantly warm and allows long swims.
April is generally a very hot, muggy month. The average temperature is of
28.3 °C, with a minimum of
24.2 °C and a maximum of
32.3 °C.
On the coldest nights of the month, the temperature usually drops to around
22.5 °C.
On the warmest days of the month, the temperature usually reaches around
34.5 °C.
Precipitation amounts to
220 mm, distributed over 14 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
5.5 kph.
The average sea temperature is of
29.9 °C. Therefore, the sea is pleasantly warm and allows long swims.
May is generally a very hot, muggy month. The average temperature is of
28.5 °C, with a minimum of
24.2 °C and a maximum of
32.8 °C.
On the coldest nights of the month, the temperature usually drops to around
21.5 °C.
On the warmest days of the month, the temperature usually reaches around
35 °C.
Precipitation amounts to
195 mm, distributed over 12 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
5.2 kph.
The average sea temperature is of
29.7 °C. Therefore, the sea is pleasantly warm and allows long swims.
June is generally a very hot, muggy month. The average temperature is of
28 °C, with a minimum of
23.6 °C and a maximum of
32.4 °C.
On the coldest nights of the month, the temperature usually drops to around
22 °C.
On the warmest days of the month, the temperature usually reaches around
34.5 °C.
Precipitation amounts to
125 mm, distributed over 10 days.
The day lasts on average 11 hours and 55 minutes.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of
5.1 kph.
The average sea temperature is of
29 °C. Therefore, the sea is pleasantly warm and allows long swims.
July is generally a warm to hot, muggy month. The average temperature is of
27.5 °C, with a minimum of
22.8 °C and a maximum of
32.1 °C.
On the coldest nights of the month, the temperature usually drops to around
20.5 °C.
On the warmest days of the month, the temperature usually reaches around
34.5 °C.
Precipitation amounts to
110 mm, distributed over 8 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is of
5.1 kph.
The average sea temperature is of
28.2 °C. Therefore, the sea is pleasantly warm and allows long swims.
August is generally a very hot, muggy month. The average temperature is of
27.7 °C, with a minimum of
22.4 °C and a maximum of
33.1 °C.
On the coldest nights of the month, the temperature usually drops to around
20 °C.
On the warmest days of the month, the temperature usually reaches around
35 °C.
Precipitation amounts to
90 mm, distributed over 8 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 73%. Hence, the air is normally humid.
The average wind speed is of
5.9 kph.
The average sea temperature is of
27.8 °C. Therefore, the sea is pleasantly warm and allows long swims.
September is generally a very hot, muggy month. The average temperature is of
28.2 °C, with a minimum of
22.6 °C and a maximum of
33.8 °C.
On the coldest nights of the month, the temperature usually drops to around
20.5 °C.
On the warmest days of the month, the temperature usually reaches around
35.5 °C.
Precipitation amounts to
115 mm, distributed over 7 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is of
6.5 kph.
The average sea temperature is of
28.1 °C. Therefore, the sea is pleasantly warm and allows long swims.
October, the hottest month of the year, is generally a very hot, muggy month. The average temperature is of
28.5 °C, with a minimum of
23.3 °C and a maximum of
33.7 °C.
On the coldest nights of the month, the temperature usually drops to around
21.5 °C.
On the warmest days of the month, the temperature usually reaches around
36.5 °C.
Precipitation amounts to
130 mm, distributed over 9 days.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is of
6.1 kph.
The average sea temperature is of
28.8 °C. Therefore, the sea is pleasantly warm and allows long swims.
November is generally a very hot, muggy month. The average temperature is of
28.2 °C, with a minimum of
23.7 °C and a maximum of
32.7 °C.
On the coldest nights of the month, the temperature usually drops to around
22 °C.
On the warmest days of the month, the temperature usually reaches around
35.5 °C.
Precipitation amounts to
230 mm, distributed over 13 days.
The day lasts on average 12 hours and 20 minutes.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
5.9 kph.
The average sea temperature is of
29.5 °C. Therefore, the sea is pleasantly warm and allows long swims.
December is generally a warm to hot, muggy month. The average temperature is of
27.5 °C, with a minimum of
23.7 °C and a maximum of
31.3 °C.
On the coldest nights of the month, the temperature usually drops to around
22 °C.
On the warmest days of the month, the temperature usually reaches around
34.5 °C.
Precipitation amounts to
315 mm, distributed over 18 days.
The day lasts on average 12 hours and 20 minutes.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
6 kph.
The average sea temperature is of
29.4 °C. Therefore, the sea is pleasantly warm and allows long swims.