, 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.
The city is located in Indonesia, in a bay on the east coast of Borneo, in the province of East Kalimantan, one degree south latitude and 90 km (55 mi) southwest of Samarinda.
Being close to the equator, Balikpapan is not affected by tropical cyclones.
. Here are the average temperatures.
January is generally a very hot, muggy month. The average temperature is of
27.6 °C, with a minimum of
24 °C and a maximum of
31.2 °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
240 mm, distributed over 16 days.
The day lasts on average 12 hours and 10 minutes.

There are on average 4 hours of sunshine per day. So, the sun shines 33% of the time.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is of
9.1 kph.

The average sea temperature is of
28.9 °C. Therefore, the sea is pleasantly warm and allows long swims.
February is generally a very hot, muggy month. The average temperature is of
27.7 °C, with a minimum of
24 °C and a maximum of
31.4 °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 °C.

Precipitation amounts to
215 mm, distributed over 14 days.
The day lasts on average 12 hours and 10 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
10.2 kph.

The average sea temperature is of
28.7 °C. Therefore, the sea is pleasantly warm and allows long swims.
March is generally a very hot, muggy month. The average temperature is of
27.7 °C, with a minimum of
24.2 °C and a maximum of
31.3 °C.

On the coldest nights of the month, the temperature usually drops to around
21 °C.

On the warmest days of the month, the temperature usually reaches around
34.5 °C.

Precipitation amounts to
230 mm, distributed over 16 days.
The day lasts on average 12 hours and 5 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 50% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
9.4 kph.

The average sea temperature is of
28.8 °C. Therefore, the sea is pleasantly warm and allows long swims.
April is generally a very hot, muggy month. The average temperature is of
27.8 °C, with a minimum of
24.5 °C and a maximum of
31.2 °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
33.5 °C.

Precipitation amounts to
195 mm, distributed over 14 days.
The day lasts on average 12 hours and 5 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is of
8.7 kph.

The average sea temperature is of
29.3 °C. Therefore, the sea is pleasantly warm and allows long swims.
May, the hottest month of the year, is generally a very hot, muggy month. The average temperature is of
28 °C, with a minimum of
24.8 °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
215 mm, distributed over 14 days.
The day lasts on average 12 hours and 5 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is of
9 kph.

The average sea temperature is of
29.5 °C. Therefore, the sea is pleasantly warm and allows long swims.
June is generally a warm to hot, muggy month. The average temperature is of
27.5 °C, with a minimum of
24.5 °C and a maximum of
30.5 °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
32.5 °C.

Precipitation amounts to
145 mm, distributed over 13 days.
The day lasts on average 12 hours and 5 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is of
9.8 kph.

The average sea temperature is of
29.4 °C. Therefore, the sea is pleasantly warm and allows long swims.
July, the least warm month of the year, is generally a warm to hot, muggy month. The average temperature is of
27.3 °C, with a minimum of
24.4 °C and a maximum of
30.2 °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
33 °C.

Precipitation amounts to
120 mm, distributed over 12 days.
The day lasts on average 12 hours and 5 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is of
11.5 kph.

The average sea temperature is of
29 °C. Therefore, the sea is pleasantly warm and allows long swims.
August is generally a warm to hot, muggy month. The average temperature is of
27.5 °C, with a minimum of
24.6 °C and a maximum of
30.4 °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
32.5 °C.

Precipitation amounts to
135 mm, distributed over 12 days.
The day lasts on average 12 hours and 5 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
13 kph.

The average sea temperature is of
28.7 °C. Therefore, the sea is pleasantly warm and allows long swims.
September is generally a very hot, muggy month. The average temperature is of
27.8 °C, with a minimum of
24.8 °C and a maximum of
30.8 °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
33 °C.

Precipitation amounts to
115 mm, distributed over 10 days.
The day lasts on average 12 hours and 5 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
12.2 kph.

The average sea temperature is of
28.9 °C. Therefore, the sea is pleasantly warm and allows long swims.
October is generally a very hot, muggy month. The average temperature is of
28 °C, with a minimum of
24.8 °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
140 mm, distributed over 11 days.
The day lasts on average 12 hours and 5 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
9.8 kph.

The average sea temperature is of
29.2 °C. Therefore, the sea is pleasantly warm and allows long swims.
November is generally a very hot, muggy month. The average temperature is of
27.9 °C, with a minimum of
24.4 °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
175 mm, distributed over 14 days.
The day lasts on average 12 hours and 10 minutes.

There are on average 7 hours of sunshine per day. So, the sun shines 58% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
8.2 kph.

The average sea temperature is of
29.3 °C. Therefore, the sea is pleasantly warm and allows long swims.
December is generally a very hot, muggy month. The average temperature is of
27.7 °C, with a minimum of
24.2 °C and a maximum of
31.3 °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
200 mm, distributed over 17 days.
The day lasts on average 12 hours and 10 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
8.4 kph.

The average sea temperature is of
29.1 °C. Therefore, the sea is pleasantly warm and allows long swims.