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Average weather, temperature, rainfall, sunshine hours

The climate of Samarinda, the most populous city in Borneo, is
equatorial, hot, humid and rainy all year round, although the rains are more frequent and abundant from December to March and less from June in October.
The city is located in Indonesia, about 40 km (25 mi) from the east coast of Borneo, in the province of East Kalimantan, on the banks of the Mahakam River, which then widens into a delta and flows into the Makassar Strait.
Being at the equator, Samarinda is not affected by tropical cyclones.
Samarinda - Climate data
In Samarinda, the
average temperature of the coldest month (July) is of
27.7 °C, that of the warmest month (March) is of
28.5 °C. Here are the average temperatures.
Samarinda - Average temperatures (1991-2020) |
Month | Min | Max | Mean |
---|
January | 23.9 | 32 | 28 |
---|
February | 23.9 | 32.5 | 28.2 |
---|
March | 24.3 | 32.8 | 28.5 |
---|
April | 24.2 | 32.6 | 28.4 |
---|
May | 24.4 | 32.4 | 28.4 |
---|
June | 24.1 | 31.9 | 28 |
---|
July | 23.7 | 31.6 | 27.7 |
---|
August | 23.8 | 32 | 27.9 |
---|
September | 24 | 32.4 | 28.2 |
---|
October | 24.1 | 32.5 | 28.3 |
---|
November | 24.4 | 32.4 | 28.4 |
---|
December | 24 | 32.2 | 28.1 |
---|
Year | 24.1 | 32.3 | 28.1 |
---|
Precipitation amounts to
2115 millimeters per year: it is therefore abundant. It ranges from
115 millimeters in the driest month (September) to
240 millimeters in the wettest one (January). Here is the average precipitation.
Samarinda - Average precipitationMonth | Days |
---|
January | 240 | 16 |
---|
February | 215 | 14 |
---|
March | 230 | 16 |
---|
April | 195 | 14 |
---|
May | 215 | 14 |
---|
June | 145 | 13 |
---|
July | 120 | 12 |
---|
August | 135 | 12 |
---|
September | 115 | 10 |
---|
October | 140 | 11 |
---|
November | 175 | 14 |
---|
December | 200 | 17 |
---|
Year | 2115 | 163 |
---|
The
sea temperature ranges from
28.5 °C in February, August to
29.5 °C in April, May, June, November. Here are the average sea temperatures.
Samarinda - Sea temperatureMonth |
---|
January | 2929 |
---|
February | 28.5 |
---|
March | 29 |
---|
April | 29.5 |
---|
May | 29.5 |
---|
June | 29.5 |
---|
July | 29 |
---|
August | 28.5 |
---|
September | 29 |
---|
October | 29 |
---|
November | 29.5"> |
---|
December | 29 |
---|
Year | 29.1 |
---|
Samarinda - Weather by month
Based on the period 1991-2020
January is generally a very hot, muggy month. The average temperature is of
28 °C, with a minimum of
23.9 °C and a maximum of
32 °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
34.5 °C.

Precipitation amounts to
240 mm, distributed over 16 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
5 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 28.2 °C, with a minimum of 23.9 °C and a maximum of 32.5 °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 °C.
Precipitation amounts to 215 mm, distributed over 14 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is of 5.8 kph.
The average sea temperature is of 28.7 °C. Therefore, the sea is pleasantly warm and allows long swims.
March, 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 24.3 °C and a maximum of 32.8 °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 °C.
Precipitation amounts to 230 mm, distributed over 16 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is of 5.8 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 28.4 °C, with a minimum of 24.2 °C and a maximum of 32.6 °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 14 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of 5 kph.
The average sea temperature is of 29.3 °C. Therefore, the sea is pleasantly warm and allows long swims.
May is generally a very hot, muggy month. The average temperature is of 28.4 °C, with a minimum of 24.4 °C and a maximum of 32.4 °C.
On the coldest nights of the month, the temperature usually drops to around 23 °C.
On the warmest days of the month, the temperature usually reaches around 34.5 °C.
Precipitation amounts to 215 mm, distributed over 14 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of 4.7 kph.
The average sea temperature is of 29.5 °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 24.1 °C and a maximum of 31.9 °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 145 mm, distributed over 13 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is of 4.6 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 very hot, muggy month. The average temperature is of 27.7 °C, with a minimum of 23.7 °C and a maximum of 31.6 °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 120 mm, distributed over 12 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of 5.4 kph.
The average sea temperature is of 29 °C. Therefore, the sea is pleasantly warm and allows long swims.
August is generally a very hot, muggy month. The average temperature is of 27.9 °C, with a minimum of 23.8 °C and a maximum of 32 °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 135 mm, distributed over 12 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is of 6.5 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 28.2 °C, with a minimum of 24 °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 115 mm, distributed over 10 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is of 5.8 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 28.3 °C, with a minimum of 24.1 °C and a maximum of 32.5 °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 °C.
Precipitation amounts to 140 mm, distributed over 11 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is of 5.1 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 28.4 °C, with a minimum of 24.4 °C and a maximum of 32.4 °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 35 °C.
Precipitation amounts to 175 mm, distributed over 14 days.
The day lasts on average 12 hours and 5 minutes.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is of 4.9 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 28.1 °C, with a minimum of 24 °C and a maximum of 32.2 °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 35 °C.
Precipitation amounts to 200 mm, distributed over 17 days.
The day lasts on average 12 hours and 10 minutes.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of 4.8 kph.
The average sea temperature is of 29.1 °C. Therefore, the sea is pleasantly warm and allows long swims.