, hot all year round, with a relatively cool, dry season from June to October and a rainy season from November to May.
The city is located in southeastern Indonesia, in the province of Papua (formerly Irian Jaya), which occupies the western part of the island of New Guinea, on the coast of the Arafura Sea and the estuary of the Maro River. We are at 8 degrees south latitude and about 65 km (40 mi) from the border with Papua-New Guinea.
From November to mid-May, but more often from January to mid-April, Merauke can be affected by
. Here are the average temperatures.
January is generally a very hot, muggy month. The average temperature is of
28 °C, with a minimum of
24.4 °C and a maximum of
31.6 °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
33.5 °C.

Precipitation amounts to
300 mm, distributed over 18 days.
The day lasts on average 12 hours and 35 minutes.

There are on average 5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
9.2 kph.

The average sea temperature is of
29.5 °C. Therefore, the sea is pleasantly warm and allows long swims.
February is generally a very hot, muggy month. The average temperature is of
27.8 °C, with a minimum of
24.3 °C and a maximum of
31.4 °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
33.5 °C.

Precipitation amounts to
320 mm, distributed over 20 days.
The day lasts on average 12 hours and 25 minutes.

There are on average 5.5 hours of sunshine per day. So, the sun shines 45% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
9.3 kph.

The average sea temperature is of
29.3 °C. Therefore, the sea is pleasantly warm and allows long swims.
March is generally a very hot, muggy month. The average temperature is of
27.8 °C, with a minimum of
24.4 °C and a maximum of
31.2 °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
33 °C.

Precipitation amounts to
310 mm, distributed over 19 days.
The day lasts on average 12 hours and 5 minutes.

There are on average 5.5 hours of sunshine per day. So, the sun shines 46% of the time.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is of
8.1 kph.

The average sea temperature is of
29.3 °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
24.2 °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 °C.

Precipitation amounts to
240 mm, distributed over 17 days.
The day lasts on average 11 hours and 55 minutes.

There are on average 6.5 hours of sunshine per day. So, the sun shines 54% of the time.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is of
8.1 kph.

The average sea temperature is of
29.4 °C. Therefore, the sea is pleasantly warm and allows long swims.
May is generally a warm to hot, muggy month. The average temperature is of
27.3 °C, with a minimum of
23.9 °C and a maximum of
30.7 °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
32.5 °C.

Precipitation amounts to
140 mm, distributed over 11 days.
The day lasts on average 11 hours and 40 minutes.

There are on average 7.5 hours of sunshine per day. So, the sun shines 63% of the time.
The average humidity is 82%. 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.
June is generally a warm to hot, muggy month. The average temperature is of
26.4 °C, with a minimum of
23.2 °C and a maximum of
29.7 °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
32.5 °C.

Precipitation amounts to
60 mm, distributed over 5 days.
The day lasts on average 11 hours and 35 minutes.

There are on average 8.5 hours of sunshine per day. So, the sun shines 74% of the time.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is of
11.2 kph.

The average sea temperature is of
28 °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
25.8 °C, with a minimum of
22.4 °C and a maximum of
29.1 °C.

On the coldest nights of the month, the temperature usually drops to around
19.5 °C.

On the warmest days of the month, the temperature usually reaches around
31.5 °C.

Precipitation amounts to
30 mm, distributed over 3 days.
The day lasts on average 11 hours and 40 minutes.

There are on average 8.5 hours of sunshine per day. So, the sun shines 73% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is of
11.6 kph.

The average sea temperature is of
27.2 °C. Therefore, the sea is pleasantly warm and allows long swims.
August, the least warm month of the year, is generally a warm to hot, muggy month. The average temperature is of
25.7 °C, with a minimum of
21.9 °C and a maximum of
29.4 °C.

On the coldest nights of the month, the temperature usually drops to around
19.5 °C.

On the warmest days of the month, the temperature usually reaches around
32 °C.

Precipitation amounts to
25 mm, distributed over 2 days.
The day lasts on average 11 hours and 50 minutes.

There are on average 9 hours of sunshine per day. So, the sun shines 77% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
12.3 kph.

The average sea temperature is of
26.9 °C. Therefore, the sea is pleasantly warm and allows long swims.
September is generally a warm to hot, muggy month. The average temperature is of
26.3 °C, with a minimum of
22.1 °C and a maximum of
30.6 °C.

On the coldest nights of the month, the temperature usually drops to around
19.5 °C.

On the warmest days of the month, the temperature usually reaches around
33 °C.

Precipitation amounts to
20 mm, distributed over 2 days.
The day lasts on average 12 hours and 5 minutes.

There are on average 10 hours of sunshine per day. So, the sun shines 82% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is of
12.3 kph.

The average sea temperature is of
27.6 °C. Therefore, the sea is pleasantly warm and allows long swims.
October is generally a warm to hot, muggy month. The average temperature is of
27.4 °C, with a minimum of
23.1 °C and a maximum of
31.7 °C.

On the coldest nights of the month, the temperature usually drops to around
19.5 °C.

On the warmest days of the month, the temperature usually reaches around
34 °C.

Precipitation amounts to
60 mm, distributed over 6 days.
The day lasts on average 12 hours and 20 minutes.

There are on average 8.5 hours of sunshine per day. So, the sun shines 71% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is of
11.6 kph.

The average sea temperature is of
28.7 °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
24 °C and a maximum of
32.3 °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
34.5 °C.

Precipitation amounts to
110 mm, distributed over 9 days.
The day lasts on average 12 hours and 30 minutes.

There are on average 8 hours of sunshine per day. So, the sun shines 66% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is of
10.1 kph.

The average sea temperature is of
29.8 °C. Therefore, the sea is pleasantly warm and allows long swims.
December is generally a very hot, muggy month. The average temperature is of
28.4 °C, with a minimum of
24.5 °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
185 mm, distributed over 15 days.
The day lasts on average 12 hours and 35 minutes.

There are on average 6 hours of sunshine per day. So, the sun shines 47% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is of
7.9 kph.

The average sea temperature is of
29.9 °C. Therefore, the sea is pleasantly warm and allows long swims.