Climate - Merauke (Indonesia)

The climate of Merauke is tropical, 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 tropical cyclones, although most of them pass further south, over Australia.

Merauke - Climate data

In Merauke, the average temperature of the coldest month (August) is of 25.7 °C (78.2 °F), that of the warmest month (December) is of 28.4 °C (83.1 °F). Here are the average temperatures.
In Merauke, precipitation amounts to 1795 millimeters (70.7 inches) per year: it is therefore abundant. It ranges from 20 mm (0.8 in) in the driest month (September) to 320 mm (12.6 in) in the wettest one (February). Here is the average precipitation.
At Merauke, the sea temperature ranges from 27 °C (81 °F) in July, August to 30 °C (86 °F) in November, December. Here are the average sea temperatures.
In Merauke, there are on average around 2715 sunshine hours per year. Here are the average hours of sunshine per day.

Merauke - Weather by month

Based on the period 1991-2020

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In January, the weather in Merauke is usually very hot and muggy. The average temperature is of 28.0 °C (82 °F), with a minimum of 24.4 °C (75.9 °F) and a maximum of 31.6 °C (88.8 °F).
On the coldest nights of the month, the temperature usually drops to around 22.5 °C (73 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92.5 °F).
Precipitation amounts to 300 mm (11.8 in), 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 9 kph (6 mph).
The average sea temperature is of 29.5 °C (85 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In February, the weather in Merauke is usually very hot and muggy. The average temperature is of 27.8 °C (82 °F), with a minimum of 24.3 °C (75.8 °F) and a maximum of 31.4 °C (88.5 °F).
On the coldest nights of the month, the temperature usually drops to around 22.5 °C (72.5 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92.5 °F).
Precipitation amounts to 320 mm (12.6 in), 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 9 kph (6 mph).
The average sea temperature is of 29.5 °C (84.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In March, the weather in Merauke is usually very hot and muggy. The average temperature is of 27.8 °C (82 °F), with a minimum of 24.4 °C (75.8 °F) and a maximum of 31.2 °C (88.1 °F).
On the coldest nights, the temperature usually drops to around 22.5 °C (72.5 °F).
On the warmest days, the temperature usually reaches around 33 °C (91.5 °F).
Precipitation amounts to 310 mm (12.2 in), 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 8 kph (5 mph).
The average sea temperature is of 29.5 °C (84.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In April, the weather in Merauke is usually very hot and muggy. The average temperature is of 27.8 °C (82 °F), with a minimum of 24.2 °C (75.6 °F) and a maximum of 31.3 °C (88.3 °F).
On the coldest nights, the temperature usually drops to around 22 °C (71.5 °F).
On the warmest days, the temperature usually reaches around 34 °C (93 °F).
Precipitation amounts to 240 mm (9.4 in), 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 8 kph (5 mph).
The average sea temperature is of 29.5 °C (85 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In May, the weather in Merauke is usually warm to hot and muggy. The average temperature is of 27.3 °C (81 °F), with a minimum of 23.9 °C (75.1 °F) and a maximum of 30.7 °C (87.3 °F).
On the coldest nights, the temperature usually drops to around 22 °C (71.5 °F).
On the warmest days, the temperature usually reaches around 32.5 °C (91 °F).
Precipitation amounts to 140 mm (5.5 in), 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 9 kph (6 mph).
The average sea temperature is of 29 °C (84 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In June, the weather in Merauke is usually warm to hot and muggy. The average temperature is of 26.4 °C (80 °F), with a minimum of 23.2 °C (73.7 °F) and a maximum of 29.7 °C (85.5 °F).
On the coldest nights, the temperature usually drops to around 20.5 °C (69.5 °F).
On the warmest days, the temperature usually reaches around 32.5 °C (90 °F).
Precipitation amounts to 60 mm (2.4 in), 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 11 kph (7 mph).
The average sea temperature is of 28 °C (82.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In July, the weather in Merauke is usually warm to hot and muggy. The average temperature is of 25.8 °C (78 °F), with a minimum of 22.4 °C (72.2 °F) and a maximum of 29.1 °C (84.5 °F).
On the coldest nights of the month, the temperature usually drops to around 19.5 °C (67 °F).
On the warmest days of the month, the temperature usually reaches around 31.5 °C (88.5 °F).
Precipitation amounts to 30 mm (1.2 in), 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 12 kph (7 mph).
The average sea temperature is of 27 °C (81 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In August, the least warm month of the year, the weather in Merauke is usually warm to hot and muggy. The average temperature is of 25.7 °C (78 °F), with a minimum of 21.9 °C (71.5 °F) and a maximum of 29.4 °C (85 °F).
On the coldest nights of the month, the temperature usually drops to around 19.5 °C (66.5 °F).
On the warmest days of the month, the temperature usually reaches around 32 °C (89.5 °F).
Precipitation amounts to 25 mm (1 in), 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 12 kph (8 mph).
The average sea temperature is of 27 °C (80.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In September, the weather in Merauke is usually warm to hot and muggy. The average temperature is of 26.3 °C (79 °F), with a minimum of 22.1 °C (71.8 °F) and a maximum of 30.6 °C (87 °F).
On the coldest nights, the temperature usually drops to around 19.5 °C (67 °F).
On the warmest days, the temperature usually reaches around 33 °C (91 °F).
Precipitation amounts to 20 mm (0.8 in), 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 12 kph (8 mph).
The average sea temperature is of 27.5 °C (81.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In October, the weather in Merauke is usually warm to hot and muggy. The average temperature is of 27.4 °C (81 °F), with a minimum of 23.1 °C (73.5 °F) and a maximum of 31.7 °C (89.1 °F).
On the coldest nights, the temperature usually drops to around 19.5 °C (67.5 °F).
On the warmest days, the temperature usually reaches around 34 °C (93.5 °F).
Precipitation amounts to 60 mm (2.4 in), 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 12 kph (7 mph).
The average sea temperature is of 28.5 °C (83.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In November, the weather in Merauke is usually very hot and muggy. The average temperature is of 28.2 °C (83 °F), with a minimum of 24 °C (75.1 °F) and a maximum of 32.3 °C (90.2 °F).
On the coldest nights, the temperature usually drops to around 21.5 °C (70.5 °F).
On the warmest days, the temperature usually reaches around 34.5 °C (94 °F).
Precipitation amounts to 110 mm (4.3 in), 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 10 kph (6 mph).
The average sea temperature is of 30 °C (85.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In December, the weather in Merauke is usually very hot and muggy. The average temperature is of 28.4 °C (83 °F), with a minimum of 24.5 °C (76 °F) and a maximum of 32.3 °C (90.2 °F).
On the coldest nights of the month, the temperature usually drops to around 22.5 °C (73 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94 °F).
Precipitation amounts to 185 mm (7.3 in), 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 8 kph (5 mph).
The average sea temperature is of 30 °C (86 °F). Therefore, the sea is pleasantly warm and allows long swims.