Climate - Sabang (Indonesia)

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The climate of Sabang can be defined as equatorial, since it is hot all year round and without a dry season, although there is a rainier period from October to January, due to the northeast monsoon and to the tropical depressions that form in this period.
Sabang is the northwesternmost city of Indonesia, and is located on the small island of Weh, north of Sumatra, in the province of Aceh, at almost 6 degrees north latitude.
Temperatures are slightly lower in the Northern Hemisphere winter (November to February), and slightly higher from April to August.
Being close to the equator, Sabang is generally not directly affected by tropical cyclones. However, from April to December, a cyclone can occasionally form on the sea north of Sumatra, which then heads towards the Andaman Sea.

Sabang - Climate data

The average temperature of the coldest month (December) is of 25.5 °C (77.8 °F), that of the warmest month (June) is of 27.2 °C (81.0 °F). Here are the average temperatures.
Precipitation amounts to 1800 millimeters (70.9 inches) per year: it is therefore abundant. It ranges from 75 mm (3 in) in the driest month (April) to 295 mm (11.6 in) in the wettest one (December). Here is the average precipitation.
The sea temperature ranges from 28.5 °C (83 °F) in January, December to 30 °C (86 °F) in April, May. Here are the average sea temperatures.

Sabang - Weather by month

Based on the period 1991-2020

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In January, the weather in Sabang is usually warm to hot. The average temperature is of 25.6 °C (78 °F), with a minimum of 21.8 °C (71.3 °F) and a maximum of 29.4 °C (84.9 °F).
On the coldest nights of the month, the temperature usually drops to around 19 °C (66.5 °F).
On the warmest days of the month, the temperature usually reaches around 31 °C (88 °F).
Precipitation amounts to 215 mm (8.5 in), distributed over 14 days.
The day lasts on average 11 hours and 50 minutes.
The average humidity is 85%. Hence, the air is normally humid.
The average wind speed is 13 kph (8 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 February, the weather in Sabang is usually warm to hot. The average temperature is of 26.0 °C (79 °F), with a minimum of 22 °C (71.5 °F) and a maximum of 30.1 °C (86.2 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (67.5 °F).
On the warmest days of the month, the temperature usually reaches around 31.5 °C (89 °F).
Precipitation amounts to 130 mm (5.1 in), distributed over 12 days.
The day lasts on average 11 hours and 55 minutes.
The average humidity is 84%. Hence, the air is normally humid.
The average wind speed is 11 kph (7 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 March, the weather in Sabang is usually warm to hot. The average temperature is of 26.5 °C (80 °F), with a minimum of 22 °C (71.5 °F) and a maximum of 31 °C (87.7 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (91 °F).
Precipitation amounts to 105 mm (4.1 in), distributed over 9 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 7 kph (4 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 April, the weather in Sabang is usually warm to hot. The average temperature is of 27.0 °C (81 °F), with a minimum of 22.5 °C (72.4 °F) and a maximum of 31.6 °C (88.8 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (69 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92 °F).
Precipitation amounts to 75 mm (3 in), distributed over 7 days.
The day lasts on average 12 hours and 20 minutes.
The average humidity is 82%. Hence, the air is normally humid.
The average wind speed is 5 kph (3 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 May, the weather in Sabang is usually warm to hot. The average temperature is of 27.1 °C (81 °F), with a minimum of 22.7 °C (72.9 °F) and a maximum of 31.5 °C (88.7 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (68.5 °F).
On the warmest days of the month, the temperature usually reaches around 34 °C (93.5 °F).
Precipitation amounts to 125 mm (4.9 in), distributed over 10 days.
The day lasts on average 12 hours and 25 minutes.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 12 kph (7 mph).
The average sea temperature is of 30 °C (86 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In June, the warmest month of the year, the weather in Sabang is usually warm to hot. The average temperature is of 27.2 °C (81 °F), with a minimum of 22.9 °C (73.3 °F) and a maximum of 31.5 °C (88.7 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92.5 °F).
Precipitation amounts to 105 mm (4.1 in), distributed over 8 days.
The day lasts on average 12 hours and 30 minutes.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 29.5 °C (85.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In July, the weather in Sabang is usually warm to hot. The average temperature is of 26.9 °C (80 °F), with a minimum of 22.6 °C (72.8 °F) and a maximum of 31.2 °C (88.2 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (67.5 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92 °F).
Precipitation amounts to 90 mm (3.5 in), distributed over 9 days.
The day lasts on average 12 hours and 25 minutes.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 17 kph (11 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 August, the weather in Sabang is usually warm to hot. The average temperature is of 26.8 °C (80 °F), with a minimum of 22.6 °C (72.7 °F) and a maximum of 31 °C (87.8 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (67.5 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92 °F).
Precipitation amounts to 110 mm (4.3 in), distributed over 9 days.
The day lasts on average 12 hours and 20 minutes.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 16 kph (10 mph).
The average sea temperature is of 29 °C (84.5 °F). Therefore, the sea is pleasantly warm and allows long swims.

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In September, the weather in Sabang is usually warm to hot. The average temperature is of 26.5 °C (80 °F), with a minimum of 22.4 °C (72.4 °F) and a maximum of 30.6 °C (87.1 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (92 °F).
Precipitation amounts to 150 mm (5.9 in), distributed over 11 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 13 kph (8 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 October, the weather in Sabang is usually warm to hot. The average temperature is of 26.0 °C (79 °F), with a minimum of 22 °C (71.5 °F) and a maximum of 30.1 °C (86.1 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F).
On the warmest days of the month, the temperature usually reaches around 32 °C (90 °F).
Precipitation amounts to 180 mm (7.1 in), distributed over 11 days.
The day lasts on average 12 hours and 0 minutes.
The average humidity is 83%. Hence, the air is normally humid.
The average wind speed is 10 kph (7 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 November, the weather in Sabang is usually warm to hot. The average temperature is of 25.7 °C (78 °F), with a minimum of 21.9 °C (71.5 °F) and a maximum of 29.5 °C (85.1 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68 °F).
On the warmest days of the month, the temperature usually reaches around 32 °C (89 °F).
Precipitation amounts to 225 mm (8.9 in), distributed over 14 days.
The day lasts on average 11 hours and 55 minutes.
The average humidity is 86%. Hence, the air is normally humid.
The average wind speed is 7 kph (4 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 December, the coldest month of the year, the weather in Sabang is usually warm to hot. The average temperature is of 25.5 °C (78 °F), with a minimum of 21.8 °C (71.2 °F) and a maximum of 29.2 °C (84.5 °F).
On the coldest nights of the month, the temperature usually drops to around 19.5 °C (67.5 °F).
On the warmest days of the month, the temperature usually reaches around 31.5 °C (89 °F).
Precipitation amounts to 295 mm (11.6 in), distributed over 16 days.
The day lasts on average 11 hours and 50 minutes.
The average humidity is 87%. Hence, the air is normally humid.
The average wind speed is 11 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.