Climate Insights for Sinabang

Kabupaten Simeulue, Nanggroe Aceh Darussalam Province, Indonesia

Hottest
June
29°C peak
Coldest
November
26°C low
Wettest
November
473mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Sinabang is hot. The average annual temperature is 27°C and approximately 3482mm of precipitation falls per year. Sinabang receives a notable amount of rainfall throughout the year, including during its driest month. Sinabang sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 28° Average: 27° Min: 26° Feb Max: 28° Average: 28° Min: 26° Mar Max: 28° Average: 28° Min: 26° Apr Max: 28° Average: 28° Min: 26° May Max: 29° Average: 28° Min: 27° Jun Max: 29° Average: 28° Min: 27° Jul Max: 28° Average: 28° Min: 27° Aug Max: 28° Average: 27° Min: 26° Sep Max: 28° Average: 27° Min: 26° Oct Max: 28° Average: 27° Min: 26° Nov Max: 27° Average: 27° Min: 26° Dec Max: 28° Average: 27° Min: 26°
Max
Average
Min

Sinabang has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is June, when average highs reach 29°C and the mean temperature sits around 28°C. November is the coolest month, with minimum temperatures around 26°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 220mm Feb Precipitation: 175mm Mar Precipitation: 294mm Apr Precipitation: 283mm May Precipitation: 289mm Jun Precipitation: 176mm Jul Precipitation: 266mm Aug Precipitation: 279mm Sep Precipitation: 282mm Oct Precipitation: 376mm Nov Precipitation: 473mm Dec Precipitation: 367mm
Precipitation

Sinabang is a very wet location, receiving approximately 3482mm of precipitation annually, which averages out to around 290mm per month. The wettest month is November, averaging 473mm of rainfall. October and December also tend to see above-average precipitation. The driest month is February, with just 175mm. That's 298mm less than November, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 9km/h Mar Wind Speed: 9km/h Apr Wind Speed: 9km/h May Wind Speed: 11km/h Jun Wind Speed: 10km/h Jul Wind Speed: 10km/h Aug Wind Speed: 11km/h Sep Wind Speed: 12km/h Oct Wind Speed: 12km/h Nov Wind Speed: 13km/h Dec Wind Speed: 10km/h
Wind Speed

Sinabang is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 9km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

3 days until Autumn

It is currently summer in Sinabang, which began on June 21, 2026. Sinabang sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in June at around 29°C, while the coldest stretch bottoms out in November near 26°C. Autumn is next, beginning on September 23, 2026 (3 days from now).

Spring

Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 866mm across the season with a monthly average of 289mm. Winds are generally light, averaging 10km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 722mm across the season with a monthly average of 241mm. Winds are generally light, averaging 10km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 1132mm across the season with a monthly average of 377mm. Winds are generally light, averaging 12km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 762mm across the season with a monthly average of 254mm. Winds are generally light, averaging 9km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Sinabang based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
26 °C
28 °C
9 km/h
220 mm
0 cm
Feb
26 °C
28 °C
9 km/h
175 mm
0 cm
Mar
26 °C
28 °C
9 km/h
294 mm
0 cm
Apr
26 °C
28 °C
9 km/h
283 mm
0 cm
May
27 °C
29 °C
11 km/h
289 mm
0 cm
Jun
27 °C
29 °C
10 km/h
176 mm
0 cm
Jul
27 °C
28 °C
10 km/h
266 mm
0 cm
Aug
26 °C
28 °C
11 km/h
279 mm
0 cm
Sep Current
26 °C
28 °C
12 km/h
282 mm
0 cm
Oct
26 °C
28 °C
12 km/h
376 mm
0 cm
Nov
26 °C
27 °C
13 km/h
473 mm
0 cm
Dec
26 °C
28 °C
10 km/h
367 mm
0 cm
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Metric (°C, km/h)