Climate Insights for Teluk Dalam

Kabupaten Nias Selatan, North Sumatra, Indonesia

Hottest
May
29°C peak
Coldest
September
26°C low
Wettest
November
462mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Teluk Dalam is hot. The average annual temperature is 27°C and approximately 3682mm of precipitation falls per year. Teluk Dalam receives a notable amount of rainfall throughout the year, including during its driest month. Teluk Dalam 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: 29° Average: 27° Min: 26° Feb Max: 29° Average: 28° Min: 26° Mar Max: 29° Average: 27° Min: 26° Apr Max: 29° Average: 27° Min: 26° May Max: 29° Average: 28° Min: 26° Jun Max: 29° Average: 28° Min: 26° Jul Max: 29° Average: 27° Min: 26° Aug Max: 28° Average: 27° Min: 26° Sep Max: 28° Average: 27° Min: 26° Oct Max: 28° Average: 27° Min: 26° Nov Max: 28° Average: 27° Min: 26° Dec Max: 28° Average: 27° Min: 26°
Max
Average
Min

Teluk Dalam has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is May, when average highs reach 29°C and the mean temperature sits around 28°C. September 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 3°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: 256mm Feb Precipitation: 188mm Mar Precipitation: 294mm Apr Precipitation: 302mm May Precipitation: 317mm Jun Precipitation: 212mm Jul Precipitation: 237mm Aug Precipitation: 362mm Sep Precipitation: 335mm Oct Precipitation: 378mm Nov Precipitation: 462mm Dec Precipitation: 338mm
Precipitation

Teluk Dalam is a very wet location, receiving approximately 3682mm of precipitation annually, which averages out to around 307mm per month. The wettest month is November, averaging 462mm of rainfall. October and August also tend to see above-average precipitation. The driest month is February, with just 188mm. That's 275mm less than November, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 14km/h Feb Wind Speed: 14km/h Mar Wind Speed: 14km/h Apr Wind Speed: 14km/h May Wind Speed: 14km/h Jun Wind Speed: 13km/h Jul Wind Speed: 14km/h Aug Wind Speed: 15km/h Sep Wind Speed: 15km/h Oct Wind Speed: 15km/h Nov Wind Speed: 16km/h Dec Wind Speed: 15km/h
Wind Speed

Teluk Dalam is mildly breezy, with an average annual wind speed of 14km/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 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 13km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

Seasons

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

89 days until Summer

It is currently spring in Teluk Dalam, which began on March 20, 2026. Teluk Dalam sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in May at around 29°C, while the coldest stretch bottoms out in September near 26°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 913mm across the season with a monthly average of 304mm. Winds are generally light, averaging 14km/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 811mm across the season with a monthly average of 270mm. Winds are generally light, averaging 14km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 1175mm across the season with a monthly average of 392mm. Winds are moderate at around 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 782mm across the season with a monthly average of 261mm. Winds are generally light, averaging 14km/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 Teluk Dalam 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
29 °C
14 km/h
256 mm
0 cm
Feb
26 °C
29 °C
14 km/h
188 mm
0 cm
Mar Current
26 °C
29 °C
14 km/h
294 mm
0 cm
Apr
26 °C
29 °C
14 km/h
302 mm
0 cm
May
26 °C
29 °C
14 km/h
317 mm
0 cm
Jun
26 °C
29 °C
13 km/h
212 mm
0 cm
Jul
26 °C
29 °C
14 km/h
237 mm
0 cm
Aug
26 °C
28 °C
15 km/h
362 mm
0 cm
Sep
26 °C
28 °C
15 km/h
335 mm
0 cm
Oct
26 °C
28 °C
15 km/h
378 mm
0 cm
Nov
26 °C
28 °C
16 km/h
462 mm
0 cm
Dec
26 °C
28 °C
15 km/h
338 mm
0 cm
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Metric (°C, km/h)