Climate Insights for Sinak

Kabupaten Puncak, Central Papua, Indonesia

Hottest
January
18°C peak
Coldest
August
9°C low
Wettest
March
661mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Sinak is temperate. The average annual temperature is 13°C and approximately 6529mm of precipitation falls per year. Sinak receives a notable amount of rainfall throughout the year, including during its driest month. Sinak sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 15° 20° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 18° Average: 13° Min: 10° Feb Max: 18° Average: 13° Min: 10° Mar Max: 18° Average: 13° Min: 10° Apr Max: 18° Average: 13° Min: 10° May Max: 18° Average: 13° Min: 10° Jun Max: 17° Average: 13° Min: 10° Jul Max: 16° Average: 12° Min: 10° Aug Max: 16° Average: 12° Min: 9° Sep Max: 17° Average: 13° Min: 9° Oct Max: 17° Average: 13° Min: 9° Nov Max: 18° Average: 13° Min: 10° Dec Max: 18° Average: 13° Min: 10°
Max
Average
Min

Sinak has relatively stable temperatures year-round, staying within a 9°C range. January is the warmest month, though highs remain moderate at 18°C with a mean of 13°C. August is the coolest month, with minimum temperatures around 9°C and an average of 12°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm 550mm 600mm 650mm 700mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 542mm Feb Precipitation: 599mm Mar Precipitation: 661mm Apr Precipitation: 591mm May Precipitation: 493mm Jun Precipitation: 549mm Jul Precipitation: 594mm Aug Precipitation: 519mm Sep Precipitation: 545mm Oct Precipitation: 476mm Nov Precipitation: 418mm Dec Precipitation: 541mm
Precipitation

Sinak is a very wet location, receiving approximately 6529mm of precipitation annually, which averages out to around 544mm per month. The wettest month is March, averaging 661mm of rainfall. February and July also tend to see above-average precipitation. The driest month is November, with just 418mm. That's 243mm less than March, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 1km/h Feb Wind Speed: 1km/h Mar Wind Speed: 1km/h Apr Wind Speed: 1km/h May Wind Speed: 1km/h Jun Wind Speed: 1km/h Jul Wind Speed: 1km/h Aug Wind Speed: 1km/h Sep Wind Speed: 1km/h Oct Wind Speed: 1km/h Nov Wind Speed: 1km/h Dec Wind Speed: 1km/h
Wind Speed

Sinak is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

Seasons

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

90 days until Spring

It is currently winter in Sinak, which began on June 21, 2026. Sinak sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in January at around 18°C, while the coldest stretch bottoms out in August near 9°C. Spring is next, beginning on September 23, 2026 — 90 days from now.

Spring

Temperatures range from 9 to 18°C. Rainfall is heavy, totalling around 1439mm across the season with a monthly average of 480mm. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 10 to 18°C. Rainfall is heavy, totalling around 1682mm across the season with a monthly average of 561mm. Winds are generally light, averaging 1km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 10 to 18°C. Rainfall is heavy, totalling around 1745mm across the season with a monthly average of 582mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 9 to 17°C. Rainfall is heavy, totalling around 1663mm across the season with a monthly average of 554mm. Winds are generally light, averaging 1km/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 Sinak 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
10 °C
18 °C
1 km/h
542 mm
0 cm
Feb
10 °C
18 °C
1 km/h
599 mm
0 cm
Mar
10 °C
18 °C
1 km/h
661 mm
0 cm
Apr
10 °C
18 °C
1 km/h
591 mm
0 cm
May
10 °C
18 °C
1 km/h
493 mm
0 cm
Jun Current
10 °C
17 °C
1 km/h
549 mm
0 cm
Jul
10 °C
16 °C
1 km/h
594 mm
0 cm
Aug
9 °C
16 °C
1 km/h
519 mm
0 cm
Sep
9 °C
17 °C
1 km/h
545 mm
0 cm
Oct
9 °C
17 °C
1 km/h
476 mm
0 cm
Nov
10 °C
18 °C
1 km/h
418 mm
0 cm
Dec
10 °C
18 °C
1 km/h
541 mm
0 cm
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