Climate Insights for Insrom

Kabupaten Biak Numfor, Provinsi Papua, Indonesia

Hottest
November
30°C peak
Coldest
July
25°C low
Wettest
June
421mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Insrom is hot. The average annual temperature is 27°C and approximately 3981mm of precipitation falls per year. Insrom receives a notable amount of rainfall throughout the year, including during its driest month. Insrom 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: 30° Average: 28° Min: 26° Feb Max: 30° Average: 28° Min: 26° Mar Max: 30° Average: 27° Min: 26° Apr Max: 30° Average: 28° Min: 26° May Max: 30° Average: 28° Min: 26° Jun Max: 29° Average: 27° Min: 26° Jul Max: 29° Average: 27° Min: 25° Aug Max: 30° Average: 27° Min: 25° Sep Max: 30° Average: 27° Min: 26° Oct Max: 30° Average: 28° Min: 26° Nov Max: 30° Average: 28° Min: 26° Dec Max: 30° Average: 28° Min: 26°
Max
Average
Min

Insrom has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is November, when average highs reach 30°C and the mean temperature sits around 28°C. July is the coolest month, with minimum temperatures around 25°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 322mm Feb Precipitation: 302mm Mar Precipitation: 325mm Apr Precipitation: 388mm May Precipitation: 329mm Jun Precipitation: 421mm Jul Precipitation: 357mm Aug Precipitation: 321mm Sep Precipitation: 293mm Oct Precipitation: 300mm Nov Precipitation: 299mm Dec Precipitation: 325mm
Precipitation

Insrom is a very wet location, receiving approximately 3981mm of precipitation annually, which averages out to around 332mm per month. The wettest month is June, averaging 421mm of rainfall. April and July also tend to see above-average precipitation. The driest month is September, with just 293mm. That's 128mm less than June, 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: 2km/h Feb Wind Speed: 2km/h Mar Wind Speed: 2km/h Apr Wind Speed: 2km/h May Wind Speed: 2km/h Jun Wind Speed: 2km/h Jul Wind Speed: 2km/h Aug Wind Speed: 2km/h Sep Wind Speed: 2km/h Oct Wind Speed: 2km/h Nov Wind Speed: 2km/h Dec Wind Speed: 2km/h
Wind Speed

Insrom is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2km/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

91 days until Spring

It is currently winter in Insrom, which began on June 21, 2026. Insrom sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in November at around 30°C, while the coldest stretch bottoms out in July near 25°C. Spring is next, beginning on September 23, 2026 — 91 days from now.

Spring

Temperatures range from 26 to 30°C. Rainfall is heavy, totalling around 891mm across the season with a monthly average of 297mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 26 to 30°C. Rainfall is heavy, totalling around 949mm across the season with a monthly average of 316mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 26 to 30°C. Rainfall is heavy, totalling around 1042mm across the season with a monthly average of 347mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 1099mm across the season with a monthly average of 366mm. Winds are generally light, averaging 2km/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 Insrom 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
30 °C
2 km/h
322 mm
0 cm
Feb
26 °C
30 °C
2 km/h
302 mm
0 cm
Mar
26 °C
30 °C
2 km/h
325 mm
0 cm
Apr
26 °C
30 °C
2 km/h
388 mm
0 cm
May
26 °C
30 °C
2 km/h
329 mm
0 cm
Jun Current
26 °C
29 °C
2 km/h
421 mm
0 cm
Jul
25 °C
29 °C
2 km/h
357 mm
0 cm
Aug
25 °C
30 °C
2 km/h
321 mm
0 cm
Sep
26 °C
30 °C
2 km/h
293 mm
0 cm
Oct
26 °C
30 °C
2 km/h
300 mm
0 cm
Nov
26 °C
30 °C
2 km/h
299 mm
0 cm
Dec
26 °C
30 °C
2 km/h
325 mm
0 cm
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