Climate Overview
The climate in Sentani Airport is hot. The average annual temperature is 27°C and approximately 2976mm of precipitation falls per year. Sentani Airport receives a notable amount of rainfall throughout the year, including during its driest month. Sentani Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Sentani Airport has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is October, when average highs reach 29°C and the mean temperature sits around 27°C. August 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 3°C between highs and lows.
Precipitation
Sentani Airport is a very wet location, receiving approximately 2976mm of precipitation annually, which averages out to around 248mm per month. The wettest month is December, averaging 296mm of rainfall. March and February also tend to see above-average precipitation. The driest month is August, with just 206mm. That's 90mm less than December, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.
Wind
Sentani Airport is mildly breezy, with an average annual wind speed of 15km/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 18km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, 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 5km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 13km/h in winter, 14km/h in spring, 17km/h in summer, 15km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Sentani Airport, which began on March 20, 2026. Sentani Airport sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in October at around 29°C, while the coldest stretch bottoms out in August near 25°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 678mm across the season with a monthly average of 226mm. Winds are generally light, averaging 14km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 842mm across the season with a monthly average of 281mm. Winds are moderate at around 17km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 797mm across the season with a monthly average of 266mm. Winds are generally light, averaging 15km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 659mm across the season with a monthly average of 220mm. Winds are generally light, averaging 13km/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 Sentani Airport 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.
