Climate Overview
The climate in Achmad Yani International Airport is hot. The average annual temperature is 25°C and approximately 2903mm of precipitation falls per year. Achmad Yani International Airport receives a notable amount of rainfall throughout the year, including during its driest month. Achmad Yani International Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Achmad Yani International Airport has relatively stable temperatures year-round, staying within a 7°C range. The warmest month is September, when average highs reach 29°C and the mean temperature sits around 26°C. July is the coolest month, with minimum temperatures around 22°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.
Precipitation
Achmad Yani International Airport is a very wet location, receiving approximately 2903mm of precipitation annually, which averages out to around 242mm per month. The wettest month is February, averaging 504mm of rainfall. January and December also tend to see above-average precipitation. The driest month is August, with just 30mm. That's 473mm less than February, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Achmad Yani International Airport 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 January, averaging 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
84 days until Spring
It is currently winter in Achmad Yani International Airport, which began on June 21, 2026. Achmad Yani International 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 September at around 29°C, while the coldest stretch bottoms out in July near 22°C. Spring is next, beginning on September 23, 2026 — 84 days from now.
Spring
Temperatures range from 23 to 29°C. Rainfall is heavy, totalling around 620mm across the season with a monthly average of 207mm. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 23 to 28°C. Rainfall is heavy, totalling around 1351mm across the season with a monthly average of 450mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 29°C. Rainfall is heavy, totalling around 781mm across the season with a monthly average of 260mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 29°C. Rainfall is relatively light, with around 151mm over the season and a monthly average of 50mm. Winds are generally light, averaging 2km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Achmad Yani International Airport is during July, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 40mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 29°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.
Monthly Climate Data
The table below shows monthly climate averages for Achmad Yani International 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.
