Climate Overview
The climate in General Besar Abdul Haris Nasution Airport is warm and mild. The average annual temperature is 25°C and approximately 2812mm of precipitation falls per year. General Besar Abdul Haris Nasution Airport receives a notable amount of rainfall throughout the year, including during its driest month. General Besar Abdul Haris Nasution Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
General Besar Abdul Haris Nasution Airport has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is May, when average highs reach 30°C and the mean temperature sits around 25°C. January is the coolest month, with minimum temperatures around 21°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.
Precipitation
General Besar Abdul Haris Nasution Airport is a very wet location, receiving approximately 2812mm of precipitation annually, which averages out to around 234mm per month. The wettest month is November, averaging 331mm of rainfall. December and April also tend to see above-average precipitation. The driest month is July, with just 142mm. That's 189mm 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
General Besar Abdul Haris Nasution Airport is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.
Seasons
89 days until Summer
It is currently spring in General Besar Abdul Haris Nasution Airport, which began on March 20, 2026. General Besar Abdul Haris Nasution 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 May at around 30°C, while the coldest stretch bottoms out in January near 21°C. Summer is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 21 to 30°C. Rainfall is heavy, totalling around 768mm across the season with a monthly average of 256mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 21 to 30°C. Rainfall is heavy, totalling around 529mm across the season with a monthly average of 176mm. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 21 to 29°C. Rainfall is heavy, totalling around 819mm across the season with a monthly average of 273mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 21 to 29°C. Rainfall is heavy, totalling around 697mm across the season with a monthly average of 232mm. Winds are generally light, averaging 6km/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 General Besar Abdul Haris Nasution 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.
