Climate Overview
The climate in Harun Thohir Airport is hot. The average annual temperature is 27°C and approximately 2114mm of precipitation falls per year. December is the wettest month, receiving around 381mm of rainfall. Harun Thohir Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Harun Thohir Airport has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is May, when average highs reach 29°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 26°C and an average of 27°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.
Precipitation
Harun Thohir Airport is a very wet location, receiving approximately 2114mm of precipitation annually, which averages out to around 176mm per month. The wettest month is December, averaging 381mm of rainfall. January and February also tend to see above-average precipitation. The driest month is August, with just 11mm. That's 370mm less than December, 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
Harun Thohir Airport is moderately windy, with an average annual wind speed of 24km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 29km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in November, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 11km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 28km/h in winter, 22km/h in spring, 26km/h in summer, 21km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Harun Thohir Airport, which began on March 20, 2026. Harun Thohir 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 29°C, while the coldest stretch bottoms out in February near 26°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 27 to 28°C. Precipitation is moderate at around 301mm for the season, averaging 100mm per month. Winds are moderate at around 22km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 1085mm across the season with a monthly average of 362mm. Winds are strong, averaging 26km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 543mm across the season with a monthly average of 181mm. Winds are moderate at around 21km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 27 to 28°C. Precipitation is moderate at around 185mm for the season, averaging 62mm per month. Winds are strong, averaging 28km/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 Harun Thohir 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.
