Climate Overview
The climate in Bantul is hot. The average annual temperature is 26°C and approximately 2474mm of precipitation falls per year. November is the wettest month, receiving around 350mm of rainfall. Bantul sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Bantul has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is April, when average highs reach 30°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 22°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.
Precipitation
Bantul is a very wet location, receiving approximately 2474mm of precipitation annually, which averages out to around 206mm per month. The wettest month is November, averaging 350mm of rainfall. December and January also tend to see above-average precipitation. The driest month is August, with just 30mm. That's 320mm less than November, 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
Bantul is relatively calm, with an average annual wind speed of 3km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 2km/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
93 days until Spring
It is currently winter in Bantul, which began on June 21, 2026. Bantul sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in April at around 30°C, while the coldest stretch bottoms out in August near 22°C. Spring is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from 23 to 28°C. Rainfall is heavy, totalling around 660mm across the season with a monthly average of 220mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 24 to 29°C. Rainfall is heavy, totalling around 986mm across the season with a monthly average of 329mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 642mm across the season with a monthly average of 214mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 22 to 28°C. Precipitation is moderate at around 186mm for the season, averaging 62mm per month. Winds are generally light, averaging 3km/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 Bantul is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 25°C with modest rainfall averaging 56mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 30°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 Bantul 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.