Climate Overview
The climate in Wonosari is hot. The average annual temperature is 27°C and approximately 1905mm of precipitation falls per year. February is the wettest month, receiving around 306mm of rainfall. Wonosari sits near the equator, so seasonal temperature differences are minimal throughout the year.
Temperature
Wonosari has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is April, when average highs reach 31°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 23°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.
Precipitation
Wonosari is a fairly wet location, receiving approximately 1905mm of precipitation annually, which averages out to around 159mm per month. The wettest month is February, averaging 306mm of rainfall. December and January also tend to see above-average precipitation. The driest month is August, with just 10mm. That's 296mm 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
Wonosari is mildly breezy, with an average annual wind speed of 16km/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 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/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 19km/h in winter, 18km/h in spring, 15km/h in summer, 13km/h in autumn.
Seasons
89 days until Winter
It is currently autumn in Wonosari, which began on March 20, 2026. Wonosari 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 31°C, while the coldest stretch bottoms out in August near 23°C. Winter is next, beginning on June 21, 2026 — 89 days from now.
Spring
Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 448mm across the season with a monthly average of 149mm. Winds are moderate at around 18km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.
Summer
Temperatures range from 25 to 30°C. Rainfall is heavy, totalling around 873mm across the season with a monthly average of 291mm. Winds are generally light, averaging 15km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 25 to 31°C. Rainfall is heavy, totalling around 489mm across the season with a monthly average of 163mm. Winds are generally light, averaging 13km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 23 to 31°C. Rainfall is relatively light, with around 95mm over the season and a monthly average of 32mm. Winds are moderate at around 19km/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 Wonosari 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.
