Climate Insights for Wonosobo

The climate in Wonosobo is warm and mild. The average annual temperature is 23°C and approximately 4078mm of precipitation falls per year. Wonosobo receives a notable amount of rainfall throughout the year, including during its driest month. Wonosobo sits near the equator, so seasonal temperature differences are minimal throughout the year.

Wonosobo has relatively stable temperatures year-round, staying within a 9°C range. The warmest month is April, when average highs reach 28°C and the mean temperature sits around 24°C. August is the coolest month, with minimum temperatures around 19°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.

Wonosobo is a very wet location, receiving approximately 4078mm of precipitation annually, which averages out to around 340mm per month. The wettest month is November, averaging 534mm of rainfall. March and December also tend to see above-average precipitation. The driest month is August, with just 89mm. That's 445mm 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.

Wonosobo is relatively calm, with an average annual wind speed of 7km/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 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.

It is currently autumn in Wonosobo, which began on March 20, 2026. Wonosobo 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 28°C, while the coldest stretch bottoms out in August near 19°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The best time to visit Wonosobo is during August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 89mm per month. By contrast, April can be uncomfortably hot with temperatures reaching 28°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Wonosobo 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.