Climate Insights for Wonosobo

The climate in Wonosobo is cold. The average annual temperature is -2°C and approximately 330mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Wonosobo sits near the equator, so seasonal temperature differences are minimal throughout the year. Wonosobo experiences heavy snowfall, typically from February through December.

Wonosobo sees moderate temperature variation throughout the year, ranging from -10°C to 2°C. January is the warmest month, though highs remain moderate at 2°C with a mean of 2°C. The coldest month is July, when overnight lows fall to -10°C and the daily average is -9°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between July and August, with a 6°C shift in average temperatures.

Wonosobo is a quite dry location, receiving approximately 330mm of precipitation annually, which averages out to around 28mm per month. The wettest month is March, averaging 33mm of rainfall. April and May also tend to see above-average precipitation. The driest month is February, with just 12mm. That's 21mm less than March, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall. Wonosobo receives heavy snowfall, accumulating around 294cm annually from February through December. The snowiest month is March, with approximately 33cm. Winter travel should account for significant snow cover.

Wonosobo is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 8km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to pick up during the summer months. The seasonal averages are 6km/h in winter, 10km/h in spring, 9km/h in summer, 8km/h in autumn.

It is currently winter in Wonosobo, which began on June 21, 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 January at around 2°C, while the coldest stretch bottoms out in July near -10°C. Spring is next, beginning on September 23, 2026 — 23 days from now.

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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.