Climate Overview
The climate in Kepanjen is cold. The average annual temperature is -5°C and approximately 282mm of precipitation falls per year. December is the wettest month, receiving around 33mm of rainfall. Kepanjen sits near the equator, so seasonal temperature differences are minimal throughout the year. Kepanjen experiences heavy snowfall, typically from January through December.
Temperature
Kepanjen has relatively stable temperatures year-round, staying within a 10°C range. July is the warmest month, though highs remain moderate at -1°C with a mean of -1°C. The coldest month is May, when overnight lows fall to -11°C and the daily average is -8°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows. The sharpest temperature change occurs between August and September, with a 5°C shift in average temperatures.
Precipitation
Kepanjen is a quite dry location, receiving approximately 282mm of precipitation annually, which averages out to around 24mm per month. The wettest month is January, averaging 33mm of rainfall. February and July also tend to see above-average precipitation. The driest month is September, with just 1mm. That's 32mm less than January, 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. Kepanjen receives heavy snowfall, accumulating around 283cm annually from January through December. The snowiest month is January, with approximately 33cm. Winter travel should account for significant snow cover.
Wind
Kepanjen 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 December, averaging 11km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 7km/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 5km/h in winter, 8km/h in spring, 9km/h in summer, 5km/h in autumn.
Seasons
22 days until Spring
It is currently winter in Kepanjen, which began on June 21, 2026. Kepanjen sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in July at around -1°C, while the coldest stretch bottoms out in May near -11°C. Spring is next, beginning on September 23, 2026 — 22 days from now.
Spring
Temperatures range from -9 to -3°C. Rainfall is relatively light, with around 53mm over the season and a monthly average of 18mm. Winds are generally light, averaging 8km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from -7 to -1°C. Rainfall is relatively light, with around 98mm over the season and a monthly average of 33mm. Winds are generally light, averaging 9km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from -11 to -5°C. Rainfall is relatively light, with around 49mm over the season and a monthly average of 16mm. Expect around 49cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -5 to -1°C. Rainfall is relatively light, with around 83mm over the season and a monthly average of 28mm. Expect around 83cm of snow accumulation during this period. Winds are generally light, averaging 5km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Monthly Climate Data
The table below shows monthly climate averages for Kepanjen 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.
