cemoro lawang's climate is warm and temperate, and is classified as subtropical highland ("cwb") under the köppen climate classification. the relatively brief wet season (also known as "summer") occurs at december to march, and is known to have lukewarm temperatures, shorter diurnal ranges, and a good deal of rainfall. the dry season stands out for the remainder of the year (june-september), and is best known for its chilly mornings, incidences of frost, and single-digit temperatures. the average temperature here is 13.2 °c, and the average rainfall is 1924 mm.