Weather in Jepara

Jepara is in Indonesia at 6.6°S. The 2001–2020 NASA POWER daily record describes a monsoon climate with a sharp wet-dry split. October is the warmest month (average 28.5°C, high 30.4°C) and February is the coolest (average 27.0°C, low 26.3°C).

Rain is the monsoon runs from October to June, inside an annual total of 2137 mm. The wettest month is January at 382 mm; the driest is August at 26 mm. On this site the months that score closest to a 22°C day, lighter rain, and moderate humidity are July, August, and September.

Temperature through the year

The heat peaks in October, when the typical afternoon is 30.4°C. The opposite pole is February, when mornings average 26.3°C.

Across the year the mean afternoon high is 29.1°C. If you want the smallest day–night shock, look at months where the high and low sit close together; October nights still hold 26.7°C.

Rainfall pattern

The monsoon in Jepara starts in October and ends in June (October, November, December, January, February, March, April, May, and June). January is the core of it at 382 mm. August is the other extreme, with 26 mm.

Humidity peaks near 85%. That usually lines up with the wetter months rather than the hottest ones.

Distinctive months in Jepara

January is the wettest month — 382 mm and 29 rainy days, with 84% humidity. February is the coolest month, with lows around 26.3°C and highs near 27.7°C. Rainfall is 361 mm. March: 28.2°C high, 26.6°C low, 225 mm rain, 83% humidity. May brings 139 mm and 20 rainy days; temperatures run from 26.8°C to 29.2°C.

August is the driest month, averaging only 26 mm across 5 rainy days. Highs sit near 29.8°C. The monsoon opens in October. Expect 114 mm and 16 rainy days, with nights around 26.7°C. In November, Jepara averages 29.4°C by day and 27.0°C at night, with 205 mm of rain. December brings 295 mm and 29 rainy days; temperatures run from 26.7°C to 28.4°C.

When the score favours a visit

The three months with the highest comfort score are July, August, and September: July (27.3°C average, 47 mm, 76% humidity); August (27.5°C average, 26 mm, 72% humidity); September (28.2°C average, 54 mm, 70% humidity). They fall in calendar order. The score rewards averages near 22°C, lower rainfall, and humidity near 60%. It is a climate score, not a festival or price calendar.

If you want the monsoon itself — fewer crowds, greener landscape, heavier rain — aim at October–June instead of the score.

Jepara and other cities in Indonesia

Semarang is about 52 km away: Jepara is 0.7°C cooler than Semarang in its hottest month and 80 mm wetter over the year than Semarang. Semarang’s wettest month is January (354 mm) versus January here.

Surabaya is about 241 km away: Jepara is 1.7°C cooler than Surabaya in its hottest month and 256 mm wetter over the year than Surabaya. Surabaya’s wettest month is January (337 mm) versus January here.

Bandung is about 340 km away: Jepara is 5.8°C warmer than Bandung in its hottest month and 468 mm drier over the year than Bandung. Bandung’s wettest month is February (365 mm) versus January here.