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Java climate: when to go to Java

The island of Java has an equatorial climate hot and humid, with stable temperatures throughout the year, the temperature changes are small. The rains are more between November and May, the wettest months of all are those of January and February, the dry season begins in June and ends in October.

Most of the island receives between 1,600 mm and 2,000 mm of rain per year, the rains fall mainly in the afternoon. The mountainous areas are more humid than the rest of the island, here in some areas such as in the plateau of Parahyangan fall more than 4,000 mm of rain per year.

The average maximum temperatures vary between 30°C and 32°C, while the average minimum temperatures ranging between 23°C and 25°C. The southern coasts are slightly cooler than the Northern Plains, while the altitude mitigates the climate and temperatures of the mountain areas of the island’s interior.

The sea water temperature is constantly between 26°C and 29°C.

WHEN TO GO TO JAVA

The best time to visit the island of Java are the months between July and October, which are drier and less rainy.

JAVA CLIMATIC TABLES

JAKARTA (25 metres)
Month Average low (°C) Average high (°C) Precip. (mm) Precip. days
January 23,3 28,9 299,9
February 23,3 28,9 299,7
March 23,3 29,4 210,8
April 23,9 30,0 147,3
May 23,9 30,6 132,1
June 23,3 30,0 96,5
July 22,8 30,0 63,5
August 22,8 30,6 43,2
September 22,8 31,1 66,0
October 23,3 31,1 111,8
November 23,3 30,6 142,2
December 23,3 29,4 203,2
YEAR 23,3 30,1 1816  130

SURABAYA (5 metres)
Month Average low (°C) Average high (°C) Precip. (mm) Precip. days
January 24 32 327  17
February 24 31 275  18
March 24 32 283  19
April 25 31 181  15
May 24 32 159  13
June 23 31 101  11
July 23 31 22  7
August 22 30 15  3
September 23 33 17  4
October 24 33 47  5
November 24 33 105  12
December 24 32 219  23
YEAR 24 32 1751  147

CILICAP (Java)
Month Sea Water Temperature °C
January 29
February 29
March 29
April 29
May 29
June 28
July 27
August 26
September 26
October 27
November 28
December 29
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