East Java - Indonesia weather in January 2026
East Java - Indonesia weather in January 2026
Day
30 °C
Night
22 °C
Sea
29 °C
Precipitation
391 mm
in month
Rainy days
22 days
in month
Daylight
12 hours
average
Sunshine
6 hours
average
Humidity
84 %
Day
30 °C
Night
22 °C
Sea
29 °C
Precipitation
391 mm
in month
Rainy days
22 days
in month
Daylight
12 hours
average
Sunshine
6 hours
average
Humidity
84 %
Overview: East Java - Indonesia
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Weather overview and FAQs
Weather overview
In East Java in January, the average air temperature ranges from 30 °C (85 °F) during the day to 22 °C (72 °F) at night. There are 22 days of rain on average, where the rainfall is 391 mm (15.38 in).
Is January a good month to visit East Java?
East Java can be visited in January - the weather will be moderate. In January in East Java, there is a wet season, which means that it could rain more often there during your stay.
What is the temperature in East Java during the day in January?
In East Java in January, the average daily temperatures will be 30 °C (85 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.
What is the sea temperature in January in East Java?
In January in East Java expect the sea to be warm at 29 °C (84 °F). This temperature is someone's dream come true, while for someone it may no longer be ideal for the purpose of refreshment.
What is the average number of rainy days in East Java in January?
In January in East Java, we can expect 22 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 5.1 days of the week, or in general - 73 % days.
What is the rainfall intensity in January in East Java?
There is precipitation of 391 mm (15.38 in) in East Java in January, which means 13 mm (0.51 in) rainfall per day on average.
What is the night temperature in East Java in January?
The average night temperature in East Java in January is 22 °C (72 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.
Is there a wet season in East Java in January?
Yes, in East Java in January there is a wet season with 22 days, when there is rain in a month.
Is it hot in East Java in January?
In January in East Java, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
How many hours of sun to expect in January in East Java?
There is an average length of sunshine of 6 hours per day in East Java in January.
How long is the day (from dawn till dusk) in East Java in January?
The length of daylight in East Java in January is 12 hours.
What is the humidity in East Java in January?
Humidity in East Java in January is 84 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.
Is East Java rainier in January than in February?
No, in January in East Java it does not rain more than in February.
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