Surabaya weather in December 2025
Surabaya weather in December 2025
Day
32 °C
Night
24 °C
Sea
29 °C
Precipitation
245 mm
in month
Rainy days
20 days
in month
Daylight
12 hours
average
Sunshine
7 hours
average
Humidity
79 %
Day
32 °C
Night
24 °C
Sea
29 °C
Precipitation
245 mm
in month
Rainy days
20 days
in month
Daylight
12 hours
average
Sunshine
7 hours
average
Humidity
79 %
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Weather overview for Surabaya
Weather overview
In December in Surabaya, the average air temperature ranges from 32 °C (89 °F) during the day to 24 °C (76 °F) at night. There are 20 days of rain on average, where the rainfall is 245 mm (9.65 in).
Is December a good month to visit Surabaya?
Surabaya can be visited in December - the weather will be moderate. December is the wet season month in Surabaya, which means that there may be more frequent rains during your stay.
What is the sea temperature in December in Surabaya?
The sea will reach 29 °C (85 °F) in Surabaya in December. 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 temperature in Surabaya during the day in December?
In Surabaya in December, the average daily temperatures will be 32 °C (89 °F). The great temperature for lying by the sea or pool and sunbathing, everywhere else you will probably be a bit hot. Don't forget to drink during the day, in these temperatures you should hydrate yourself a lot.
How many days of precipitation on average can I expect in December in Surabaya?
There are 20 days, which are rainy in Surabaya in December, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 4.6 days of the week, or in general - 65 % days.
What is the night temperature in Surabaya in December?
The average night temperature in December in Surabaya is 24 °C (76 °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.
How heavy is the precipitation in December in Surabaya?
There is precipitation of 245 mm (9.65 in) in December in Surabaya, which means 8 mm (0.32 in) rainfall per day on average.
Is it hot in December in Surabaya?
In Surabaya in December, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
Is there a wet season in December in Surabaya?
Yes, in December in Surabaya there is a wet season with 20 days, when there is rain in a month.
How many sunny hours can I expect in December in Surabaya?
In Surabaya in December, you can expect around 7 hours of sunshine.
How windy is Surabaya in December?
In Surabaya in December, there will be an average wind scale of 2. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.
How long is the day (from dawn till dusk) in Surabaya in December?
The length of daylight in December in Surabaya is 12 hours.
Is the weather in Surabaya warmer in December than in November?
No, in December in Surabaya the temperature is not higher than in November.
Is Surabaya rainier in December than in January?
No, in Surabaya in December it does not rain more than in January.
What is the humidity in Surabaya in December?
In December in Surabaya, expect humidity around 79 %. This humidity is rather above average, but except for sensitive individuals, it should not be a problem.