31 to 34°C
temperature
3076 hours
sunshine per day
1606 mm
rain
72 days
dry
293 days
rain
0 days
snow

Climate of Surabaya

Surabaya has a tropical rainforest climate. It is usually (very) warm, humid and rainy all year round. The average annual temperature for Surabaya is 32° degrees and there is about 1605 mm of rain in a year. It is dry for 60 days a year with an average humidity of 80% and an UV-index of 7.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between 31°C and 34°C
  • Night:the average nighttime temperature is between 21°C and 23°C
  • Rain: it rains 293 days and there is a total of approximately 1606 mm rainfall
  • Sun hours: throughout the year there are 3076 sun hours
Maximum temperature: between 31°C and 34°C
Warmest month: 34°C in September
Coldest month: 31°C in January
Night temperature: between 21°C and 23°C
Dry days: 72 days
Days with rain: 293 days
Days with snow: 0 days
Total rain sum: 1606 mm
Hours of sunshine: 3076 hours

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Surabaya.

Precipitation graph

This graph shows the average amount of rainfall per month for Surabaya.

Climate table of Surabaya

In this climate table you can see at a glance what the average weather per month is for Surabaya. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Surabaya might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 31 31 32 32 32 32 32 33 34 34 33 31
Night temp. (°C) 22 22 22 22 22 22 21 21 22 23 23 22
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 202 216 218 181 96 55 40 40 54 110 184 210
Days with rain 29 27 30 29 27 21 15 15 17 24 29 30
Dry days 2 1 1 1 4 9 16 16 13 7 1 1
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 8 8 8 8 7 8 9 9 10 9 9 10
Wind force (Bft) 1 1 1 1 1 1 1 1 1 1 1 1
UV-index 6 6 7 7 7 7 7 7 7 7 7 7

Best time to visit Surabaya

The best time to visit Surabaya in Indonesia is from May through July. In this period you have a warm temperature and little precipitation. The highest average temperature in Surabaya is 34°C in September and the lowest is 31°C in January.

Climate of Surabaya by month

What is the average climate in a given month for Surabaya? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

Surabaya weather experiences

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