When is the best time to visit Surabaya?
- The best time for a sunbathing holiday is September, October, November. Average maximum temperatures are up to +33°C in October and it has 5 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during January - December.
- If you want to avoid wet weather, then your choice is January, February, March with the lowest chance of rain.
Average weather in Surabaya in different months
In July, August, September the weather is great. There are an average of 13 sunny days in August and the temperature ranges from +24°C to +31°C.
June, October usually has good weather. Average maximum temperature reaches +33°C during October.
In January, February, March, April, May, November, December the weather is average. Expect around 157 rainy days, and the precipitation amounts to approximately 261 mm in January.
Climate in Surabaya
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +35°C | +34°C | +35°C | +35°C | +35°C | +35°C | +34°C | +34°C | +36°C | +37°C | +37°C | +36°C |
| Average Maximum Temperature | |||||||||||
| +31°C | +30°C | +31°C | +31°C | +31°C | +31°C | +31°C | +31°C | +32°C | +33°C | +32°C | +31°C |
| Minimum Temperature | |||||||||||
| +23°C | +22°C | +23°C | +23°C | +22°C | +22°C | +21°C | +20°C | +21°C | +20°C | +23°C | +23°C |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 83 | 83 | 82 | 81 | 77 | 76 | 73 | 70 | 68 | 69 | 75 | 80 |
| Rain, mm | |||||||||||
| 261 | 241 | 241 | 171 | 84 | 48 | 21 | 7 | 22 | 71 | 175 | 248 |
| Snow, mm | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Average wind speed, m/s | |||||||||||
| 2 | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 |
| Sunny Days | |||||||||||
| 0 | 0 | 0 | 1 | 5 | 6 | 10 | 13 | 9 | 5 | 1 | 0 |
| Cloud Days | |||||||||||
| 0 | 0 | 0 | 1 | 5 | 7 | 10 | 11 | 10 | 5 | 1 | 0 |
| Rainy Days | |||||||||||
| 25 | 23 | 23 | 21 | 18 | 15 | 10 | 7 | 10 | 19 | 23 | 24 |
| Snowy Days | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Average Temperature
Humidity
Rain
FAQ
What is the hottest month in Surabaya?
What is the coldest month in Surabaya?
Is Surabaya worth visiting in winter?
When does it rain the least in Surabaya?
Other cities in Indonesia
Monthly weather in Surabaya
Source of the data
For this page, we’ve looked at the typical weather in Surabaya, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
