Yearly weather and climate in Surabaya, Indonesia
The yearly weather in Surabaya runs from around 24°C in July to 33°C in October. August is the driest month at 2 rainy days; January the wettest at 30. Here is the annual climate data, so you know what you are packing for.
Best time to visit
The best weather is typically in Jul, Aug, with mild temperatures and lower rainfall.
Sunshine
Expect up to 11.1 hours of clear skies in Sep, but only 8.5 hours in Feb. Pack sunglasses and SPF accordingly.
Rainfall
It rains the most in Feb (363mm over 28 days). A reliable rain jacket is a must-have if visiting then.
Day-to-night swings
Temperatures typically drop by 6°C from day to night. Make sure to pack layers for the evenings.
Average temperatures and rainfall
Daily highs and lows in Surabaya, averaged over 10 years of recorded weather, with the number of days it typically rains.
- 3087°2576°30Jan
- 3086°2576°28Feb
- 3087°2577°28Mar
- 3187°2577°23Apr
- 3187°2678°13May
- 3187°2577°11Jun
- 3187°2475°4Jul
- 3189°2475°2Aug
- 3290°2476°4Sep
- 3391°2577°10Oct
- 3289°2577°22Nov
- 3187°2577°28Dec
Bars span the average daily low to high. Numbers under the drop are rainy days per month (1mm or more) — hover a month for its total rainfall. Aug is typically driest at 2 days (13mm); Jan the wettest at 30 days (316mm).
| Month | Average high | Average low | Rainy days | Total rainfall |
|---|---|---|---|---|
| Jan | 30°C | 25°C | 30 | 316mm |
| Feb | 30°C | 25°C | 28 | 363mm |
| Mar | 30°C | 25°C | 28 | 291mm |
| Apr | 31°C | 25°C | 23 | 199mm |
| May | 31°C | 26°C | 13 | 107mm |
| Jun | 31°C | 25°C | 11 | 58mm |
| Jul | 31°C | 24°C | 4 | 20mm |
| Aug | 31°C | 24°C | 2 | 13mm |
| Sep | 32°C | 24°C | 4 | 14mm |
| Oct | 33°C | 25°C | 10 | 67mm |
| Nov | 32°C | 25°C | 22 | 231mm |
| Dec | 31°C | 25°C | 28 | 314mm |
Weather data by Open-Meteo.com
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