Surabaya Weather in August
Average highs run from 31°C on August 1 to 32°C on August 31, and lows from 25°C to 25°C. Normal precipitation for the month is 9 mm over about 3 wet days.
August day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
August at a glance
- Average high
- 31°C
- Average low
- 25°C
- Precipitation
- 9 mm
- Reanalysis high
- 33°CAug 21, 1996
- Reanalysis low
- 23°CAug 12, 2013
- Daylight
- 11 h 48 min to 11 h 57 min
- Cloud cover
- 33%
- Humidity
- 68%
- Dew point
- 21°C
- Wind
- 18.0 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Aug 1 | 31°C | 25°C | 32°C 2018 | 24°C 2001 | 11% |
| Aug 2 | 31°C | 25°C | 32°C 1996 | 23°C 2007 | 10% |
| Aug 3 | 31°C | 25°C | 32°C 1996 | 23°C 2001 | 10% |
| Aug 4 | 31°C | 25°C | 32°C 2008 | 23°C 1991 | 10% |
| Aug 5 | 31°C | 25°C | 32°C 1997 | 24°C 2011 | 10% |
| Aug 6 | 31°C | 25°C | 32°C 1996 | 23°C 2001 | 10% |
| Aug 7 | 31°C | 25°C | 32°C 2002 | 23°C 2004 | 9% |
| Aug 8 | 31°C | 25°C | 32°C 2003 | 24°C 2004 | 8% |
| Aug 9 | 31°C | 25°C | 33°C 2003 | 24°C 2004 | 8% |
| Aug 10 | 31°C | 25°C | 32°C 2002 | 24°C 1991 | 7% |
| Aug 11 | 31°C | 25°C | 32°C 2018 | 24°C 2013 | 7% |
| Aug 12 | 31°C | 25°C | 32°C 2018 | 23°C 2013 | 6% |
| Aug 13 | 31°C | 25°C | 32°C 1992 | 23°C 2002 | 6% |
| Aug 14 | 31°C | 25°C | 32°C 1996 | 23°C 1994 | 6% |
| Aug 15 | 31°C | 25°C | 32°C 2003 | 24°C 1997 | 6% |
| Aug 16 | 31°C | 25°C | 32°C 2003 | 24°C 1991 | 6% |
| Aug 17 | 31°C | 25°C | 33°C 2003 | 24°C 2004 | 6% |
| Aug 18 | 31°C | 25°C | 33°C 2003 | 24°C 1997 | 5% |
| Aug 19 | 31°C | 25°C | 33°C 1996 | 24°C 1994 | 5% |
| Aug 20 | 31°C | 25°C | 33°C 1996 | 23°C 1997 | 5% |
| Aug 21 | 31°C | 25°C | 33°C 1996 | 23°C 1997 | 5% |
| Aug 22 | 31°C | 25°C | 33°C 1996 | 23°C 1997 | 5% |
| Aug 23 | 31°C | 25°C | 32°C 1995 | 24°C 1994 | 6% |
| Aug 24 | 32°C | 25°C | 33°C 1996 | 24°C 2013 | 6% |
| Aug 25 | 32°C | 25°C | 33°C 1996 | 24°C 1994 | 6% |
| Aug 26 | 32°C | 25°C | 33°C 2020 | 24°C 2007 | 6% |
| Aug 27 | 32°C | 25°C | 32°C 2014 | 24°C 2006 | 6% |
| Aug 28 | 32°C | 25°C | 33°C 1995 | 24°C 2006 | 6% |
| Aug 29 | 32°C | 25°C | 33°C 2020 | 24°C 1994 | 6% |
| Aug 30 | 32°C | 25°C | 33°C 1996 | 24°C 1994 | 6% |
| Aug 31 | 32°C | 25°C | 33°C 1996 | 23°C 1994 | 6% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+7).
- August 1
- sunrise 5:41 AM, sunset 5:29 PM
- August 31
- sunrise 5:31 AM, sunset 5:28 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.