Surabaya climate

Surabaya Weather in July

NASA POWER reanalysis for the half-degree grid cell around Surabaya, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 30°C on July 1 to 31°C on July 31, and lows from 25°C to 25°C. Normal precipitation for the month is 31 mm over about 6 wet days.

July day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Surabaya, in °C, with the record for each date.22242628303234151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

July at a glance

Average high
30°C
Average low
25°C
Precipitation
31 mm
Reanalysis high
32°CJul 21, 1996
Reanalysis low
23°CJul 15, 2006
Daylight
11 h 42 min to 11 h 47 min
Cloud cover
42%
Humidity
73%
Dew point
22°C
Wind
16.9 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Jul 130°C25°C31°C 201823°C 201221%
Jul 230°C25°C31°C 199623°C 200121%
Jul 330°C25°C31°C 201923°C 200122%
Jul 430°C25°C31°C 199623°C 200122%
Jul 530°C25°C32°C 199623°C 199422%
Jul 630°C25°C31°C 201924°C 199722%
Jul 730°C25°C31°C 200323°C 199721%
Jul 830°C25°C31°C 199623°C 199421%
Jul 930°C25°C31°C 201824°C 199720%
Jul 1030°C25°C31°C 200224°C 199720%
Jul 1130°C25°C32°C 200224°C 199419%
Jul 1230°C25°C32°C 200223°C 200619%
Jul 1330°C25°C31°C 200823°C 200619%
Jul 1430°C25°C31°C 199623°C 200618%
Jul 1530°C25°C31°C 199623°C 200619%
Jul 1630°C25°C32°C 199624°C 200619%
Jul 1730°C25°C32°C 199623°C 199320%
Jul 1830°C25°C32°C 201823°C 199119%
Jul 1930°C25°C32°C 199624°C 199918%
Jul 2030°C25°C32°C 201924°C 199418%
Jul 2130°C25°C32°C 199623°C 199717%
Jul 2230°C25°C32°C 199624°C 200016%
Jul 2331°C25°C32°C 201824°C 199416%
Jul 2431°C25°C32°C 199624°C 199416%
Jul 2531°C25°C32°C 199624°C 199415%
Jul 2631°C25°C32°C 201924°C 199714%
Jul 2731°C25°C32°C 201924°C 199414%
Jul 2831°C25°C32°C 199624°C 199414%
Jul 2931°C25°C32°C 201824°C 199514%
Jul 3031°C25°C32°C 201824°C 202013%
Jul 3131°C25°C32°C 200224°C 201312%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Surabaya, in percent.05101520251102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+7).

July 1
sunrise 5:42 AM, sunset 5:24 PM
July 31
sunrise 5:42 AM, sunset 5:29 PM

Every day of July: sun and moon

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.