Surabaya climate

Surabaya Weather in April

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 29°C on April 1 to 30°C on April 30, and lows from 27°C to 27°C. Normal precipitation for the month is 189 mm over about 24 wet days.

April 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.2426283032151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

April at a glance

Average high
29°C
Average low
27°C
Precipitation
189 mm
Reanalysis high
32°CApr 15, 2018
Reanalysis low
24°CApr 4, 2011
Daylight
12 h 02 min to 11 h 52 min
Cloud cover
71%
Humidity
81%
Dew point
24°C
Wind
10.8 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
Apr 129°C27°C31°C 200325°C 200888%
Apr 229°C27°C31°C 199625°C 201188%
Apr 329°C27°C31°C 202025°C 201187%
Apr 429°C27°C31°C 199624°C 201187%
Apr 529°C27°C31°C 201325°C 200687%
Apr 629°C27°C30°C 199826°C 199386%
Apr 729°C27°C31°C 199625°C 199387%
Apr 829°C27°C31°C 201625°C 199386%
Apr 929°C27°C31°C 201525°C 201186%
Apr 1029°C27°C31°C 201526°C 201185%
Apr 1129°C27°C31°C 200926°C 201185%
Apr 1229°C27°C31°C 200325°C 201183%
Apr 1329°C27°C31°C 200426°C 201182%
Apr 1429°C27°C31°C 200426°C 200880%
Apr 1529°C27°C32°C 201826°C 199780%
Apr 1629°C27°C31°C 200326°C 200181%
Apr 1729°C27°C31°C 200326°C 200181%
Apr 1829°C27°C30°C 200926°C 200180%
Apr 1930°C27°C31°C 200325°C 200179%
Apr 2030°C27°C31°C 201926°C 200177%
Apr 2130°C27°C31°C 200326°C 200077%
Apr 2230°C27°C31°C 201926°C 200075%
Apr 2330°C27°C31°C 201926°C 199275%
Apr 2430°C27°C31°C 201926°C 199574%
Apr 2530°C27°C31°C 201926°C 200073%
Apr 2630°C27°C31°C 201926°C 200072%
Apr 2730°C27°C31°C 201926°C 200072%
Apr 2830°C27°C31°C 201425°C 200071%
Apr 2930°C27°C31°C 201625°C 199670%
Apr 3030°C27°C31°C 200326°C 199668%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Surabaya, in percent.0204060801001102030
  • Chance of a wet day

Sunrise and sunset

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

April 1
sunrise 5:32 AM, sunset 5:34 PM
April 30
sunrise 5:30 AM, sunset 5:22 PM

Every day of April: 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.