Isa climate

Isa Weather in April

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

Average highs run from 17°C on April 1 to 21°C on April 30, and lows from 7°C to 12°C. Normal precipitation for the month is 183 mm over about 12 wet days.

April day by day

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

Normal daily high and low temperature at Isa, in °C, with the record for each date.-100102030151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

April at a glance

Average high
19°C
Average low
9°C
Precipitation
183 mm
Reanalysis high
27°CApr 30, 1998
Reanalysis low
-1°CApr 10, 1993
Daylight
12 h 30 min to 13 h 24 min
Cloud cover
64%
Humidity
79%
Dew point
10°C
Wind
11.2 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 117°C7°C23°C 20151°C 200140%
Apr 217°C7°C23°C 20151°C 199640%
Apr 317°C8°C23°C 20181°C 199140%
Apr 417°C8°C24°C 20151°C 199539%
Apr 518°C8°C22°C 20150°C 200739%
Apr 618°C8°C24°C 20151°C 202038%
Apr 718°C8°C23°C 20022°C 201438%
Apr 818°C8°C24°C 20052°C 201038%
Apr 918°C9°C24°C 20051°C 199338%
Apr 1018°C9°C24°C 2001-1°C 199338%
Apr 1118°C9°C25°C 19982°C 199639%
Apr 1219°C9°C25°C 19911°C 199640%
Apr 1319°C9°C23°C 20183°C 199540%
Apr 1419°C9°C23°C 20164°C 201040%
Apr 1519°C10°C23°C 20044°C 201040%
Apr 1619°C10°C23°C 19914°C 200641%
Apr 1719°C10°C24°C 20042°C 201041%
Apr 1819°C10°C24°C 20095°C 200740%
Apr 1919°C10°C25°C 20095°C 200740%
Apr 2020°C10°C26°C 20182°C 199539%
Apr 2120°C10°C25°C 20043°C 199640%
Apr 2220°C10°C26°C 20193°C 201340%
Apr 2320°C11°C23°C 19935°C 202040%
Apr 2420°C11°C26°C 20125°C 202041%
Apr 2520°C11°C25°C 20035°C 200840%
Apr 2621°C11°C25°C 19946°C 200140%
Apr 2721°C11°C26°C 19985°C 199540%
Apr 2821°C11°C27°C 19985°C 201040%
Apr 2921°C12°C26°C 19986°C 201140%
Apr 3021°C12°C27°C 19986°C 201040%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Isa, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+9).

April 1
sunrise 6:07 AM, sunset 6:37 PM
April 30
sunrise 5:33 AM, sunset 6:57 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.