Castro climate

Castro Weather in October

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

Average highs run from 24°C on October 1 to 26°C on October 31, and lows from 13°C to 14°C. Normal precipitation for the month is 161 mm over about 16 wet days.

October day by day

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

Normal daily high and low temperature at Castro, in °C, with the record for each date.010203040151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

October at a glance

Average high
26°C
Average low
14°C
Precipitation
161 mm
Reanalysis high
35°COct 6, 2020
Reanalysis low
6°COct 28, 2016
Daylight
12 h 20 min to 13 h 02 min
Cloud cover
72%
Humidity
80%
Dew point
15°C
Wind
6.1 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
Oct 124°C13°C33°C 20209°C 199152%
Oct 224°C13°C35°C 20209°C 199151%
Oct 325°C13°C30°C 20198°C 199950%
Oct 425°C13°C30°C 20196°C 201751%
Oct 525°C13°C33°C 20198°C 199952%
Oct 625°C13°C35°C 20208°C 200051%
Oct 725°C13°C32°C 20077°C 200051%
Oct 825°C13°C32°C 20207°C 201351%
Oct 925°C14°C31°C 20078°C 199950%
Oct 1025°C14°C33°C 20077°C 199550%
Oct 1125°C14°C32°C 20197°C 199551%
Oct 1226°C14°C34°C 20199°C 201052%
Oct 1326°C14°C33°C 20199°C 201051%
Oct 1426°C14°C31°C 19999°C 199551%
Oct 1526°C14°C32°C 20149°C 200351%
Oct 1626°C14°C33°C 20148°C 200350%
Oct 1726°C14°C33°C 20149°C 200351%
Oct 1826°C14°C31°C 201910°C 201252%
Oct 1926°C14°C31°C 201710°C 199553%
Oct 2026°C14°C31°C 200710°C 201153%
Oct 2126°C14°C30°C 201510°C 200453%
Oct 2226°C14°C29°C 20009°C 199552%
Oct 2326°C14°C30°C 20007°C 200153%
Oct 2426°C14°C30°C 20029°C 200152%
Oct 2526°C14°C31°C 201910°C 200151%
Oct 2626°C14°C32°C 201911°C 199950%
Oct 2726°C14°C32°C 201911°C 201050%
Oct 2826°C14°C31°C 20196°C 201650%
Oct 2926°C14°C33°C 20077°C 201350%
Oct 3026°C14°C35°C 20199°C 199551%
Oct 3126°C14°C32°C 201910°C 199551%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Castro, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT-3).

October 1
sunrise 6:00 AM, sunset 6:20 PM
October 31
sunrise 5:33 AM, sunset 6:35 PM

Every day of October: 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.