Rio Claro climate

Rio Claro Weather in October

NASA POWER reanalysis for the half-degree grid cell around Rio Claro, 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 October 1 to 29°C on October 31, and lows from 25°C to 25°C. Normal precipitation for the month is 158 mm over about 25 wet days.

October day by day

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

Normal daily high and low temperature at Rio Claro, in °C, with the record for each date.2025303540151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
30°C
Average low
25°C
Precipitation
158 mm
Record high
36°COct 17, 2016
Record low
21°COct 29, 2018
Daylight
12 h 02 min to 11 h 46 min
Cloud cover
61%
Humidity
82%
Dew point
24°C
Wind
17.6 km/h

Every day of the month

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

DateNormal highNormal lowRecord highRecord lowChance wet
Oct 130°C25°C35°C 201022°C 201375%
Oct 230°C25°C35°C 200523°C 200575%
Oct 330°C25°C35°C 200522°C 202175%
Oct 430°C25°C35°C 201023°C 202176%
Oct 530°C25°C35°C 201523°C 201378%
Oct 630°C25°C35°C 201723°C 202477%
Oct 730°C25°C36°C 201323°C 202477%
Oct 830°C25°C35°C 200823°C 201776%
Oct 930°C25°C35°C 200923°C 201776%
Oct 1030°C25°C35°C 201023°C 201775%
Oct 1130°C25°C34°C 201223°C 201975%
Oct 1230°C25°C35°C 200523°C 201974%
Oct 1330°C25°C35°C 201323°C 202274%
Oct 1430°C25°C35°C 201322°C 202073%
Oct 1530°C25°C35°C 201622°C 200772%
Oct 1630°C25°C36°C 201622°C 201271%
Oct 1730°C25°C36°C 201622°C 201271%
Oct 1830°C25°C36°C 201621°C 201371%
Oct 1930°C25°C36°C 201622°C 201372%
Oct 2030°C25°C36°C 201622°C 202072%
Oct 2130°C25°C36°C 201522°C 200973%
Oct 2230°C25°C36°C 201521°C 201972%
Oct 2330°C25°C35°C 201622°C 202174%
Oct 2430°C25°C35°C 201622°C 202175%
Oct 2530°C25°C35°C 200823°C 201077%
Oct 2630°C25°C35°C 202322°C 200778%
Oct 2730°C25°C35°C 201223°C 201079%
Oct 2830°C25°C35°C 201223°C 202179%
Oct 2929°C25°C35°C 201521°C 201880%
Oct 3029°C25°C35°C 201222°C 201880%
Oct 3129°C25°C34°C 202422°C 202180%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (AST).

October 1
sunrise 5:53 AM, sunset 5:55 PM
October 31
sunrise 5:55 AM, sunset 5:41 PM

Every day of October: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station TDM00078970, every year on file, quality-flagged values removed. 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.