Rio Claro climate

Rio Claro Weather in January

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 29°C on January 1 to 29°C on January 31, and lows from 24°C to 23°C. Normal precipitation for the month is 81 mm over about 16 wet days.

January day by day

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

Normal daily high and low temperature at Rio Claro, in °C, with the record for each date.20222426283032151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

January at a glance

Average high
29°C
Average low
23°C
Precipitation
81 mm
Reanalysis high
31°CJan 26, 1996
Reanalysis low
21°CJan 27, 2008
Daylight
11 h 32 min to 11 h 41 min
Cloud cover
46%
Humidity
76%
Dew point
21°C
Wind
24.1 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
Jan 129°C24°C30°C 201023°C 201958%
Jan 229°C24°C31°C 199622°C 200158%
Jan 329°C24°C30°C 199622°C 200156%
Jan 429°C24°C30°C 199622°C 202056%
Jan 529°C24°C30°C 199622°C 199957%
Jan 629°C24°C30°C 199622°C 199557%
Jan 729°C24°C30°C 199622°C 199556%
Jan 829°C24°C30°C 199622°C 201853%
Jan 929°C24°C31°C 199622°C 200152%
Jan 1029°C24°C31°C 199621°C 199551%
Jan 1129°C24°C31°C 199622°C 200150%
Jan 1229°C23°C30°C 199622°C 199549%
Jan 1329°C23°C30°C 199622°C 200149%
Jan 1429°C23°C31°C 199622°C 201749%
Jan 1529°C23°C30°C 201022°C 200048%
Jan 1629°C23°C30°C 200422°C 200048%
Jan 1729°C23°C30°C 201022°C 199246%
Jan 1829°C23°C30°C 199522°C 201346%
Jan 1929°C23°C30°C 201022°C 199446%
Jan 2029°C23°C30°C 201021°C 199445%
Jan 2129°C23°C30°C 201022°C 199444%
Jan 2229°C23°C30°C 201022°C 200145%
Jan 2329°C23°C30°C 199622°C 202046%
Jan 2429°C23°C30°C 201022°C 199646%
Jan 2529°C23°C31°C 199622°C 199246%
Jan 2629°C23°C31°C 199622°C 200145%
Jan 2729°C23°C31°C 199621°C 200845%
Jan 2829°C23°C31°C 199622°C 200844%
Jan 2929°C23°C30°C 199522°C 199844%
Jan 3029°C23°C30°C 199521°C 199243%
Jan 3129°C23°C31°C 199521°C 199242%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (AST).

January 1
sunrise 6:22 AM, sunset 5:54 PM
January 31
sunrise 6:28 AM, sunset 6:09 PM

Every day of January: 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.