Geronimo climate

Geronimo Weather in December

NOAA 1991-2020 normals for Austin San Antonio, 7.4 km from Geronimo

Average highs run from 68°F on December 1 to 64°F on December 31, and lows from 45°F to 40°F. Normal precipitation for the month is 2.42 in over about 6 wet days.

December day by day

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

Normal daily high and low temperature at Geronimo, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
65°F
Average low
42°F
Precipitation
2.42 in
Record high
88°FDec 31, 2024
Record low
15°FDec 23, 2022
Chance of a freeze
88%
Daylight
10 h 23 min to 10 h 16 min
Cloud cover
60%
Humidity
72%
Dew point
43°F
Wind
9.4 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 168°F45°F85°F 201924°F 202021%
Dec 268°F44°F82°F 201230°F 202021%
Dec 368°F44°F81°F 201234°F 202021%
Dec 468°F44°F86°F 201331°F 202021%
Dec 567°F44°F85°F 201733°F 202021%
Dec 667°F43°F78°F 201432°F 201321%
Dec 767°F43°F82°F 202227°F 201121%
Dec 867°F43°F82°F 202228°F 201321%
Dec 966°F43°F81°F 202227°F 201021%
Dec 1066°F42°F82°F 202429°F 201321%
Dec 1166°F42°F86°F 202127°F 201221%
Dec 1266°F42°F81°F 201526°F 201221%
Dec 1366°F42°F75°F 201527°F 201021%
Dec 1466°F42°F81°F 202231°F 201021%
Dec 1565°F42°F79°F 201927°F 201321%
Dec 1665°F41°F82°F 201930°F 201321%
Dec 1765°F41°F81°F 202126°F 202021%
Dec 1865°F41°F80°F 202428°F 201921%
Dec 1965°F41°F82°F 201226°F 201621%
Dec 2065°F41°F83°F 201226°F 201621%
Dec 2164°F41°F76°F 201027°F 201221%
Dec 2264°F41°F79°F 201731°F 201221%
Dec 2364°F40°F81°F 202515°F 202221%
Dec 2464°F40°F82°F 201516°F 202221%
Dec 2564°F40°F80°F 202519°F 202221%
Dec 2664°F40°F81°F 201623°F 202221%
Dec 2764°F40°F83°F 201624°F 201021%
Dec 2864°F40°F82°F 202128°F 201021%
Dec 2964°F40°F82°F 201628°F 201221%
Dec 3064°F40°F83°F 202127°F 201221%
Dec 3164°F40°F88°F 202430°F 201921%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Geronimo, in percent.05101520251102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:09 AM, sunset 5:32 PM
December 31
sunrise 7:27 AM, sunset 5:43 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00012971 (Austin San Antonio), public domain. Records: NOAA GHCN-Daily, station USC00416273, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.