Jonestown climate

Jonestown Weather in December

NOAA 1991-2020 normals for Austin Great Hills, 17.5 km from Jonestown

Average highs run from 64°F on December 1 to 59°F on December 31, and lows from 42°F to 37°F. Normal precipitation for the month is 2.76 in over about 8 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 Jonestown, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
61°F
Average low
39°F
Precipitation
2.76 in
Record high
87°FDec 30, 2024
Record low
10°FDec 23, 2022
Chance of a freeze
98%
Daylight
10 h 19 min to 10 h 13 min
Cloud cover
57%
Humidity
71%
Dew point
39°F
Wind
9.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Dec 164°F42°F77°F 201232°F 202023%0%
Dec 264°F42°F80°F 201331°F 202523%0%
Dec 364°F41°F81°F 201331°F 200923%0%
Dec 464°F41°F80°F 201727°F 200923%0%
Dec 564°F41°F75°F 201923°F 200924%0%
Dec 663°F40°F75°F 202524°F 201324%0%
Dec 763°F40°F78°F 202221°F 201324%0%
Dec 863°F40°F80°F 202224°F 201324%0%
Dec 963°F40°F82°F 201927°F 200924%0%
Dec 1063°F39°F82°F 202127°F 200924%0%
Dec 1162°F39°F73°F 201529°F 201324%0%
Dec 1262°F39°F72°F 201529°F 201324%0%
Dec 1362°F39°F77°F 202531°F 201025%0%
Dec 1462°F38°F78°F 202429°F 202025%0%
Dec 1562°F38°F77°F 202127°F 200825%0%
Dec 1661°F38°F77°F 202425°F 200825%0%
Dec 1761°F38°F78°F 202426°F 201625%0%
Dec 1861°F38°F82°F 201220°F 201625%0%
Dec 1961°F38°F79°F 201218°F 201625%0%
Dec 2061°F37°F78°F 202530°F 201625%0%
Dec 2160°F37°F80°F 201030°F 200825%0%
Dec 2260°F37°F79°F 201812°F 202225%0%
Dec 2360°F37°F78°F 202510°F 202224%0%
Dec 2460°F37°F76°F 202515°F 202224%0%
Dec 2560°F37°F80°F 202125°F 202224%0%
Dec 2660°F37°F85°F 202522°F 201224%0%
Dec 2759°F37°F80°F 202427°F 201224%0%
Dec 2859°F37°F80°F 201630°F 200924%0%
Dec 2959°F37°F76°F 202429°F 201324%0%
Dec 3059°F37°F87°F 202428°F 201324%0%
Dec 3159°F37°F78°F 201121°F 201724%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Jonestown, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:11 AM, sunset 5:30 PM
December 31
sunrise 7:28 AM, sunset 5:41 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00410433 (Austin Great Hills), public domain. Records: NOAA GHCN-Daily, station USW00023907, 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.