Johnson City climate

Johnson City Weather in December

NOAA 1991-2020 normals for Johnson City 2N, 2.6 km from Johnson City

Average highs run from 67°F on December 1 to 62°F on December 31, and lows from 40°F to 35°F. Normal precipitation for the month is 1.85 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 Johnson City, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
64°F
Average low
37°F
Precipitation
1.85 in
Record high
91°FDec 30, 2024
Record low
1°FDec 23, 1989
Chance of a freeze
99%
Daylight
10 h 20 min to 10 h 14 min
Cloud cover
55%
Humidity
70%
Dew point
38°F
Wind
10.3 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 167°F40°F79°F 199822°F 201020%0%
Dec 267°F40°F82°F 201323°F 201020%0%
Dec 366°F40°F84°F 197222°F 197420%0%
Dec 466°F39°F86°F 197718°F 200620%0%
Dec 566°F39°F81°F 199817°F 200920%0%
Dec 666°F39°F89°F 199517°F 200520%0%
Dec 765°F39°F85°F 201221°F 199920%0%
Dec 865°F38°F81°F 201221°F 196820%0%
Dec 965°F38°F85°F 201919°F 200520%0%
Dec 1065°F38°F82°F 202116°F 199520%0%
Dec 1165°F38°F83°F 202115°F 196620%0%
Dec 1264°F38°F84°F 199616°F 196621%0%
Dec 1364°F37°F88°F 197311°F 196621%0%
Dec 1464°F37°F83°F 199517°F 196621%0%
Dec 1564°F37°F83°F 197316°F 200421%0%
Dec 1664°F37°F82°F 199512°F 198921%0%
Dec 1764°F37°F85°F 197713°F 198921%0%
Dec 1863°F37°F88°F 202119°F 198121%0%
Dec 1963°F36°F85°F 201216°F 199621%0%
Dec 2063°F36°F81°F 201216°F 197322%0%
Dec 2163°F36°F81°F 200819°F 197322%0%
Dec 2263°F36°F83°F 20187°F 202222%0%
Dec 2363°F36°F83°F 19661°F 198922%0%
Dec 2463°F36°F82°F 19643°F 198922%0%
Dec 2562°F36°F79°F 19649°F 198322%0%
Dec 2662°F36°F85°F 202110°F 198322%0%
Dec 2762°F35°F81°F 200521°F 198322%0%
Dec 2862°F35°F85°F 200522°F 200722%0%
Dec 2962°F35°F84°F 200514°F 198322%0%
Dec 3062°F35°F91°F 20245°F 198322%0%
Dec 3162°F35°F83°F 19737°F 198322%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Johnson City, 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 7:13 AM, sunset 5:33 PM
December 31
sunrise 7:30 AM, sunset 5:44 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00414605 (Johnson City 2N), public domain. Records: NOAA GHCN-Daily, station USC00414605, 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.