Mountain Park climate

Mountain Park Weather in December

NOAA 1991-2020 normals for Atlanta Peachtree AP, 25 km from Mountain Park

Average highs run from 58°F on December 1 to 52°F on December 31, and lows from 38°F to 34°F. Normal precipitation for the month is 4.36 in over about 11 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 Mountain Park, in °F, with the record for each date.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
54°F
Average low
36°F
Precipitation
4.36 in
Snowfall
0.1 in
Record high
80°FDec 11, 2007
Record low
-4°FDec 13, 1962
Chance of a freeze
99%
Daylight
10 h 03 min to 9 h 55 min
Cloud cover
63%
Humidity
83%
Dew point
37°F
Wind
6.5 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 158°F38°F74°F 197012°F 197632%0%
Dec 258°F38°F78°F 199114°F 197633%0%
Dec 357°F37°F76°F 199813°F 197933%1%
Dec 457°F37°F76°F 202117°F 197933%1%
Dec 557°F37°F78°F 199819°F 196933%1%
Dec 657°F37°F77°F 199819°F 202434%1%
Dec 756°F37°F78°F 199812°F 197734%1%
Dec 856°F37°F76°F 200111°F 197734%1%
Dec 956°F37°F77°F 200716°F 196834%1%
Dec 1056°F36°F78°F 20079°F 199535%1%
Dec 1155°F36°F80°F 20079°F 199535%1%
Dec 1255°F36°F78°F 20071°F 196235%1%
Dec 1355°F36°F77°F 2007-4°F 196235%1%
Dec 1455°F36°F74°F 2015-2°F 196236%1%
Dec 1554°F36°F74°F 198413°F 198536%1%
Dec 1654°F36°F73°F 19959°F 198936%2%
Dec 1754°F35°F74°F 200610°F 198936%2%
Dec 1854°F35°F74°F 198414°F 200037%2%
Dec 1954°F35°F79°F 19848°F 196337%2%
Dec 2053°F35°F75°F 19848°F 196337%2%
Dec 2153°F35°F73°F 197810°F 198137%2%
Dec 2253°F35°F77°F 19676°F 198937%2%
Dec 2353°F35°F71°F 19703°F 198937%2%
Dec 2453°F34°F70°F 20151°F 198937%2%
Dec 2553°F34°F77°F 2025-2°F 198337%2%
Dec 2652°F34°F75°F 2016-1°F 198337%2%
Dec 2752°F34°F74°F 2015-1°F 198337%2%
Dec 2852°F34°F76°F 202516°F 197737%2%
Dec 2952°F34°F74°F 198412°F 197737%2%
Dec 3052°F34°F74°F 19846°F 198337%2%
Dec 3152°F34°F74°F 19844°F 198337%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mountain Park, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EST).

December 1
sunrise 7:25 AM, sunset 5:28 PM
December 31
sunrise 7:43 AM, sunset 5:38 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00053863 (Atlanta Peachtree AP), public domain. Records: NOAA GHCN-Daily, station USC00092485, 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.