Cobb County climate

Cobb County Weather in January

NOAA 1991-2020 normals for Mableton 1 N, 9.9 km from Cobb County

Average highs run from 53°F on January 1 to 54°F on January 31, and lows from 33°F to 32°F. Normal precipitation for the month is 4.94 in over about 10 wet days.

January day by day

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

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

January at a glance

Average high
53°F
Average low
32°F
Precipitation
4.94 in
Snowfall
0.7 in
Record high
80°FJan 30, 2002
Record low
9°FJan 25, 2003
Chance of a freeze
100%
Daylight
9 h 56 min to 10 h 32 min
Cloud cover
62%
Humidity
83%
Dew point
35°F
Wind
6.9 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
Jan 153°F33°F69°F 200020°F 200131%1%
Jan 253°F33°F72°F 200519°F 200131%1%
Jan 353°F33°F69°F 200515°F 200831%1%
Jan 453°F32°F76°F 200015°F 200131%1%
Jan 553°F32°F73°F 200517°F 201031%1%
Jan 653°F32°F68°F 200516°F 201031%1%
Jan 753°F32°F70°F 200718°F 201031%1%
Jan 853°F32°F74°F 200816°F 201031%1%
Jan 953°F32°F72°F 200812°F 201031%1%
Jan 1053°F32°F72°F 200612°F 201031%1%
Jan 1153°F32°F71°F 200616°F 201031%1%
Jan 1253°F32°F70°F 200016°F 201031%1%
Jan 1353°F31°F72°F 201319°F 201132%1%
Jan 1453°F31°F73°F 200019°F 201032%1%
Jan 1553°F31°F70°F 200719°F 201132%1%
Jan 1653°F31°F71°F 200712°F 200932%1%
Jan 1753°F31°F64°F 200411°F 200932%1%
Jan 1853°F31°F66°F 200014°F 200932%1%
Jan 1953°F31°F62°F 201015°F 200332%1%
Jan 2053°F31°F66°F 201017°F 200832%1%
Jan 2153°F31°F67°F 201016°F 200832%1%
Jan 2253°F31°F70°F 200517°F 200933%1%
Jan 2353°F31°F65°F 200219°F 200533%1%
Jan 2454°F31°F67°F 200210°F 200333%1%
Jan 2554°F31°F67°F 20029°F 200333%1%
Jan 2654°F32°F67°F 201219°F 200833%1%
Jan 2754°F32°F70°F 200519°F 200033%1%
Jan 2854°F32°F65°F 200218°F 200033%1%
Jan 2954°F32°F76°F 200217°F 200733%1%
Jan 3054°F32°F80°F 200217°F 200733%1%
Jan 3154°F32°F79°F 200220°F 200733%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cobb County, 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).

January 1
sunrise 7:44 AM, sunset 5:40 PM
January 31
sunrise 7:36 AM, sunset 6:08 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00095404 (Mableton 1 N), public domain. Records: NOAA GHCN-Daily, station USC00095404, 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.