Gretna climate

Gretna Weather in December

NOAA 1991-2020 normals for Chatham, 15.4 km from Gretna

Average highs run from 54°F on December 1 to 48°F on December 31, and lows from 29°F to 25°F. Normal precipitation for the month is 3.84 in over about 9 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 Gretna, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
50°F
Average low
27°F
Precipitation
3.84 in
Snowfall
1.3 in
Record high
77°FDec 7, 2013
Record low
0°FDec 25, 1983
Chance of a freeze
100%
Daylight
9 h 49 min to 9 h 41 min
Cloud cover
63%
Humidity
81%
Dew point
32°F
Wind
4.5 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 154°F29°F73°F 200612°F 197629%1%
Dec 254°F29°F76°F 200612°F 197629%1%
Dec 353°F29°F71°F 202113°F 200229%1%
Dec 453°F28°F70°F 20125°F 200029%1%
Dec 553°F28°F74°F 19985°F 200029%1%
Dec 652°F28°F73°F 198211°F 200029%1%
Dec 752°F28°F77°F 20137°F 200230%1%
Dec 852°F28°F77°F 19984°F 200230%1%
Dec 952°F28°F75°F 199814°F 200630%1%
Dec 1051°F28°F71°F 197815°F 200630%1%
Dec 1151°F28°F77°F 200713°F 201830%1%
Dec 1251°F27°F70°F 201511°F 197730%1%
Dec 1351°F27°F76°F 200711°F 197730%1%
Dec 1450°F27°F73°F 198411°F 198231%2%
Dec 1550°F27°F71°F 20158°F 202531%2%
Dec 1650°F27°F75°F 19848°F 202531%2%
Dec 1750°F27°F70°F 20219°F 200431%2%
Dec 1850°F27°F73°F 198416°F 200731%2%
Dec 1949°F27°F77°F 198414°F 197531%2%
Dec 2049°F27°F64°F 19977°F 200431%2%
Dec 2149°F26°F66°F 19977°F 200431%2%
Dec 2249°F26°F71°F 20138°F 198031%2%
Dec 2349°F26°F71°F 20134°F 200031%2%
Dec 2449°F26°F67°F 20155°F 202231%2%
Dec 2549°F26°F71°F 20210°F 198331%2%
Dec 2648°F26°F72°F 19820°F 198331%2%
Dec 2748°F26°F75°F 19821°F 200031%2%
Dec 2848°F26°F74°F 20159°F 200432%2%
Dec 2948°F26°F75°F 19849°F 200032%2%
Dec 3048°F25°F76°F 198410°F 197732%2%
Dec 3148°F25°F74°F 19845°F 198332%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Gretna, 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 7:12 AM, sunset 5:01 PM
December 31
sunrise 7:30 AM, sunset 5:11 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00441614 (Chatham), public domain. Records: NOAA GHCN-Daily, station USC00441082, 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.