Blue Mound climate

Blue Mound Weather in December

NOAA 1991-2020 normals for Decatur Wtp, 20.5 km from Blue Mound

Average highs run from 43°F on December 1 to 35°F on December 31, and lows from 29°F to 22°F. Normal precipitation for the month is 2.40 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 Blue Mound, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
39°F
Average low
25°F
Precipitation
2.40 in
Snowfall
3.5 in
Record high
72°FDec 29, 2025
Record low
-21°FDec 22, 1989
Chance of a freeze
100%
Daylight
9 h 35 min to 9 h 25 min
Cloud cover
69%
Humidity
84%
Dew point
27°F
Wind
11.2 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 143°F29°F64°F 198211°F 200232%5%
Dec 243°F29°F67°F 19829°F 198532%5%
Dec 343°F28°F71°F 20128°F 200632%6%
Dec 442°F28°F71°F 19985°F 199132%6%
Dec 542°F28°F69°F 19983°F 202532%6%
Dec 642°F27°F65°F 19983°F 198432%6%
Dec 741°F27°F69°F 19982°F 200532%6%
Dec 841°F27°F62°F 19802°F 200532%6%
Dec 941°F27°F63°F 1991-3°F 200531%6%
Dec 1040°F26°F57°F 1990-6°F 199531%7%
Dec 1140°F26°F61°F 19791°F 199531%7%
Dec 1240°F26°F65°F 19791°F 201331%7%
Dec 1339°F26°F62°F 19912°F 198931%7%
Dec 1439°F25°F57°F 2006-5°F 198931%7%
Dec 1539°F25°F58°F 1984-6°F 198931%7%
Dec 1638°F25°F62°F 1984-14°F 198931%7%
Dec 1738°F25°F65°F 1984-13°F 198930%7%
Dec 1838°F24°F61°F 1984-6°F 198530%8%
Dec 1938°F24°F58°F 2002-14°F 198330%8%
Dec 2037°F24°F59°F 1997-17°F 198930%8%
Dec 2137°F24°F65°F 1988-13°F 198930%8%
Dec 2237°F24°F59°F 1984-21°F 198930%8%
Dec 2337°F23°F57°F 2025-21°F 198930%8%
Dec 2436°F23°F62°F 2025-20°F 198930%8%
Dec 2536°F23°F63°F 2023-14°F 198330%8%
Dec 2636°F23°F62°F 2025-9°F 198329%8%
Dec 2736°F22°F63°F 2008-6°F 198329%8%
Dec 2835°F22°F68°F 20252°F 200029%9%
Dec 2935°F22°F72°F 2025-7°F 198129%9%
Dec 3035°F22°F64°F 1984-12°F 198329%9%
Dec 3135°F22°F59°F 1992-8°F 198329%9%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Blue Mound, 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 (CST).

December 1
sunrise 6:58 AM, sunset 4:33 PM
December 31
sunrise 7:17 AM, sunset 4:42 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00112193 (Decatur Wtp), public domain. Records: NOAA GHCN-Daily, station USC00115841, 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.