Brown County climate

Brown County Weather in December

NOAA 1991-2020 normals for Hiawatha 1 S, 2.9 km from Brown County

Average highs run from 46°F on December 1 to 36°F on December 31, and lows from 25°F to 16°F. Normal precipitation for the month is 1.22 in over about 5 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 Brown County, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
41°F
Average low
20°F
Precipitation
1.22 in
Snowfall
3.6 in
Record high
73°FDec 16, 2021
Record low
-10°FDec 22, 2008
Chance of a freeze
100%
Daylight
9 h 33 min to 9 h 24 min
Cloud cover
59%
Humidity
81%
Dew point
24°F
Wind
11.0 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 146°F25°F57°F 200914°F 201018%5%
Dec 246°F25°F65°F 202112°F 201418%5%
Dec 345°F25°F71°F 202112°F 201418%5%
Dec 445°F24°F68°F 201711°F 200918%5%
Dec 544°F24°F68°F 201710°F 200918%6%
Dec 644°F24°F60°F 20218°F 201318%6%
Dec 744°F23°F50°F 2015-3°F 201318%6%
Dec 843°F23°F61°F 2015-3°F 201318%6%
Dec 943°F23°F53°F 2008-4°F 201318%6%
Dec 1043°F22°F64°F 2015-8°F 200918%6%
Dec 1142°F22°F62°F 2015-6°F 200918%6%
Dec 1242°F22°F59°F 2015-1°F 200918%7%
Dec 1341°F21°F56°F 20142°F 201018%7%
Dec 1441°F21°F59°F 20087°F 201018%7%
Dec 1541°F21°F63°F 2021-1°F 200818%7%
Dec 1640°F20°F73°F 2021-1°F 200818%7%
Dec 1740°F20°F57°F 2013-5°F 200818%7%
Dec 1840°F20°F50°F 2011-8°F 201618%7%
Dec 1939°F19°F65°F 2013-3°F 201618%7%
Dec 2039°F19°F55°F 20135°F 201619%7%
Dec 2139°F19°F53°F 2015-4°F 200819%8%
Dec 2238°F18°F48°F 2021-10°F 200819%8%
Dec 2338°F18°F52°F 2021-10°F 202219%8%
Dec 2438°F18°F62°F 2021-7°F 202219%8%
Dec 2538°F18°F64°F 2021-3°F 202219%8%
Dec 2637°F17°F63°F 2016-3°F 202219%8%
Dec 2737°F17°F65°F 2008-1°F 201719%8%
Dec 2837°F17°F51°F 2013-1°F 201719%8%
Dec 2937°F17°F54°F 20213°F 201318%8%
Dec 3037°F16°F63°F 20223°F 200918%8%
Dec 3136°F16°F68°F 20108°F 200918%8%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Brown County, in percent, and of at least 0.1 inch of snowfall.051015201102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 7:25 AM, sunset 4:58 PM
December 31
sunrise 7:43 AM, sunset 5:07 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00143634 (Hiawatha 1 S), public domain. Records: NOAA GHCN-Daily, station USC00143634, 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.