Monona County climate

Monona County Weather in January

NOAA 1991-2020 normals for Castana Exp Farm, 10.3 km from Monona County

Average highs run from 29°F on January 1 to 30°F on January 31, and lows from 12°F to 10°F. Normal precipitation for the month is 0.63 in over about 5 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 Monona County, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
29°F
Average low
10°F
Precipitation
0.63 in
Snowfall
7.1 in
Record high
69°FJan 5, 2012
Record low
-25°FJan 1, 2018
Chance of a freeze
100%
Daylight
9 h 11 min to 10 h 00 min
Cloud cover
64%
Humidity
83%
Dew point
16°F
Wind
11.9 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 129°F12°F52°F 2004-25°F 201818%13%
Jan 229°F12°F58°F 2004-24°F 201818%13%
Jan 329°F12°F48°F 1997-15°F 201018%13%
Jan 429°F12°F56°F 2012-23°F 201018%13%
Jan 529°F11°F69°F 2012-23°F 201018%13%
Jan 628°F11°F57°F 2026-15°F 201418%13%
Jan 728°F11°F66°F 2003-10°F 201418%13%
Jan 828°F11°F66°F 2003-7°F 201018%13%
Jan 928°F11°F54°F 2012-15°F 199918%13%
Jan 1028°F11°F62°F 2012-6°F 201018%13%
Jan 1128°F10°F61°F 2022-9°F 199718%13%
Jan 1228°F10°F58°F 2022-12°F 201118%13%
Jan 1328°F10°F55°F 2022-15°F 202418%13%
Jan 1428°F10°F53°F 2006-23°F 202418%13%
Jan 1528°F10°F64°F 2006-19°F 200918%13%
Jan 1628°F10°F51°F 2013-17°F 200718%13%
Jan 1728°F10°F50°F 2015-19°F 200318%13%
Jan 1828°F10°F63°F 2022-7°F 200818%13%
Jan 1928°F10°F68°F 2014-14°F 200818%13%
Jan 2028°F10°F52°F 2018-20°F 202418%13%
Jan 2129°F10°F53°F 2002-14°F 202518%13%
Jan 2229°F10°F56°F 2002-9°F 200818%13%
Jan 2329°F10°F60°F 2004-14°F 200318%13%
Jan 2429°F10°F52°F 2014-20°F 200818%13%
Jan 2529°F10°F63°F 2002-7°F 202618%13%
Jan 2629°F10°F68°F 2002-10°F 202617%13%
Jan 2729°F10°F60°F 2006-12°F 200417%13%
Jan 2829°F10°F63°F 2025-14°F 201417%13%
Jan 2929°F10°F58°F 2022-12°F 201917%13%
Jan 3030°F10°F69°F 2012-16°F 201917%13%
Jan 3130°F10°F60°F 2012-6°F 202617%13%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Monona 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).

January 1
sunrise 7:52 AM, sunset 5:03 PM
January 31
sunrise 7:38 AM, sunset 5:38 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00131277 (Castana Exp Farm), public domain. Records: NOAA GHCN-Daily, station USW00094978, 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.