Monona climate

Monona Weather in January

NOAA 1991-2020 normals for Postville, 14.4 km from Monona

Average highs run from 27°F on January 1 to 26°F on January 31, and lows from 9°F to 7°F. Normal precipitation for the month is 1.12 in over about 6 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, in °F, with the record for each date.-50-250255075151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
26°F
Average low
7°F
Precipitation
1.12 in
Snowfall
12.0 in
Record high
66°FJan 1, 1897
Record low
-37°FJan 15, 1963
Chance of a freeze
100%
Daylight
9 h 05 min to 9 h 55 min
Cloud cover
64%
Humidity
89%
Dew point
13°F
Wind
12.1 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 127°F9°F66°F 1897-19°F 194719%16%
Jan 227°F9°F52°F 1903-24°F 197919%16%
Jan 327°F9°F50°F 1903-22°F 190419%16%
Jan 426°F9°F52°F 2007-30°F 191919%16%
Jan 526°F9°F49°F 1946-26°F 192419%16%
Jan 626°F8°F56°F 2012-25°F 191019%16%
Jan 726°F8°F51°F 2012-33°F 191219%16%
Jan 826°F8°F56°F 2003-28°F 191219%16%
Jan 926°F8°F57°F 2003-24°F 191019%16%
Jan 1026°F8°F52°F 2002-26°F 198819%17%
Jan 1126°F8°F55°F 2012-27°F 197719%17%
Jan 1226°F7°F59°F 1894-34°F 191219%17%
Jan 1325°F7°F51°F 2006-34°F 191219%17%
Jan 1425°F7°F58°F 1903-25°F 189319%17%
Jan 1525°F7°F51°F 1990-37°F 196319%17%
Jan 1625°F7°F53°F 1933-29°F 196319%17%
Jan 1725°F7°F58°F 1894-29°F 197719%17%
Jan 1825°F7°F52°F 1944-33°F 196719%17%
Jan 1925°F7°F51°F 2013-29°F 199419%17%
Jan 2025°F7°F55°F 1914-29°F 199419%17%
Jan 2125°F7°F53°F 1921-29°F 197019%18%
Jan 2225°F7°F55°F 1964-32°F 193019%18%
Jan 2325°F7°F57°F 2002-29°F 196319%18%
Jan 2425°F7°F55°F 1981-34°F 193619%18%
Jan 2526°F7°F57°F 1981-32°F 193619%18%
Jan 2626°F7°F60°F 2002-26°F 193019%18%
Jan 2726°F7°F59°F 2002-30°F 190419%18%
Jan 2826°F7°F58°F 2002-29°F 189519%18%
Jan 2926°F7°F54°F 2025-28°F 191519%18%
Jan 3026°F7°F52°F 1903-37°F 195119%18%
Jan 3126°F7°F61°F 2025-29°F 199619%18%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Monona, 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 7:37 AM, sunset 4:42 PM
January 31
sunrise 7:22 AM, sunset 5:17 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00136766 (Postville), public domain. Records: NOAA GHCN-Daily, station USC00476827, 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.