Monona County climate

Monona County Weather in April

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

Average highs run from 55°F on April 1 to 65°F on April 30, and lows from 31°F to 43°F. Normal precipitation for the month is 3.32 in over about 10 wet days.

April 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.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
60°F
Average low
37°F
Precipitation
3.32 in
Snowfall
1.7 in
Record high
95°FApr 15, 2002
Record low
12°FApr 4, 2018
Chance of a freeze
100%
Daylight
12 h 44 min to 14 h 01 min
Cloud cover
65%
Humidity
68%
Dew point
38°F
Wind
13.2 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
Apr 155°F31°F93°F 201214°F 201326%5%
Apr 255°F32°F93°F 201219°F 201327%4%
Apr 356°F32°F83°F 201615°F 201827%4%
Apr 456°F32°F86°F 202112°F 201827%4%
Apr 556°F33°F87°F 202119°F 202328%4%
Apr 657°F33°F88°F 200614°F 202328%4%
Apr 757°F33°F86°F 202012°F 201829%4%
Apr 857°F34°F79°F 201918°F 200729%4%
Apr 958°F34°F87°F 201116°F 201630%4%
Apr 1058°F34°F85°F 200618°F 202031%3%
Apr 1158°F35°F87°F 202321°F 200431%3%
Apr 1259°F35°F92°F 202220°F 201632%3%
Apr 1359°F36°F92°F 200619°F 199732%3%
Apr 1459°F36°F90°F 200321°F 199733%3%
Apr 1560°F36°F95°F 200216°F 202033%3%
Apr 1660°F37°F92°F 200421°F 202234%3%
Apr 1760°F37°F90°F 200422°F 201834%3%
Apr 1861°F37°F85°F 200222°F 202235%2%
Apr 1961°F38°F82°F 201419°F 202235%2%
Apr 2061°F38°F87°F 201424°F 201336%2%
Apr 2162°F39°F89°F 201925°F 202136%2%
Apr 2262°F39°F86°F 202621°F 202136%2%
Apr 2362°F40°F89°F 200923°F 202337%2%
Apr 2463°F40°F90°F 201227°F 201337%2%
Apr 2563°F40°F93°F 201228°F 201337%1%
Apr 2663°F41°F95°F 202124°F 202238%1%
Apr 2764°F41°F87°F 200132°F 200438%1%
Apr 2864°F42°F93°F 202529°F 200838%1%
Apr 2964°F42°F92°F 200732°F 200838%1%
Apr 3065°F43°F92°F 200733°F 200539%1%

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.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

April 1
sunrise 7:06 AM, sunset 7:50 PM
April 30
sunrise 6:21 AM, sunset 8:22 PM

Every day of April: 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.