Linn County climate

Linn County Weather in April

NOAA 1991-2020 normals for Mound City, 7.8 km from Linn County

Average highs run from 62°F on April 1 to 70°F on April 30, and lows from 38°F to 48°F. Normal precipitation for the month is 4.44 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 Linn County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
66°F
Average low
43°F
Precipitation
4.44 in
Snowfall
0.1 in
Record high
97°FApr 12, 1972
Record low
16°FApr 3, 1936
Chance of a freeze
82%
Daylight
12 h 39 min to 13 h 46 min
Cloud cover
62%
Humidity
74%
Dew point
46°F
Wind
12.3 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 162°F38°F93°F 194617°F 192629%1%
Apr 262°F39°F87°F 191819°F 193629%1%
Apr 362°F39°F87°F 201216°F 193629%1%
Apr 463°F39°F87°F 201122°F 191530%1%
Apr 563°F40°F84°F 195416°F 192030%1%
Apr 663°F40°F89°F 195422°F 199630%1%
Apr 764°F40°F87°F 197720°F 200730%1%
Apr 864°F41°F86°F 196520°F 200731%0%
Apr 964°F41°F93°F 190520°F 200731%0%
Apr 1064°F41°F91°F 193023°F 191431%0%
Apr 1165°F42°F91°F 193024°F 191832%0%
Apr 1265°F42°F97°F 197220°F 193932%0%
Apr 1365°F42°F92°F 197222°F 195732%0%
Apr 1465°F43°F93°F 193625°F 190733%0%
Apr 1566°F43°F91°F 192423°F 192833%0%
Apr 1666°F43°F88°F 191527°F 195333%0%
Apr 1766°F44°F88°F 195526°F 190733%0%
Apr 1867°F44°F89°F 191325°F 195334%0%
Apr 1967°F44°F92°F 200630°F 195334%0%
Apr 2067°F45°F93°F 198727°F 195334%0%
Apr 2167°F45°F92°F 196328°F 196634%0%
Apr 2268°F45°F90°F 196527°F 202135%0%
Apr 2368°F46°F90°F 195827°F 202135%0%
Apr 2468°F46°F88°F 196528°F 196735%0%
Apr 2568°F46°F88°F 190633°F 191336%0%
Apr 2669°F47°F89°F 195630°F 191036%0%
Apr 2769°F47°F91°F 198931°F 193136%0%
Apr 2869°F47°F89°F 190531°F 190736%0%
Apr 2970°F48°F91°F 196234°F 190837%0%
Apr 3070°F48°F91°F 198726°F 190837%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Linn 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 7:04 AM, sunset 7:43 PM
April 30
sunrise 6:24 AM, sunset 8:10 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00145528 (Mound City), public domain. Records: NOAA GHCN-Daily, station USC00142835, 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.