Sergeant Bluff climate

Sergeant Bluff Weather in April

NOAA 1991-2020 normals for Sioux City Gateway AP, 2.2 km from Sergeant Bluff

Average highs run from 56°F on April 1 to 66°F on April 30, and lows from 32°F to 42°F. Normal precipitation for the month is 3.15 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 Sergeant Bluff, in °F, with the record for each date.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
61°F
Average low
37°F
Precipitation
3.15 in
Snowfall
2.3 in
Record high
97°FApr 22, 1980
Record low
-2°FApr 3, 1975
Chance of a freeze
100%
Daylight
12 h 43 min to 14 h 02 min
Cloud cover
64%
Humidity
68%
Dew point
37°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 156°F32°F93°F 201214°F 202130%8%
Apr 256°F32°F92°F 20129°F 197530%8%
Apr 357°F32°F80°F 1978-2°F 197530%8%
Apr 457°F33°F86°F 20217°F 201831%7%
Apr 557°F33°F89°F 199116°F 194531%7%
Apr 658°F33°F91°F 199112°F 198231%7%
Apr 758°F34°F88°F 198813°F 201832%7%
Apr 859°F34°F88°F 198814°F 199732%7%
Apr 959°F34°F87°F 197717°F 199732%6%
Apr 1059°F35°F84°F 197718°F 202033%6%
Apr 1160°F35°F89°F 196817°F 194033%6%
Apr 1260°F35°F92°F 202315°F 195733%6%
Apr 1360°F36°F91°F 200615°F 195033%6%
Apr 1461°F36°F90°F 195417°F 195034%5%
Apr 1561°F36°F96°F 200216°F 201434%5%
Apr 1661°F37°F90°F 200420°F 201834%5%
Apr 1762°F37°F88°F 198520°F 199734%5%
Apr 1862°F38°F92°F 199419°F 195335%4%
Apr 1962°F38°F90°F 198719°F 202235%4%
Apr 2063°F38°F91°F 198022°F 195335%4%
Apr 2163°F39°F94°F 198023°F 196635%4%
Apr 2263°F39°F97°F 198022°F 202135%3%
Apr 2364°F39°F92°F 200921°F 202336%3%
Apr 2464°F40°F89°F 201223°F 195636%3%
Apr 2564°F40°F93°F 198125°F 201336%3%
Apr 2665°F40°F91°F 198719°F 202236%3%
Apr 2765°F41°F91°F 198924°F 195036%2%
Apr 2866°F41°F91°F 197027°F 197937%2%
Apr 2966°F42°F93°F 200725°F 195837%2%
Apr 3066°F42°F93°F 196526°F 199637%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sergeant Bluff, 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 7:08 AM, sunset 7:51 PM
April 30
sunrise 6:22 AM, sunset 8:24 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00014943 (Sioux City Gateway AP), public domain. Records: NOAA GHCN-Daily, station USW00014943, 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.