St. Clair County climate

St. Clair County Weather in April

NOAA 1991-2020 normals for Osceola, 6.5 km from St. Clair County

Average highs run from 64°F on April 1 to 72°F on April 30, and lows from 40°F to 49°F. Normal precipitation for the month is 4.62 in over about 8 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 St. Clair County, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
68°F
Average low
44°F
Precipitation
4.62 in
Record high
96°FApr 11, 1930
Record low
10°FApr 5, 1920
Chance of a freeze
86%
Daylight
12 h 38 min to 13 h 45 min
Cloud cover
62%
Humidity
75%
Dew point
47°F
Wind
9.8 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 164°F40°F90°F 194618°F 195425%1%
Apr 264°F40°F87°F 201220°F 193625%1%
Apr 364°F41°F87°F 201218°F 193625%1%
Apr 464°F41°F85°F 194220°F 197526%0%
Apr 565°F41°F84°F 190910°F 192026%0%
Apr 665°F41°F90°F 192224°F 198226%0%
Apr 765°F42°F87°F 195419°F 200726%0%
Apr 866°F42°F84°F 192417°F 200726%0%
Apr 966°F42°F93°F 193017°F 200726%0%
Apr 1066°F43°F94°F 193018°F 198926%0%
Apr 1166°F43°F96°F 193018°F 198926%0%
Apr 1267°F43°F93°F 193021°F 194026%0%
Apr 1367°F44°F91°F 197222°F 195727%0%
Apr 1467°F44°F92°F 193622°F 195127%0%
Apr 1567°F44°F91°F 192425°F 199727%0%
Apr 1668°F45°F86°F 200225°F 195127%0%
Apr 1768°F45°F90°F 191325°F 195127%0%
Apr 1868°F45°F91°F 191324°F 199927%0%
Apr 1968°F46°F94°F 200626°F 195628%0%
Apr 2069°F46°F88°F 198725°F 195328%0%
Apr 2169°F46°F91°F 198726°F 196628%0%
Apr 2269°F46°F90°F 196322°F 195628%0%
Apr 2370°F47°F89°F 191322°F 195629%0%
Apr 2470°F47°F87°F 192423°F 195629%0%
Apr 2570°F47°F90°F 194928°F 195629%0%
Apr 2670°F48°F89°F 201231°F 191929%0%
Apr 2771°F48°F90°F 198730°F 195329%0%
Apr 2871°F48°F89°F 191532°F 198829%0%
Apr 2971°F49°F90°F 191028°F 191330%0%
Apr 3072°F49°F91°F 198730°F 190830%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at St. Clair County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

April 1
sunrise 7:00 AM, sunset 7:38 PM
April 30
sunrise 6:20 AM, sunset 8:05 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00236402 (Osceola), public domain. Records: NOAA GHCN-Daily, station USC00231711, 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.