Mattoon climate

Mattoon Weather in April

NOAA 1991-2020 normals for Mattoon, 2 km from Mattoon

Average highs run from 59°F on April 1 to 70°F on April 30, and lows from 38°F to 48°F. Normal precipitation for the month is 4.78 in over about 11 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 Mattoon, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
64°F
Average low
43°F
Precipitation
4.78 in
Snowfall
0.1 in
Record high
87°FApr 30, 2007
Record low
22°FApr 2, 2013
Chance of a freeze
86%
Daylight
12 h 40 min to 13 h 50 min
Cloud cover
64%
Humidity
76%
Dew point
45°F
Wind
12.5 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 159°F38°F84°F 201223°F 201834%2%
Apr 259°F39°F78°F 202522°F 201334%1%
Apr 359°F39°F84°F 201224°F 201335%1%
Apr 460°F39°F80°F 202325°F 200235%1%
Apr 560°F40°F77°F 201024°F 200235%1%
Apr 661°F40°F80°F 200127°F 200235%1%
Apr 761°F40°F79°F 202022°F 200736%1%
Apr 862°F41°F83°F 202023°F 201836%1%
Apr 962°F41°F83°F 200126°F 200036%1%
Apr 1062°F41°F81°F 201130°F 200337%1%
Apr 1163°F42°F78°F 201927°F 201237%1%
Apr 1263°F42°F78°F 200630°F 200937%1%
Apr 1364°F42°F82°F 201029°F 200437%1%
Apr 1464°F43°F83°F 200628°F 200438%1%
Apr 1564°F43°F85°F 200630°F 201438%1%
Apr 1665°F44°F82°F 200225°F 202038%1%
Apr 1765°F44°F83°F 200228°F 201839%0%
Apr 1866°F44°F84°F 200230°F 200139%0%
Apr 1966°F45°F83°F 200230°F 202239%0%
Apr 2066°F45°F81°F 201728°F 201840%0%
Apr 2167°F45°F76°F 199931°F 202140%0%
Apr 2267°F46°F80°F 200133°F 202140%0%
Apr 2367°F46°F82°F 200832°F 201240%0%
Apr 2468°F46°F80°F 200929°F 202340%0%
Apr 2568°F47°F80°F 200833°F 202441%0%
Apr 2668°F47°F81°F 200933°F 200041%0%
Apr 2769°F47°F80°F 200134°F 201541%0%
Apr 2869°F48°F81°F 202534°F 201541%0%
Apr 2969°F48°F82°F 200729°F 201842%0%
Apr 3070°F48°F87°F 200737°F 200842%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Mattoon, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

April 1
sunrise 6:38 AM, sunset 7:18 PM
April 30
sunrise 5:56 AM, sunset 7:46 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00115430 (Mattoon), public domain. Records: NOAA GHCN-Daily, station USW00053802, 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.