Peoria weather in April: Peoria, Illinois: normal highs, lows, rain and records for April

Peoria in April has a normal high of 64°F and a normal low of 42°F, a daily mean of 53°F, rising from 58°F on the 1st to 69°F by the 30th. Measurable precipitation falls on 12 days in a normal April, 3.99 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 18°C and low of 6°C, 101 mm of precipitation and 1 cm of snow in April.

  • NOAA stationGeneral Wayne A. Downing International Airport
  • Station IDUSW00014842
  • Location40.67°N 89.68°W
  • Elevation650 ft (198 m)
  • From the center7 miles
  • Population111,696
  1. Jan 34° 18°
  2. Feb 39° 21°
  3. Mar 51° 32°
  4. Apr 64° 42°
  5. May 74° 53°
  6. Jun 83° 62°
  7. Jul 86° 66°
  8. Aug 85° 64°
  9. Sep 78° 56°
  10. Oct 65° 44°
  11. Nov 51° 33°
  12. Dec 39° 23°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Peoria in April?

The normal high is 64°F and the normal low 42°F, for a daily mean of 52.9°F. April is 11.5°F warmer than March and 10.6°F cooler than May. April is the 7th warmest month of the year in Peoria and the 2nd wettest. Across the month the normal high rises 11°F, from 58°F on April 1 to 69°F on April 30. From one year to the next April's mean temperature typically moves about 3.2°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 50°F and 56°F.

Peoria in April, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 41%).

Normal high and low on five days of April, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
April 158°F37°F36%22%
April 861°F39°F38%24%
April 1564°F42°F39%26%
April 2266°F44°F40%26%
April 3069°F47°F41%27%
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
Peoria: NOAA 1991-2020 daily normals for each day of April
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
April 158°F37°F36%22%12 h 40 min
April 259°F37°F36%22%12 h 40 min
April 359°F38°F36%23%12 h 40 min
April 459°F38°F37%23%12 h 50 min
April 560°F38°F37%23%12 h 50 min
April 660°F39°F37%23%12 h 50 min
April 761°F39°F37%24%12 h 50 min
April 861°F39°F38%24%13 h
April 961°F40°F38%24%13 h
April 1062°F40°F38%24%13 h
April 1162°F41°F38%25%13 h
April 1263°F41°F38%25%13 h 10 min
April 1363°F41°F39%25%13 h 10 min
April 1463°F42°F39%25%13 h 10 min
April 1564°F42°F39%26%13 h 20 min
April 1664°F42°F39%26%13 h 20 min
April 1764°F43°F39%26%13 h 20 min
April 1865°F43°F40%26%13 h 20 min
April 1965°F43°F40%26%13 h 30 min
April 2065°F44°F40%26%13 h 30 min
April 2166°F44°F40%26%13 h 30 min
April 2266°F44°F40%26%13 h 30 min
April 2367°F45°F40%26%13 h 40 min
April 2467°F45°F41%27%13 h 40 min
April 2567°F46°F41%27%13 h 40 min
April 2668°F46°F41%27%13 h 40 min
April 2768°F46°F41%27%13 h 50 min
April 2868°F47°F41%27%13 h 50 min
April 2969°F47°F41%27%13 h 50 min
April 3069°F47°F41%27%13 h 50 min
Normal high
64°FApril average
Normal low
42°FApril average
Precipitation
3.99 inmonth total
Days with precipitation
120.01 inch or more
Snowfall
0.5 inmonth total
Nights at 32°F or colder
4
Daylight
12 h 40 min to 13 h 50 minApril 1 to April 30
Days at 70°F or more
9
Days at 80°F or more
3
Sunshine
71%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00014842; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Peoria in April?

On a given April day the chance of 0.01 inch or more is 39% on average, highest around April 30 (41%). In all, 3.99 in falls on 12 days of a normal April, 1 of them with an inch or more.

In a normal April in Peoria, 4 nights fall to freezing and snowfall averages 0.5 inches.

Snow falls on 1 day in a normal April.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014842.

How humid and windy is Peoria in April?

At 3 p.m. the normal temperature is 65°F with 49% relative humidity and a dew point of 45°F; at 6 a.m. it is 50°F with 78% humidity. The wind averages 9.1 mph, most often from the southwest in the afternoon. A dew point under 50°F feels dry.

A normal April day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.50°F43°F78%7.3 mph53%
9 a.m.58°F45°F63%10.2 mph49%
noon63°F46°F52%11.7 mph46%
3 p.m.65°F45°F49%11.7 mph44%
6 p.m.63°F45°F52%9.6 mph49%
9 p.m.57°F45°F65%7.8 mph54%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00014842. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for April in Peoria?

The warmest April temperature on Peoria's official record (since 1883) is 92°F, on April 29, 1894; the coldest is 14°F, on April 5, 1920. The wettest April brought 8.66 in (1947); the snowiest, 13.4 inches (1982).

The April mean against the 1991-2020 normal of 52.9°F: 2021 52.9°F (at normal), 2022 49.5°F (−3.4), 2023 53.8°F (+0.9), 2024 55.0°F (+2.1), 2025 53.9°F (+1.0), 2026 57.9°F (+5.0). 4 of 6 ran warmer than normal.

Peoria: April in recent years against the 1991-2020 normal
AprilMeanAgainst normalPrecip.
202152.9°Fat normal4.79 in
202249.5°F−3.4°F2.36 in
202353.8°F+0.9°F2.65 in
202455.0°F+2.1°F7.29 in
202553.9°F+1.0°F3.58 in
202657.9°F+5.0°F7.82 in

Source: records: ACIS, NWS threaded record PIAthr; recent months: ACIS, station USW00014842. Records and recent months use complete months only.

How does April in Peoria compare across Illinois?

Across the 144 places PlainClimate covers in Illinois, April normal highs run from 55°F in Waukegan to 71°F in Anna; Peoria's is 64°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places