April is close to Peoria's year-round average, with average highs near 16.9°C and lows around 4.4°C (mean 10.6°C). It is a relatively wet time of year, averaging 95 mm of rainfall and 75% relative humidity across the period.
April is close to Peoria's year-round average. Across 45 years of records, the warmest April in Peoria was 2010 — when the month averaged 14°C — while the coldest was 2018 at 6.7°C. Typical April days reach 16.9°C with nights near 4.4°C. The long-term trend is warming, about 0.3°C per decade.
April is a relatively wet time of year in Peoria, averaging 95 mm of rainfall. The wettest April on record was 2013 with 170 mm, while the driest was 2023 at 38 mm.
Relative humidity in Peoria during April averages 75%. The most humid April was 1993 at 82%, and the least humid was 2000 at 67%.
April receives about 4.8 kWh/m²/day of solar energy in Peoria. The sunniest April was 2004 at 5.5 kWh/m²/day, and the cloudiest was 1984 at 4.
Average wind speed in Peoria during April is 3.9 m/s. The windiest Aprils were 1981, 1984 and 2001 at 4.4 m/s, while the calmest was 1989 at 3.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.1°C | 9.8°C | 11.3°C | 11.1°C | 10.8°C | +0.7°C |
| Avg High | 16.4°C | 15.9°C | 17.7°C | 17.4°C | 17.0°C | +0.6°C |
| Avg Low | 3.9°C | 3.8°C | 5.0°C | 4.9°C | 4.5°C | +0.6°C |
| Avg Rain | 96 mm | 97 mm | 90 mm | 99 mm | 96 mm | +0 mm |
April temperatures in Peoria have risen by about 1.3°C between 1981–1985 and 2021–2025.
April has ranged from a record low of -9°C (1982) to a record high of 28.5°C (2011).
Rainfall in April is a relatively wet time of year, averaging 95 mm, with a wettest year of 170 mm.
A good time to visit Peoria
April is a good time to visit Peoria, with days averaging 16.9°C and nights around 4.4°C (mean 10.6°C, close to Peoria's yearly average) and higher rainfall. June and August are marginally more temperate, but April still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 18.1°C | 12.0°C | 5.8°C | 27.1°C | -4.6°C | 95 mm | 71% | 3.9 m/s | 4.7 |
| 2024 | 18.2°C | 12.2°C | 6.1°C | 27.3°C | -1.7°C | 154 mm | 73% | 4.2 m/s | 4.8 |
| 2023 | 18.1°C | 11.0°C | 4.0°C | 26.3°C | -1.9°C | 38 mm | 71% | 3.8 m/s | 5.4 |
| 2022 | 15.2°C | 9.0°C | 2.7°C | 26.5°C | -4.6°C | 74 mm | 75% | 4.3 m/s | 4.5 |
| 2021 | 17.0°C | 11.1°C | 5.1°C | 27.7°C | -5.5°C | 79 mm | 74% | 3.5 m/s | 5.3 |
| 2020 | 15.3°C | 9.3°C | 3.3°C | 25.5°C | -3.8°C | 136 mm | 76% | 3.8 m/s | 5.1 |
| 2019 | 17.0°C | 11.1°C | 5.1°C | 25.9°C | -3.3°C | 133 mm | 78% | 3.9 m/s | 4.5 |
| 2018 ❄️ | 13.0°C | 6.7°C | 0.5°C | 25.2°C | -6.7°C | 43 mm | 73% | 3.6 m/s | 4.8 |
| 2017 | 19.3°C | 13.2°C | 7.1°C | 26.5°C | -1.5°C | 147 mm | 75% | 3.9 m/s | 4.5 |
| 2016 | 17.2°C | 10.9°C | 4.6°C | 26.3°C | -5.5°C | 65 mm | 75% | 3.8 m/s | 4.8 |
| 2015 | 18.6°C | 11.9°C | 5.2°C | 25.3°C | -3.8°C | 64 mm | 69% | 3.7 m/s | 5.2 |
| 2014 | 16.8°C | 10.3°C | 3.8°C | 25.0°C | -4.9°C | 83 mm | 74% | 3.9 m/s | 4.8 |
| 2013 🌧️ | 16.0°C | 9.8°C | 3.6°C | 27.7°C | -5.6°C | 170 mm | 77% | 3.9 m/s | 4.7 |
| 2012 | 18.8°C | 12.2°C | 5.7°C | 28.5°C | -2.3°C | 59 mm | 70% | 4 m/s | 5.1 |
| 2011 | 17.1°C | 11.1°C | 5.1°C | 28.5°C | -1.9°C | 157 mm | 78% | 4.3 m/s | 4.2 |
| 2010 🔥 | 20.2°C | 14.0°C | 7.8°C | 26.7°C | 0.4°C | 72 mm | 77% | 3.8 m/s | 5.4 |
| 2009 | 15.2°C | 9.7°C | 4.2°C | 25.9°C | -3.0°C | 166 mm | 81% | 4 m/s | 4.5 |
| 2008 | 15.9°C | 9.9°C | 4.0°C | 24.8°C | -2.8°C | 65 mm | 79% | 4.1 m/s | 4.6 |
| 2007 | 15.1°C | 9.0°C | 3.0°C | 28.1°C | -6.3°C | 78 mm | 76% | 4 m/s | 5 |
| 2006 | 20.1°C | 13.3°C | 6.5°C | 27.8°C | -2.5°C | 129 mm | 70% | 4 m/s | 5.3 |
| 2005 | 18.5°C | 12.3°C | 6.1°C | 26.6°C | -1.3°C | 62 mm | 75% | 3.7 m/s | 5.1 |
| 2004 | 18.3°C | 11.7°C | 5.0°C | 27.6°C | -3.0°C | 51 mm | 71% | 4 m/s | 5.5 |
| 2003 | 18.6°C | 11.8°C | 5.0°C | 28.2°C | -3.7°C | 81 mm | 71% | 4 m/s | 4.5 |
| 2002 | 17.8°C | 11.3°C | 4.9°C | 28.3°C | -5.0°C | 122 mm | 77% | 4.1 m/s | 4.5 |
| 2001 | 20.1°C | 13.6°C | 7.1°C | 27.9°C | -4.2°C | 72 mm | 72% | 4.4 m/s | 5.3 |
| 2000 | 17.5°C | 10.8°C | 4.0°C | 24.8°C | -3.1°C | 73 mm | 67% | 3.6 m/s | 4.9 |
| 1999 | 17.5°C | 11.9°C | 6.2°C | 24.6°C | 1.1°C | 133 mm | 78% | 4.2 m/s | 4.1 |
| 1998 | 16.3°C | 10.6°C | 5.0°C | 23.4°C | -1.8°C | 107 mm | 76% | 3.6 m/s | 4.5 |
| 1997 | 14.3°C | 7.9°C | 1.6°C | 23.1°C | -6.1°C | 53 mm | 71% | 3.5 m/s | 5.1 |
| 1996 | 15.4°C | 8.7°C | 2.0°C | 24.7°C | -4.9°C | 71 mm | 68% | 4.3 m/s | 4.8 |
| 1995 | 15.0°C | 9.0°C | 2.9°C | 23.8°C | -7.0°C | 126 mm | 75% | 4 m/s | 4.4 |
| 1994 | 15.7°C | 9.6°C | 3.5°C | 26.4°C | -4.1°C | 164 mm | 79% | 4.2 m/s | 5.1 |
| 1993 | 14.3°C | 8.8°C | 3.3°C | 22.1°C | -5.0°C | 120 mm | 82% | 3.7 m/s | 4.3 |
| 1992 | 15.7°C | 9.7°C | 3.7°C | 25.5°C | -4.8°C | 60 mm | 78% | 3.6 m/s | 4.2 |
| 1991 | 18.4°C | 12.3°C | 6.2°C | 24.6°C | -2.5°C | 86 mm | 77% | 4.1 m/s | 4.9 |
| 1990 | 15.9°C | 9.7°C | 3.5°C | 25.9°C | -5.9°C | 46 mm | 73% | 3.9 m/s | 4.8 |
| 1989 | 16.2°C | 9.8°C | 3.5°C | 28.4°C | -6.4°C | 106 mm | 73% | 3.3 m/s | 4.9 |
| 1988 | 16.6°C | 9.5°C | 2.4°C | 26.1°C | -3.8°C | 45 mm | 71% | 3.9 m/s | 4.8 |
| 1987 | 18.0°C | 11.2°C | 4.4°C | 27.6°C | -4.9°C | 66 mm | 73% | 3.4 m/s | 5.3 |
| 1986 | 18.4°C | 11.7°C | 5.1°C | 27.1°C | -3.3°C | 68 mm | 74% | 4 m/s | 5.1 |
| 1985 | 18.1°C | 12.2°C | 6.4°C | 25.8°C | -5.0°C | 48 mm | 80% | 3.9 m/s | 5.1 |
| 1984 | 14.0°C | 8.8°C | 3.6°C | 26.0°C | -3.1°C | 108 mm | 81% | 4.4 m/s | 4 |
| 1983 | 13.1°C | 7.7°C | 2.4°C | 22.8°C | -5.0°C | 160 mm | 80% | 3.7 m/s | — |
| 1982 | 13.5°C | 7.1°C | 0.8°C | 23.4°C | -9.0°C | 101 mm | 76% | 4 m/s | — |
| 1981 | 19.9°C | 13.1°C | 6.2°C | 27.7°C | -4.6°C | 159 mm | 71% | 4.4 m/s | — |
Actual recorded April data for each year, 1981–2025 — sourced from NASA POWER.
The average high in April is around 16.9°C with lows near 4.4°C (mean 10.6°C), based on 45 years of NASA POWER data.
April averages 95 mm of rainfall in Peoria, a relatively wet time of year. The wettest on record was 170 mm in 2013.
The hottest April reached 28.5°C in 2011. The coldest dipped to -9°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average April temperatures have risen by about 1.3°C. Daytime highs moved from 15.7°C to 17.3°C and overnight lows from 3.9°C to 4.7°C over the same span.
April is close to Peoria's year-round average and a relatively wet time of year, so plan for around 16.9°C daytime highs and 4.4°C at night.
Not quite — April is the 6th coolest month in Peoria, averaging 10.6°C.
For April in Peoria, pack warm layers and a jacket for chilly mornings, with typical highs of 16.9°C and lows of 4.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in April averages 75% — moderately humid.
Average wind speed in April is 3.9 m/s. The windiest April on record averaged 4.4 m/s (1981).
The wettest April on record was 2013 with 170 mm. On average, April sees 95 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Peoria behaves each April, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for April specifically, along with year-by-year records and how the month has changed over the decades.
