June is one of the warmer months of the year in Peoria, with average highs near 27.1°C and lows around 16.2°C (mean 21.7°C). It is a relatively wet time of year, averaging 106 mm of rainfall and 76% relative humidity across the period.
June is one of the warmer months of the year in Peoria. Across 45 years of records, the warmest June in Peoria was 2005 — when the month averaged 24.3°C — while the coldest was 1982 at 18.4°C. Typical June days reach 27.1°C with nights near 16.2°C. The long-term trend is warming, about 0.5°C per decade.
June is a relatively wet time of year in Peoria, averaging 106 mm of rainfall. The wettest June on record was 2015 with 235 mm, while the driest was 1988 at 14 mm.
Relative humidity in Peoria during June averages 76%. The most humid June was 1993 at 83%, and the least humid was 1988 at 50%.
June receives about 6.2 kWh/m²/day of solar energy in Peoria. The sunniest June was 2016 at 7.4 kWh/m²/day, and the cloudiest were 1985, 1998 and 2011 at 5.5.
Average wind speed in Peoria during June is 2.6 m/s. The windiest June was 1990 at 3.2 m/s, while the calmest was 1995 at 2.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.0°C | 21.1°C | 21.5°C | 22.4°C | 22.6°C | +1.6°C |
| Avg High | 26.8°C | 26.3°C | 26.9°C | 27.6°C | 28.4°C | +1.6°C |
| Avg Low | 15.2°C | 15.9°C | 16.0°C | 17.2°C | 16.9°C | +1.7°C |
| Avg Rain | 86 mm | 116 mm | 97 mm | 130 mm | 92 mm | +7 mm |
June temperatures in Peoria have risen by about 2.5°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 5°C (1992) to a record high of 41.7°C (2012).
Rainfall in June is a relatively wet time of year, averaging 106 mm, with a wettest year of 235 mm.
One of the best times to visit Peoria
June is one of the best times to visit Peoria. Expect days averaging 27.1°C and nights around 16.2°C (mean 21.7°C) — warmer than Peoria's yearly average — with higher rainfall (106 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 28.4°C | 23.1°C | 17.8°C | 33.3°C | 10.3°C | 127 mm | 78% | 2.6 m/s | 6.2 |
| 2024 | 28.7°C | 23.0°C | 17.4°C | 32.9°C | 9.1°C | 67 mm | 73% | 3 m/s | 6.6 |
| 2023 | 29.7°C | 22.5°C | 15.4°C | 35.0°C | 7.9°C | 53 mm | 59% | 2.6 m/s | 6.5 |
| 2022 | 28.1°C | 22.2°C | 16.4°C | 33.2°C | 9.6°C | 62 mm | 73% | 2.5 m/s | 6.8 |
| 2021 | 27.9°C | 23.0°C | 18.0°C | 32.7°C | 10.3°C | 175 mm | 77% | 2.6 m/s | 6.2 |
| 2020 | 27.3°C | 21.9°C | 16.6°C | 30.1°C | 9.4°C | 70 mm | 78% | 2.6 m/s | 6.7 |
| 2019 | 25.8°C | 21.0°C | 16.2°C | 33.0°C | 9.5°C | 95 mm | 82% | 2.7 m/s | 5.9 |
| 2018 | 28.9°C | 23.7°C | 18.5°C | 33.2°C | 11.0°C | 142 mm | 78% | 2.4 m/s | 6.2 |
| 2017 | 27.8°C | 22.1°C | 16.5°C | 31.9°C | 10.5°C | 68 mm | 72% | 2.8 m/s | 7.2 |
| 2016 | 28.4°C | 22.9°C | 17.5°C | 32.8°C | 10.8°C | 89 mm | 75% | 2.5 m/s | 7.4 |
| 2015 🌧️ | 26.5°C | 21.7°C | 17.0°C | 31.3°C | 8.4°C | 235 mm | 82% | 2.7 m/s | 5.6 |
| 2014 | 27.1°C | 22.3°C | 17.6°C | 29.7°C | 10.3°C | 197 mm | 80% | 2.8 m/s | 6.1 |
| 2013 | 25.8°C | 21.1°C | 16.5°C | 31.0°C | 8.6°C | 96 mm | 83% | 2.7 m/s | 5.7 |
| 2012 | 30.8°C | 23.6°C | 16.4°C | 41.7°C | 6.9°C | 34 mm | 57% | 2.9 m/s | 7.1 |
| 2011 | 27.0°C | 22.0°C | 17.1°C | 31.9°C | 10.8°C | 131 mm | 82% | 2.9 m/s | 5.5 |
| 2010 | 28.0°C | 23.5°C | 19.1°C | 31.1°C | 12.6°C | 212 mm | 83% | 2.5 m/s | 6.1 |
| 2009 | 26.1°C | 21.4°C | 16.7°C | 32.2°C | 5.2°C | 126 mm | 83% | 2.6 m/s | 6 |
| 2008 | 26.7°C | 21.9°C | 17.0°C | 30.6°C | 11.3°C | 144 mm | 80% | 3 m/s | 6.5 |
| 2007 | 27.0°C | 21.7°C | 16.3°C | 32.3°C | 9.5°C | 104 mm | 76% | 2.5 m/s | 6.2 |
| 2006 | 26.9°C | 21.2°C | 15.4°C | 32.9°C | 8.4°C | 54 mm | 71% | 2.5 m/s | 6.4 |
| 2005 🔥 | 30.3°C | 24.3°C | 18.3°C | 36.1°C | 11.2°C | 40 mm | 69% | 2.8 m/s | 6.7 |
| 2004 | 25.9°C | 20.6°C | 15.3°C | 30.7°C | 8.8°C | 87 mm | 77% | 2.6 m/s | 6.4 |
| 2003 | 26.1°C | 19.8°C | 13.5°C | 32.5°C | 5.6°C | 93 mm | 71% | 2.6 m/s | 6.2 |
| 2002 | 27.5°C | 22.4°C | 17.2°C | 31.2°C | 11.0°C | 104 mm | 80% | 2.5 m/s | 6.2 |
| 2001 | 25.9°C | 20.4°C | 14.9°C | 31.1°C | 7.0°C | 85 mm | 76% | 2.5 m/s | 6.5 |
| 2000 | 27.0°C | 21.0°C | 15.1°C | 32.0°C | 6.5°C | 137 mm | 71% | 3.1 m/s | 5.8 |
| 1999 | 26.3°C | 21.4°C | 16.4°C | 31.3°C | 7.6°C | 136 mm | 80% | 2.4 m/s | 6 |
| 1998 | 25.7°C | 21.2°C | 16.7°C | 32.1°C | 7.5°C | 185 mm | 82% | 3 m/s | 5.5 |
| 1997 | 26.9°C | 21.3°C | 15.8°C | 32.8°C | 9.7°C | 95 mm | 77% | 2.6 m/s | 5.8 |
| 1996 | 26.2°C | 21.1°C | 15.9°C | 31.3°C | 9.6°C | 95 mm | 80% | 2.4 m/s | 5.7 |
| 1995 | 25.8°C | 20.8°C | 15.9°C | 29.7°C | 10.0°C | 77 mm | 81% | 2.1 m/s | 6.2 |
| 1994 | 26.8°C | 21.6°C | 16.3°C | 30.8°C | 8.4°C | 70 mm | 78% | 2.4 m/s | 6.4 |
| 1993 | 25.2°C | 20.2°C | 15.2°C | 29.4°C | 5.3°C | 215 mm | 83% | 2.8 m/s | 5.9 |
| 1992 | 25.8°C | 19.6°C | 13.5°C | 30.8°C | 5.0°C | 57 mm | 69% | 2.4 m/s | 6.1 |
| 1991 | 27.5°C | 22.4°C | 17.2°C | 31.6°C | 11.0°C | 26 mm | 78% | 2.3 m/s | 6.8 |
| 1990 | 26.4°C | 21.2°C | 16.1°C | 30.1°C | 5.8°C | 202 mm | 80% | 3.2 m/s | 5.8 |
| 1989 | 26.6°C | 20.7°C | 14.8°C | 31.5°C | 7.5°C | 44 mm | 72% | 2.3 m/s | 6.5 |
| 1988 | 31.2°C | 23.0°C | 14.8°C | 39.8°C | 6.5°C | 14 mm | 50% | 2.8 m/s | 6.8 |
| 1987 | 28.6°C | 22.7°C | 16.7°C | 35.9°C | 8.8°C | 88 mm | 70% | 2.4 m/s | 6.5 |
| 1986 | 26.8°C | 21.4°C | 16.0°C | 31.6°C | 7.6°C | 139 mm | 80% | 2.6 m/s | 5.9 |
| 1985 | 24.6°C | 19.1°C | 13.6°C | 30.7°C | 6.7°C | 100 mm | 77% | 2.8 m/s | 5.5 |
| 1984 | 26.8°C | 21.6°C | 16.4°C | 30.3°C | 10.1°C | 50 mm | 80% | 3.1 m/s | 6 |
| 1983 | 26.2°C | 21.1°C | 16.0°C | 30.2°C | 7.4°C | 102 mm | 79% | 2.4 m/s | — |
| 1982 ❄️ | 24.0°C | 18.4°C | 12.8°C | 29.0°C | 6.0°C | 75 mm | 77% | 2.4 m/s | — |
| 1981 | 26.5°C | 21.3°C | 16.0°C | 30.5°C | 11.4°C | 157 mm | 78% | 2.9 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 27.1°C with lows near 16.2°C (mean 21.7°C), based on 45 years of NASA POWER data.
June averages 106 mm of rainfall in Peoria, a relatively wet time of year. The wettest on record was 235 mm in 2015.
The hottest June reached 41.7°C in 2012. The coldest dipped to 5°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 2.5°C. Daytime highs moved from 25.6°C to 28.6°C and overnight lows from 15°C to 17°C over the same span.
June is one of the warmer months of the year in Peoria and a relatively wet time of year, so plan for around 27.1°C daytime highs and 16.2°C at night.
Not quite — June is the 10th coolest month in Peoria, averaging 21.7°C.
For June in Peoria, pack light layers you can adjust through the day, with typical highs of 27.1°C and lows of 16.2°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 76% — quite humid.
Average wind speed in June is 2.6 m/s. The windiest June on record averaged 3.2 m/s (1990).
The wettest June on record was 2015 with 235 mm. On average, June sees 106 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 June, 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 June specifically, along with year-by-year records and how the month has changed over the decades.
