June is one of the warmer months of the year in Oak Lawn, with average highs near 25.4°C and lows around 14.8°C (mean 20.1°C). It is a relatively wet time of year, averaging 105 mm of rainfall and 76% relative humidity across the period.
June is one of the warmer months of the year in Oak Lawn. Across 45 years of records, the warmest June in Oak Lawn was 2005 — when the month averaged 23.3°C — while the coldest was 1982 at 16.1°C. Typical June days reach 25.4°C with nights near 14.8°C. The long-term trend is warming, about 0.6°C per decade.
June is a relatively wet time of year in Oak Lawn, averaging 105 mm of rainfall. The wettest June on record was 1993 with 246 mm, while the driest was 1991 at 26 mm.
Relative humidity in Oak Lawn during June averages 76%. The most humid June was 1993 at 84%, and the least humid was 1988 at 57%.
June receives about 6.1 kWh/m²/day of solar energy in Oak Lawn. The sunniest June was 2012 at 7.2 kWh/m²/day, and the cloudiest was 2015 at 5.3.
Average wind speed in Oak Lawn during June is 2.8 m/s. The windiest June was 1990 at 3.4 m/s, while the calmest was 1995 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 19.0°C | 19.5°C | 20.2°C | 20.7°C | 21.6°C | +2.6°C |
| Avg High | 24.6°C | 24.7°C | 25.5°C | 25.8°C | 27.1°C | +2.5°C |
| Avg Low | 13.4°C | 14.3°C | 14.9°C | 15.6°C | 16.1°C | +2.7°C |
| Avg Rain | 88 mm | 119 mm | 89 mm | 128 mm | 98 mm | +10 mm |
June temperatures in Oak Lawn have risen by about 3.2°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 2.1°C (2003) to a record high of 37.1°C (1988).
Rainfall in June is a relatively wet time of year, averaging 105 mm, with a wettest year of 246 mm.
One of the best times to visit Oak Lawn
June is one of the best times to visit Oak Lawn. Expect days averaging 25.4°C and nights around 14.8°C (mean 20.1°C) — warmer than Oak Lawn's yearly average — with higher rainfall (105 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 | 27.7°C | 22.4°C | 17.1°C | 33.5°C | 8.5°C | 119 mm | 75% | 2.8 m/s | 6.3 |
| 2024 | 27.2°C | 21.9°C | 16.7°C | 32.5°C | 9.9°C | 99 mm | 73% | 3.2 m/s | 6.3 |
| 2023 | 26.8°C | 20.6°C | 14.4°C | 33.2°C | 8.8°C | 47 mm | 63% | 2.7 m/s | 6.3 |
| 2022 | 26.9°C | 21.0°C | 15.0°C | 33.1°C | 10.5°C | 57 mm | 69% | 2.7 m/s | 6.6 |
| 2021 | 27.9°C | 22.8°C | 17.6°C | 32.7°C | 10.4°C | 174 mm | 72% | 2.7 m/s | 6 |
| 2020 | 26.3°C | 21.0°C | 15.7°C | 30.9°C | 8.4°C | 92 mm | 77% | 2.7 m/s | 6.6 |
| 2019 | 24.1°C | 19.0°C | 13.9°C | 29.5°C | 9.1°C | 126 mm | 82% | 2.8 m/s | 5.7 |
| 2018 | 26.1°C | 21.3°C | 16.5°C | 31.9°C | 9.5°C | 134 mm | 82% | 2.7 m/s | 5.7 |
| 2017 | 26.1°C | 21.0°C | 15.8°C | 30.7°C | 9.9°C | 80 mm | 74% | 3.1 m/s | 6.8 |
| 2016 | 27.0°C | 21.6°C | 16.3°C | 31.5°C | 9.9°C | 63 mm | 73% | 2.7 m/s | 6.5 |
| 2015 | 24.7°C | 19.6°C | 14.6°C | 29.9°C | 6.9°C | 204 mm | 82% | 2.7 m/s | 5.3 |
| 2014 | 25.9°C | 20.7°C | 15.5°C | 30.0°C | 8.9°C | 200 mm | 79% | 2.9 m/s | 5.9 |
| 2013 | 24.2°C | 19.7°C | 15.2°C | 29.4°C | 6.4°C | 107 mm | 82% | 2.8 m/s | 5.8 |
| 2012 | 28.4°C | 22.2°C | 15.9°C | 36.8°C | 9.3°C | 64 mm | 62% | 3 m/s | 7.2 |
| 2011 | 25.1°C | 20.2°C | 15.3°C | 29.8°C | 8.4°C | 125 mm | 81% | 2.8 m/s | 5.8 |
| 2010 | 26.1°C | 21.5°C | 16.8°C | 29.4°C | 11.3°C | 177 mm | 82% | 2.7 m/s | 5.9 |
| 2009 | 24.1°C | 19.3°C | 14.5°C | 31.6°C | 4.8°C | 123 mm | 82% | 2.6 m/s | 5.7 |
| 2008 | 25.3°C | 20.7°C | 16.0°C | 27.9°C | 10.7°C | 120 mm | 80% | 3 m/s | 6.1 |
| 2007 | 26.3°C | 21.2°C | 16.0°C | 31.9°C | 7.4°C | 78 mm | 74% | 2.7 m/s | 6.1 |
| 2006 | 25.1°C | 19.7°C | 14.4°C | 29.9°C | 9.8°C | 63 mm | 71% | 2.6 m/s | 6.3 |
| 2005 🔥 | 28.8°C | 23.3°C | 17.9°C | 34.6°C | 11.9°C | 51 mm | 71% | 2.7 m/s | 6.3 |
| 2004 | 24.5°C | 19.3°C | 14.1°C | 30.4°C | 6.6°C | 96 mm | 76% | 2.6 m/s | 6.2 |
| 2003 | 24.5°C | 18.2°C | 12.0°C | 32.8°C | 2.1°C | 55 mm | 70% | 2.7 m/s | 6.1 |
| 2002 | 26.0°C | 20.8°C | 15.5°C | 31.6°C | 7.7°C | 73 mm | 79% | 2.4 m/s | 5.9 |
| 2001 | 25.1°C | 19.7°C | 14.3°C | 30.9°C | 7.2°C | 78 mm | 74% | 2.5 m/s | 6 |
| 2000 | 24.8°C | 19.4°C | 14.0°C | 30.3°C | 7.2°C | 149 mm | 74% | 3.2 m/s | 5.8 |
| 1999 | 25.5°C | 20.7°C | 15.8°C | 30.9°C | 9.4°C | 105 mm | 77% | 2.4 m/s | 6 |
| 1998 | 24.8°C | 20.3°C | 15.9°C | 31.5°C | 5.7°C | 150 mm | 80% | 2.8 m/s | 5.8 |
| 1997 | 24.3°C | 19.0°C | 13.7°C | 30.6°C | 7.3°C | 130 mm | 80% | 2.6 m/s | 5.9 |
| 1996 | 24.0°C | 18.8°C | 13.5°C | 29.5°C | 8.8°C | 139 mm | 82% | 2.5 m/s | 5.4 |
| 1995 | 25.0°C | 19.8°C | 14.6°C | 29.8°C | 8.6°C | 83 mm | 78% | 2.2 m/s | 6 |
| 1994 | 25.1°C | 19.5°C | 13.9°C | 31.9°C | 4.6°C | 138 mm | 75% | 2.6 m/s | 6.3 |
| 1993 🌧️ | 23.1°C | 18.4°C | 13.6°C | 27.4°C | 4.8°C | 246 mm | 84% | 2.9 m/s | 5.5 |
| 1992 | 24.0°C | 18.1°C | 12.2°C | 29.9°C | 6.4°C | 54 mm | 68% | 2.5 m/s | 6.2 |
| 1991 | 26.3°C | 21.1°C | 15.9°C | 30.6°C | 9.1°C | 26 mm | 76% | 2.5 m/s | 6.5 |
| 1990 | 24.5°C | 19.3°C | 14.1°C | 28.9°C | 3.8°C | 117 mm | 79% | 3.4 m/s | 5.6 |
| 1989 | 24.3°C | 18.8°C | 13.3°C | 30.2°C | 8.3°C | 76 mm | 76% | 2.3 m/s | 5.9 |
| 1988 | 27.8°C | 20.8°C | 13.7°C | 37.1°C | 6.4°C | 26 mm | 57% | 3.2 m/s | 6.6 |
| 1987 | 26.4°C | 20.8°C | 15.3°C | 33.0°C | 8.4°C | 93 mm | 73% | 2.6 m/s | 6.3 |
| 1986 | 23.9°C | 18.4°C | 12.9°C | 29.6°C | 5.5°C | 132 mm | 81% | 2.9 m/s | 5.5 |
| 1985 | 23.0°C | 17.6°C | 12.1°C | 30.0°C | 6.5°C | 63 mm | 72% | 3.2 m/s | 5.7 |
| 1984 | 24.4°C | 19.3°C | 14.1°C | 27.7°C | 7.3°C | 87 mm | 81% | 3.3 m/s | 6.1 |
| 1983 | 24.8°C | 19.6°C | 14.5°C | 30.2°C | 7.8°C | 85 mm | 78% | 2.6 m/s | — |
| 1982 ❄️ | 22.1°C | 16.1°C | 10.0°C | 26.4°C | 5.9°C | 59 mm | 75% | 2.7 m/s | — |
| 1981 | 25.0°C | 20.0°C | 15.0°C | 28.8°C | 10.2°C | 170 mm | 78% | 3 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 25.4°C with lows near 14.8°C (mean 20.1°C), based on 45 years of NASA POWER data.
June averages 105 mm of rainfall in Oak Lawn, a relatively wet time of year. The wettest on record was 246 mm in 1993.
The hottest June reached 37.1°C in 1988. The coldest dipped to 2.1°C in 2003.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 3.2°C. Daytime highs moved from 23.9°C to 27.3°C and overnight lows from 13.1°C to 16.2°C over the same span.
June is one of the warmer months of the year in Oak Lawn and a relatively wet time of year, so plan for around 25.4°C daytime highs and 14.8°C at night.
Not quite — June is the 10th coolest month in Oak Lawn, averaging 20.1°C.
For June in Oak Lawn, pack light layers you can adjust through the day, with typical highs of 25.4°C and lows of 14.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 76% — quite humid.
Average wind speed in June is 2.8 m/s. The windiest June on record averaged 3.4 m/s (1990).
The wettest June on record was 1993 with 246 mm. On average, June sees 105 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 Oak Lawn 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.
