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Precipitation patterns have also fluctuated, with June 22, 2016 recording the highest precipitation in the past 15 years at 34.8 mm, all of which came from rainfall. Interestingly, four years out of the last 15 years had no measurable precipitation on this date.
Wind speeds have varied as well, with the strongest gust on June 22 reaching 45 mph (2015) and the highest sustained wind speed recorded at 22 mph (2015).
These historical trends suggest that the weather on June 22 in Romeoville has been quite unpredictable over the years.
Historical June 22 Weather in Romeoville (Last 15 Years)
| Year | High Temp (°F) | Low Temp (°F) | Precipitation (mm) | Rain (mm) | Snowfall (mm) | Strongest Wind Gust (mph) | Max Wind Speed (mph) |
|---|---|---|---|---|---|---|---|
| 2010 | 85°F | 72°F | 13.4 mm | 13.4 mm | 0 mm | 23 mph | 11 mph |
| 2011 | 71°F | 66°F | 2 mm | 2 mm | 0 mm | 38 mph | 19 mph |
| 2012 | 81°F | 64°F | 0 mm | 0 mm | 0 mm | 16 mph | 8 mph |
| 2013 | 87°F | 73°F | 0.2 mm | 0.2 mm | 0 mm | 24 mph | 12 mph |
| 2014 | 83°F | 65°F | 0 mm | 0 mm | 0 mm | 15 mph | 7 mph |
| 2015 | 86°F | 66°F | 5.6 mm | 5.6 mm | 0 mm | 45 mph | 22 mph |
| 2016 | 81°F | 64°F | 34.8 mm | 34.8 mm | 0 mm | 32 mph | 9 mph |
| 2017 | 85°F | 71°F | 4.1 mm | 4.1 mm | 0 mm | 35 mph | 17 mph |
| 2018 | 68°F | 59°F | 28.7 mm | 28.7 mm | 0 mm | 30 mph | 15 mph |
| 2019 | 77°F | 57°F | 0.8 mm | 0.8 mm | 0 mm | 26 mph | 12 mph |
| 2020 | 83°F | 67°F | 19.3 mm | 19.3 mm | 0 mm | 30 mph | 12 mph |
| 2021 | 74°F | 53°F | 0.1 mm | 0.1 mm | 0 mm | 29 mph | 13 mph |
| 2022 | 89°F | 71°F | 0 mm | 0 mm | 0 mm | 20 mph | 9 mph |
| 2023 | 84°F | 65°F | 0 mm | 0 mm | 0 mm | 27 mph | 12 mph |
| 2024 | 92°F | 75°F | 12.6 mm | 12.6 mm | 0 mm | 39 mph | 19 mph |
