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Precipitation patterns have also fluctuated, with May 19, 2017 recording the highest precipitation in the past 15 years at 13.1 mm, all of which came from rainfall. Interestingly, six 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 May 19 reaching 44 mph (2019) and the highest sustained wind speed recorded at 18 mph (2017).
These historical trends suggest that the weather on May 19 in Lemont has been quite unpredictable over the years.
Historical May 19 Weather in Lemont (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 | 70.3°F | 48.7°F | 0 mm | 0 mm | 0 mm | 24 mph | 9 mph |
| 2011 | 68.7°F | 49.7°F | 0.1 mm | 0.1 mm | 0 mm | 14 mph | 6 mph |
| 2012 | 86.1°F | 59.5°F | 0 mm | 0 mm | 0 mm | 21 mph | 10 mph |
| 2013 | 83.2°F | 61.8°F | 0 mm | 0 mm | 0 mm | 24 mph | 11 mph |
| 2014 | 66.2°F | 46.4°F | 0.5 mm | 0.5 mm | 0 mm | 30 mph | 14 mph |
| 2015 | 55.7°F | 43.2°F | 0 mm | 0 mm | 0 mm | 19 mph | 10 mph |
| 2016 | 66.1°F | 44.6°F | 0 mm | 0 mm | 0 mm | 15 mph | 7 mph |
| 2017 | 49.1°F | 43.2°F | 13.1 mm | 13.1 mm | 0 mm | 36 mph | 18 mph |
| 2018 | 72.3°F | 56.8°F | 0.5 mm | 0.5 mm | 0 mm | 23 mph | 11 mph |
| 2019 | 73.7°F | 54.3°F | 10.9 mm | 10.9 mm | 0 mm | 44 mph | 17 mph |
| 2020 | 63.3°F | 51.6°F | 0.8 mm | 0.8 mm | 0 mm | 31 mph | 15 mph |
| 2021 | 75.9°F | 62.6°F | 7.6 mm | 7.6 mm | 0 mm | 32 mph | 15 mph |
| 2022 | 81.6°F | 52.9°F | 0.1 mm | 0.1 mm | 0 mm | 29 mph | 15 mph |
| 2023 | 73.3°F | 53.4°F | 2 mm | 2 mm | 0 mm | 26 mph | 13 mph |
| 2024 | 75.0°F | 58.9°F | 0 mm | 0 mm | 0 mm | 21 mph | 10 mph |
