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Precipitation patterns have also fluctuated, with May 15, 2023 recording the highest precipitation in the past 15 years at 11.9 mm, all of which came from rainfall. Interestingly, five 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 15 reaching 29 mph (2013) and the highest sustained wind speed recorded at 15 mph (2013).
These historical trends suggest that the weather on May 15 in Wilmington has been quite unpredictable over the years.
Historical May 15 Weather in Wilmington (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 | 58°F | 52°F | 1.1 mm | 1.1 mm | 0 mm | 19 mph | 9 mph |
| 2011 | 51°F | 45°F | 8.6 mm | 8.6 mm | 0 mm | 25 mph | 12 mph |
| 2012 | 80°F | 51°F | 0 mm | 0 mm | 0 mm | 19 mph | 9 mph |
| 2013 | 84°F | 67°F | 0 mm | 0 mm | 0 mm | 29 mph | 15 mph |
| 2014 | 59°F | 45°F | 5.8 mm | 5.8 mm | 0 mm | 23 mph | 9 mph |
| 2015 | 78°F | 62°F | 7.7 mm | 7.7 mm | 0 mm | 23 mph | 11 mph |
| 2016 | 61°F | 43°F | 0 mm | 0 mm | 0 mm | 23 mph | 10 mph |
| 2017 | 83°F | 59°F | 0 mm | 0 mm | 0 mm | 22 mph | 11 mph |
| 2018 | 77°F | 66°F | 1.8 mm | 1.8 mm | 0 mm | 20 mph | 9 mph |
| 2019 | 75°F | 54°F | 2.7 mm | 2.7 mm | 0 mm | 17 mph | 8 mph |
| 2020 | 73°F | 59°F | 5.2 mm | 5.2 mm | 0 mm | 26 mph | 11 mph |
| 2021 | 63°F | 53°F | 0.6 mm | 0.6 mm | 0 mm | 22 mph | 10 mph |
| 2022 | 78°F | 56°F | 0.4 mm | 0.4 mm | 0 mm | 25 mph | 13 mph |
| 2023 | 73°F | 56°F | 11.9 mm | 11.9 mm | 0 mm | 17 mph | 10 mph |
| 2024 | 75°F | 54°F | 0 mm | 0 mm | 0 mm | 17 mph | 9 mph |
