Lewisville, TX All-Time Weather Extremes
The most extreme temperature, precipitation, and snowfall ever recorded in Lewisville, from NOAA daily weather observations.
| Temperature | ||
|---|---|---|
| Record High | 111°F (44°C) | May 29, 1985 and September 4, 2000 and August 4, 2011 |
| Record Low | -0.9°F (-18°C) | February 16, 2021 and February 17, 2021 |
| Lowest High | 10.9°F (-12°C) | December 22, 1989 and February 16, 2021 |
| Highest Low | 86°F (30°C) | August 4, 2011 and August 6, 2023 |
| Highest Mean | 98.5°F (37°C) | August 4, 2011 |
| Lowest Mean | 5°F (-15°C) | February 16, 2021 |
| Precipitation | ||
| Max in One Calendar Day | 8.08" (205.2 mm) | April 25, 2007 |
| Max in One Month | 23.46" (595.8 mm) | October 1981 |
| Least in One Month | 0.00" (0.0 mm) | November 2012 |
| Max in One Year | 65.09" (1653.3 mm) | 2015 |
| Least in One Year | 16.17" (410.6 mm) | 2005 |
| Snowfall | ||
| Max in One Calendar Day | 4.0" (10.2 cm) | February 23, 1975 and December 16, 1983 |
| Max in One Month | 5.0" (12.7 cm) | February 1975 |
| Max in One Season | 5.0" (12.7 cm) | 1974-75 |
| Max in One Year | 5.0" (12.7 cm) | 1975 |
| Earliest Snow | 0.5" (1.3 cm) | November 24, 1996 |
| Earliest Measurable Snow | 0.5" (1.3 cm) | November 24, 1996 |
| Latest Snow | 2.0" (5.1 cm) | March 22, 1989 |
| Latest Measurable Snow | 2.0" (5.1 cm) | March 22, 1989 |
| Period of Record | ||
| Temperature | January 1, 1970 – May 31, 2026 | |
| Precipitation | January 1, 1970 – May 31, 2026 | |
| Snowfall | January 1, 1970 – December 31, 2010 | |
Note: Records compiled from NOAA GHCN-Daily observations at DENTON 2 SE. Quality-flagged readings are excluded. Monthly and annual totals require substantially complete reporting for “least” records.
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Frequently Asked Questions
What is the hottest temperature ever recorded in Lewisville, TX?
The all-time record high in Lewisville, TX is 111°F (44°C), set on May 29, 1985 and September 4, 2000 and August 4, 2011.
What is the coldest temperature ever recorded in Lewisville, TX?
The all-time record low in Lewisville, TX is -0.9°F (-18°C), set on February 16, 2021 and February 17, 2021.
What is the most rain Lewisville, TX has ever had in one day?
The most precipitation recorded in one calendar day near Lewisville, TX is 8.08 inches, on April 25, 2007.
What is the biggest snowfall ever recorded in Lewisville, TX?
The most snow recorded in one calendar day near Lewisville, TX is 4.0 inches, on February 23, 1975 and December 16, 1983.
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Lewisville Weather History
Monthly averages, records, and climate data for Lewisville
Texas Weather Extremes
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