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Lewisville climate
Typical historical weather for Lewisville, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Lewisville.
Annual average
19.6°C
across all months
Warmest month
35°C
Jul average high
Coolest month
2.8°C
Jan average low
Annual rainfall
1001mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
42.9°C
18 August 2023
Coldest day
-18°C
16 February 2021
Wettest day
84.5mm
22 September 2018
Windiest day
9.7m/s
15 January 2022
See the detail: Lewisville on 22 September 2018.