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

19.1°C

across all months

Warmest month

34.2°C

Jul average high

Coolest month

3.2°C

Jan average low

Annual rainfall

1397mm

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°C

25 August 2023

Coldest day

-19.1°C

16 February 2021

Wettest day

116.5mm

9 March 2016

Windiest day

6.8m/s

19 March 2025