Lewistown climate

Typical historical weather for Lewistown, 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 Lewistown.

Annual average

12.3°C

across all months

Warmest month

29.8°C

Jul average high

Coolest month

-6.6°C

Jan average low

Annual rainfall

1048mm

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

36.8°C

28 July 2023

Coldest day

-30°C

31 January 2019

Wettest day

149.9mm

5 August 2023

Windiest day

9.1m/s

24 February 2019