Lewiston climate

Typical historical weather for Lewiston, 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 Lewiston.

Annual average

10°C

across all months

Warmest month

24.9°C

Jul average high

Coolest month

-3.8°C

Jan average low

Annual rainfall

1058mm

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

29.5°C

5 September 2018

Coldest day

-20.5°C

13 February 2016

Wettest day

65.4mm

17 July 2021

Windiest day

14.5m/s

24 December 2022