Mattawa climate

Typical historical weather for Mattawa, 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 Mattawa.

Annual average

11.8°C

across all months

Warmest month

33°C

Jul average high

Coolest month

-3.6°C

Jan average low

Annual rainfall

311mm

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

45.8°C

29 June 2021

Coldest day

-23.1°C

13 January 2017

Wettest day

25.9mm

4 November 2022

Windiest day

7.7m/s

27 November 2019