Sisters climate

Typical historical weather for Sisters, 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 Sisters.

Annual average

9°C

across all months

Warmest month

30.2°C

Jul average high

Coolest month

-3.4°C

Feb average low

Annual rainfall

699mm

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

42.1°C

29 June 2021

Coldest day

-24.2°C

5 January 2017

Wettest day

50.9mm

18 December 2025

Windiest day

7.3m/s

4 November 2022