Alta Sierra climate

Typical historical weather for Alta Sierra, 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 Alta Sierra.

Annual average

14.9°C

across all months

Warmest month

33.4°C

Jul average high

Coolest month

2.9°C

Dec average low

Annual rainfall

1578mm

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

42.3°C

6 September 2022

Coldest day

-7.4°C

23 February 2018

Wettest day

184.3mm

24 October 2021

Windiest day

7.3m/s

25 December 2025