Castle Rock climate

Typical historical weather for Castle Rock, 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 Castle Rock.

Annual average

8.1°C

across all months

Warmest month

28.7°C

Jul average high

Coolest month

-11.4°C

Jan average low

Annual rainfall

490mm

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

35.2°C

27 June 2018

Coldest day

-32.1°C

16 January 2024

Wettest day

46.7mm

11 May 2023

Windiest day

7.8m/s

13 March 2019