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Boulder City climate
Typical historical weather for Boulder City, 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 Boulder City.
Annual average
21.9°C
across all months
Warmest month
41.2°C
Jul average high
Coolest month
5°C
Jan average low
Annual rainfall
155mm
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
47.6°C
7 July 2024
Coldest day
-2.7°C
21 January 2025
Wettest day
37.3mm
20 November 2019
Windiest day
7.2m/s
28 June 2020
See the detail: Boulder City on 20 November 2019.