Norco climate

Typical historical weather for Norco, 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 Norco.

Annual average

18.1°C

across all months

Warmest month

34.1°C

Aug average high

Coolest month

6.3°C

Jan average low

Annual rainfall

520mm

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

46.1°C

6 September 2020

Coldest day

-0.8°C

22 February 2019

Wettest day

81.9mm

5 February 2024

Windiest day

3.9m/s

7 January 2025