Diamond Bar Weather in October

What's the weather like in Diamond Bar (California) in October 2024?

The climate in Diamond Bar during October can be summarized as warm and very dry.

October is in the fall / autumn in Diamond Bar and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 27°C (80°F), whilst at night 11°C (52°F) is normal.

Diamond Bar weather averages (imperial / metric)
Daytime temperature 26.8°C 80.2°F
Nightly temperature 11.1°C 51.9°F
Average temperature 18.9°C 66°F
Daily sunshine 9.1 hrs
Avg rainfall 9 mm 0.4 ins
Rainy days 2 days
Sea temperature 18.6°C 65.6°F
Humidity 62%
Windspeed 11.5kph 7 mph

On average October is the 5th driest month of the year in Diamond Bar with around 9mm 0.4 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 9.1 hours of sunshine per day.

October temperatures in Diamond Bar

Diamond Bar average temperature in October

October rainfall

Diamond Bar average rain in October

October hourly sunshine

Diamond Bar average rain in October

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Diamond Bar in October 2024.