Diamond Bar Weather in October

October in Diamond Bar typically sees daytime highs of 28°C (82°F) and nighttime lows of 13°C (55°F). Minimal rainfall is typical for this month.

Rainfall in Diamond Bar in October

Historically, approximately 4 days this month are expected to have rain, averaging 15 mm (0.6 in). The occasional light shower is possible, but rain is rarely an issue this month.

Temperature in Diamond Bar in October

If you're visiting Diamond Bar in October, expect perfect temperatures with highs of 28°C (82°F) and overnight lows of 13°C (55°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 13°C (55°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Diamond Bar in October

There are approximately 252 hours of sunshine this month, resulting in mostly clear days.

If you favor pleasant temperatures and minimal rainfall, October is one of the best months to visit Diamond Bar.

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• January
• February
• March
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For a detailed overview over the year and the best time to visit the United States of America, check out our Diamond Bar's climate page.

Diamond Bar Temperature in October

Min Temperature 13°C (55°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 13%  

Precipitation 15 mm (0.6 in)  

Rainy days 4 days  

Sunshine 252 hours *  

Percentage Sunshine *  

* Data from: Corona, the United States of America (28 KM, 17 Miles).

What to Wear in Diamond Bar in October

Warm weather calls for comfortable, breathable clothing in October. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Diamond Bar in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Diamond Bar's climate page.

More climate data for Diamond Bar

Temperature Rainfall Sunshine

See the full Diamond Bar climate overview or explore weather in the United States of America.