Fullerton Weather in August

August in Fullerton sees daytime temperatures around 31°C (88°F) and lows of 18°C (64°F) at night. As the driest month of the year, combined with perfect weather, it's a great time to visit.

Rainfall in Fullerton in August

Known for its least rainfall, this month is the best of the year for people who like to spend time outdoors. Past climate data indicates that roughly 0 days will see rain, totalling around 0.3 mm (0.01 in) for the month.

Temperature in Fullerton in August

August is a perfect month in Fullerton, with 31°C (88°F) during the day and 18°C (64°F) at night. Mornings and evenings are often more comfortable than the peak afternoon hours. At 18°C (64°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 Fullerton in August

There are approximately 351 hours of sunshine this month, resulting in mostly clear days.

August in Fullerton has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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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 Fullerton's climate page.

Fullerton Temperature in August

Min Temperature 18°C (64°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 0%  

Precipitation 0.3 mm (0.01 in)  

Rainy days 0 days  

Sunshine 351 hours *  

Percentage Sunshine *  

* Data from: Corona, the United States of America (33 KM, 20 Miles).

What to Wear in Fullerton in August

Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Fullerton in August

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 Fullerton's climate page.

More climate data for Fullerton

Temperature Rainfall Sunshine

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