Sunnyvale Weather in August

In Sunnyvale, August brings high daytime temperatures around 26°C (79°F), with nights cooling to 15°C (59°F). It is the driest month of the year, with minimal rainfall.

Rainfall in Sunnyvale in August

This is the driest month of the year. Records from the past 30 years suggest around 0 days of rain, with 0 mm (0 in) average for the month.

Temperature in Sunnyvale in August

Sunnyvale in August has perfect weather. Days reach 26°C (79°F) and nights cool to 15°C (59°F). This month falls in the summer season. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Sunnyvale in August

Enjoy a sunny month with about 288 hours of sunshine, the clear skies make Sunnyvale even more beautiful.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, July, August, September and October typically offer the best weather for Sunnyvale.

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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 Sunnyvale's climate page.

Sunnyvale Temperature in August

Min Temperature 15°C (59°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 0%  

Precipitation 0 mm (0 in)  

Rainy days 0 days  

Humidity 75% *  

Sunshine 288 hours *  

Percentage Sunshine 68% *  

* Data from: San Francisco, the United States of America (41 KM, 25 Miles).

What to Wear in Sunnyvale in August

Warm but pleasant conditions in Sunnyvale in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Sunnyvale 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 Sunnyvale's climate page.

More climate data for Sunnyvale

Temperature Rainfall Sunshine Humidity

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