Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
Castro Valley Weather in August
August in Castro Valley typically sees daytime highs of 24°C (75°F) and nighttime lows of 13°C (55°F). With the least rainfall of the year, it's a reliably dry month. It falls within the summer season.
Rainfall in Castro Valley in August
This month is perfect for exploring, with the driest conditions of the year. Historically, August sees about 0 days of rain, with a monthly average of 0.1 mm (0 in).
Temperature in Castro Valley in August
Weather in Castro Valley is at its excellent in August. Highs reach 24°C (75°F), while nights settle around 13°C (55°F). August marks 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 13°C (55°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 Castro Valley in August
Enjoy a sunny month with about 288 hours of sunshine, the clear skies make Castro Valley even more beautiful.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Castro Valley Temperature in August
Min Temperature
13°C (55°F)
Max Temperature
24°C (75°F)
Chance of Rain
0%
Precipitation
0.1 mm (0 in)
Rainy days
0 days
Humidity
75% *
Sunshine
288 hours *
Percentage Sunshine
68% *
* Data from: San Francisco, the United States of America (27 KM, 17 Miles).
Castro Valley Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Castro Valley - and find the best time to visit.
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Castro Valley in August
Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
What To Do in Castro Valley in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling10/10 -
Walking10/10 -
Barbeque9/10 -
Camping10/10 -
Outdoor sports10/10
Castro Valley 3-Day Forecast
More climate data for Castro Valley
Temperature Rainfall Sunshine Humidity
See the full Castro Valley climate overview or explore weather in the United States of America.
Popular in August
Where to go in August - average daytime high across popular destinations.
Kissimmee
33°C (91°F) Orlando33°C (91°F) Miami Beach32°C (90°F) Destin32°C (90°F) New York City
29°C (84°F) Big Bear Lake
27°C (81°F) Los Angeles
24°C (75°F) San Francisco22°C (72°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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