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 July
July in Castro Valley averages 25°C (77°F) during the day and 13°C (55°F) at night. With only 0.2 mm (0.01 in) of rainfall expected on average, it's a largely dry month.
Rainfall in Castro Valley in July
Typically around 0 days of rainfall are expected, averaging 0.2 mm (0.01 in) for the month.
Temperature in Castro Valley in July
The excellent temperature in Castro Valley in July makes it a solid month to visit, with 25°C (77°F) during the day and 13°C (55°F) at night. Summer occurs in July. This kind of day-to-night contrast is typical for this time of year. 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 July
With approximately 313 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If you favor pleasant temperatures and minimal rainfall, July is one of the best months to visit Castro Valley.
Castro Valley Temperature in July
Min Temperature
13°C (55°F)
Max Temperature
25°C (77°F)
Chance of Rain
0%
Precipitation
0.2 mm (0.01 in)
Rainy days
0 days
Humidity
75% *
Sunshine
313 hours *
Percentage Sunshine
70% *
* 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 July
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 July →
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 July
Comfortable temperatures call for an easy wardrobe in July. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Castro Valley in July
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 July
Where to go in July - average daytime high across popular destinations.
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Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
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