Foster City Weather in July

During July, Foster City experiences high daytime temperatures of 24°C (75°F) and cooler nights around 14°C (57°F). As the driest month of the year, rainfall is at its lowest.

Rainfall in Foster City in July

Dry conditions dominate this month. A great time for outdoor fun and exploration. Based on our climate data of the past 30 years, about 0 days of rain are anticipated, with 0 mm (0 in) on average.

Temperature in Foster City in July

The excellent temperature in Foster City in July makes it a solid month to visit, with 24°C (75°F) during the day and 14°C (57°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 14°C (57°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Foster City in July

Expect sunny days throughout the month, with an estimated 313 hours of sunshine. This makes it a pleasant time to visit Foster City.

Wind Speed in Foster City in July

Wind speeds average 7 m/s (14 knots) during July. At this speed, you experience strong wind that can make entire trees sway and create resistance when walking. Since this is an average, expect variation from moderate windy periods to particularly gusty days when umbrellas become difficult to control.

Average water temperature in July

The water temperature is 14°C (57°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.

If you favor pleasant temperatures and minimal rainfall, July is one of the best months to visit Foster City.

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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 Foster City's climate page.

Foster City Temperature in July

Min Temperature 14°C (57°F)  

Max Temperature 24°C (75°F)  

Water Temperature 14°C (57°F) *  

Chance of Rain 0%  

Precipitation 0 mm (0 in)  

Rainy days 0 days  

Humidity 75% *  

Windspeed 7 m/s (14 knots) *  

Sunshine 313 hours *  

Percentage Sunshine 70% *  

* Data from: San Francisco, the United States of America (11 KM, 7 Miles).

What to Wear in Foster City in July

For Foster City in July, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. With water temperatures around 14°C (57°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Foster City in July

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

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

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 Foster City's climate page.

More climate data for Foster City

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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