Foster City weather in April (California, United States of America)

Is April a good time to explore Foster City weather-wise? See what weather conditions to anticipate this month with our guide.

Temperatures

In April, Foster City typically experiences pleasant temperatures and moderate rainfall. Throughout the daytime, temperatures often hover around 19°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 9°C.

Precipitation

Foster City in April usually receives moderate rainfall, averaging around 38 mm for the month. When we look at the climate data from the last 30 years, you can expect around 7 days of rain.

Average sunshine

Enjoy a sunny month with about 310 hours of sunshine, providing a cheerful and lively atmosphere.

In case you lean more towards enjoying temperate temperatures and rain-free days May, June, July, August, September and October typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Foster City climate page with graphs.

 

Foster City, monthly averages in April

Min Temperature 9°C  

Max Temperature 19°C  

Water Temperature 13°C *  

Chance of Rain 23%  

Precipitation 38 mm  

Rainy days 7 days  

Humidity 72% *  

Windspeed 22 km/h *  

Sunshine 310 hours *  

Percentage Sunshine 78% *  

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

Where to go in the United States of America in April

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Foster City, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes. With a water temperature of around 13°C there is no need to bring your swimwear.

What To Do

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

Cycling

10/10

Walking

10/10

Camping

5/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Foster City.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.