Millbrae Weather in April

Thinking of visiting Millbrae in April? Expect pleasant temperatures reaching 18°C (64°F) during the day, dropping to 9°C (48°F) at night, with some rainfall likely.

Rainfall in Millbrae in April

Historically, the month has about 8 days of rain, averaging 46 mm (1.8 in) in total. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Millbrae in April

Temperatures in Millbrae in April top out at 18°C (64°F) and drop to 9°C (48°F) overnight. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Millbrae in April

The days are predominantly sunny, with an estimated total of around 310 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Millbrae in April

April sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.

Average water temperature in April

With water at 13°C (55°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August, September and October typically offer the best circumstances for Millbrae.

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 Millbrae's climate page.

Millbrae Temperature in April

Min Temperature 9°C (48°F)  

Max Temperature 18°C (64°F)  

Water Temperature 13°C (55°F) *  

Chance of Rain 25%  

Precipitation 46 mm (1.8 in)  

Rainy days 8 days  

Humidity 72% *  

Windspeed 6 m/s (12 knots) *  

Sunshine 310 hours *  

Percentage Sunshine 78% *  

* Data from: San Francisco, the United States of America (2 KM, 1 Miles).

What to Wear in Millbrae in April

Pleasant temperatures in April mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 13°C (55°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Millbrae in April

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

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 Millbrae's climate page.

More climate data for Millbrae

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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