South San Francisco Weather in April
April in South San Francisco typically sees daytime highs of 18°C (64°F) and nighttime lows of 10°C (50°F). Expect some rainfall during the month.
Rainfall in South San Francisco in April
Historically, the month has about 7 days of rain, averaging 46 mm (1.8 in) in total. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in South San Francisco in April
If you're visiting South San Francisco in April, expect highs of 18°C (64°F) and overnight lows around 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 10°C (50°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in South San Francisco 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 South San Francisco in April
Wind speeds average 6 m/s (12 knots) during April. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.
Average water temperature in April
The water temperature is 13°C (55°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.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September and October typically offer the best weather for South San Francisco.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our South San Francisco's climate page.
South San Francisco Temperature in April
Min Temperature
10°C (50°F)
Max Temperature
18°C (64°F)
Water Temperature
13°C (55°F) *
Chance of Rain
24%
Precipitation
46 mm (1.8 in)
Rainy days
7 days
Humidity
72% *
Windspeed
6 m/s (12 knots) *
Sunshine
310 hours *
Percentage Sunshine
78% *
Best Places 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. See all of the United States of America in April →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in South San Francisco 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. With water temperatures around 13°C (55°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in South San Francisco in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our South San Francisco's climate page.
