San Francisco Weather in April
San Francisco in April averages 20°C (68°F) during the day and 13°C (55°F) at night. Some rainfall is typical for this time of year.
Rainfall in San Francisco in April
Past climate data indicates that roughly 10 days will see rain, totalling around 40 mm (1.6 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in San Francisco in April
April in San Francisco is generally perfect, with days reaching 20°C (68°F) and nights settling around 13°C (55°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. 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 San Francisco in April
The month enjoys around 245 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in San Francisco in April
Average wind conditions reach 2 m/s (4 knots) in April. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.
Average water temperature in April
The water temperature is 17°C (63°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. April, May, June, July, August, September and October typically offer the best weather for San Francisco.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Spain, check out our San Francisco's climate page.
San Francisco Temperature in April
Min Temperature
13°C (55°F)
Max Temperature
20°C (68°F)
Water Temperature
17°C (63°F) *
Chance of Rain
34%
Precipitation
40 mm (1.6 in)
Rainy days
10 days
Humidity
65% *
Windspeed
2 m/s (4 knots) *
Sunshine
245 hours *
Percentage Sunshine
60% *
Best Places in Spain in April
Find out more about the weather in Spain and which places have the best travel conditions in this month. See all of Spain in April →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in San Francisco in April
For San Francisco in April, 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. Rain is likely on several days, so bring a good rain jacket. Expect water temperatures of around 17°C (63°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in 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 Spain, check out our San Francisco's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full San Francisco climate overview or explore weather in Spain.
