Mid-spring · Weather & things to do
San Francisco in April
San Francisco edges warmer than March, with highs of 63°F (17°C), lows of 47°F (8°C) and about 1.7 in (42 mm) of rain.
It scores 89/100 for comfort, 7th of 12, which makes it a solid shoulder-season month.
- Avg high
- 63°F (17°C)
- Avg low
- 47°F (8°C)
- Rain
- 1.7 in (42 mm)
- Humidity
- 80%
- Cloud cover
- 53%
- Daylight
- ~12 h 59 min
- Comfort score
- 89/100 · Great
What April feels like
Days are mild at around 63°F (17°C): comfortable for walking all day, with a layer for the evening.
Lows average 47°F (8°C).
Rain is moderate at about 1.7 in (42 mm) for the month.
Plan around April
April is shoulder season: good weather, a step below the best months (May – October).
- Comfort improves from 79/100 in March to 89/100.
- April sits inside the Apr – Oct window our Pacific Coast Highway route recommends.
What to pack for April
- A warm layer for eveningslows near 47°F
- Comfortable walking shoesmost picks involve some walking
What to do in San Francisco in April
April is good outdoor weather here, so these picks lean toward the open air.
Ferry Building Marketplace
Bayfront hall of local producers: oysters, cheese, bread and coffee under one roof.
Buena Vista Cafe
Bar at the cable car turnaround that popularized Irish coffee in the US.
Vesuvio Cafe
Two-floor bohemian bar next to City Lights, a Kerouac-era hangout since 1948.
City Lights Booksellers
Beat-era bookstore and publisher with a poetry room upstairs.
Golden Gate Bridge Welcome Center
Walk partway onto the bridge from the south end for the classic span-and-bay view.
Why now April scores 89/100 for comfort, good conditions for being outside.
Nearby in April
- Sonoma in April~36 mi · highs 67°F, 1.9 in rain · 3°C (5°F) warmer by day, about as wet
- Napa in April~51 mi · highs 65°F, 1.9 in rain · 1°C (2°F) warmer by day, about as wet
- Healdsburg in April~63 mi · highs 61°F, 2.5 in rain · similar daytime temperatures, wetter
- Old Sacramento Waterfront in April~75 mi · highs 71°F, 2.0 in rain · 4°C (8°F) warmer by day, about as wet
These averages also cover Lands End & Ocean Beach and The Embarcadero & Ferry Building.
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
San Francisco in April: quick answers
Is April a good time to visit San Francisco?
It's a good shoulder-season choice, scoring 89/100 against a best of 95 in May – October. Expect highs of 63°F (17°C) and 1.7 in (42 mm) of rain. April is inside the Apr – Oct window our Pacific Coast Highway route recommends.
How cold is San Francisco in April?
Average highs are 63°F (17°C) and average lows 47°F (8°C), making it the 5th-coldest month by daytime highs.
Does it rain a lot in San Francisco in April?
Not much: about 1.7 in (42 mm) of rain falls across April on average, the 6th-wettest month of the year. The annual total is about 23.0 in (585 mm).
What should I pack for San Francisco in April?
Bring a warm layer for evenings (lows near 47°F) and comfortable walking shoes (most picks involve some walking).
More on San Francisco
Routes in season in April
- Pacific Coast Highway Apr – Oct
Planning San Francisco in April?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.