San Francisco in April
Mild spring days
By Daan · Last reviewed October 2026
The short answer
April is a reasonable month in San Francisco — with trade-offs.
April is mild and mostly dry, a good month for walking the city's hills.
April in detail
What April actually feels like
- Weather
- 10–17°C
- Mild and mostly dry.
- Crowds
- Moderate
- Moderate, building toward summer.
- Prices
- $$$
- Mid-range rates.
+Mostly dry and mild.
–Can be windy.
My tip for April
Book Alcatraz tickets a few weeks ahead.
- Walking
- Food
How April compares
Against the other eleven months
6th of 12 overall in San Francisco, 3rd for weather, 6th for space, 6th for value. The emptiest month is January; the best value is January.
See all twelve months for San FranciscoNot set on April?
Even stronger months in San Francisco
Also good in April
Weather
Weather in San Francisco in April
In April San Francisco averages a high of 17°C (63°F) and a low of 10°C (50°F), with about 41 mm of rain or snow over 7 wet days. The warmest month is September (around 21°C) and the coolest is January (around 14°C); the wettest month is December.
- Average high
- 17°C
- 63°F
- Average low
- 10°C
- 50°F
- Precipitation
- 41 mm
- Wet days
- 7
Climate data: NOAA (downtown San Francisco, 1991–2020). Temperatures are averages of daily highs and lows.
Quick answers
San Francisco in April: the questions people ask
- Is April a good time to visit San Francisco?
- April is a reasonable month in San Francisco — with trade-offs. It ranks 6 of 12 months in San Francisco overall (3 for weather, 6 for space, 6 for value). The main upside: Mostly dry and mild. The main downside: Can be windy.
- What is the weather like in San Francisco in April?
- Average highs are around 17°C and lows around 10°C. Expect about 41 mm of rain or snow over roughly 7 wet days. Mild and mostly dry. For comparison, the warmest month is September (around 21°C) and the coolest is January (around 14°C).
- Is San Francisco crowded in April?
- Crowds are moderate. Moderate, building toward summer. The quietest month is January.
- How expensive is San Francisco in April?
- Prices are at level 3 of 5 ($$$). Mid-range rates. The best-value month is January.
- When is the best time to visit San Francisco?
- In the CrowdFreeViews month scores, September is the best month overall (April ranks 6 of 12). The quietest month is January and the best value is January.