What to pack for San Francisco in April
- long sleeves and a warm layer
- a medium jacket
Humidity averages 79%; max daily wind around 30 km/h.
How April compares
Best months in San Francisco: April–October. See the full best time to visit San Francisco guide.
San Francisco in April: the details
In April, San Francisco sees average daytime highs of 16°C (60°F) and overnight lows of 10°C (50°F). Rainfall totals roughly 23 mm across 3.5 rainy days, and the sun shines about 11.5 hours per day with 13 hours of daylight mid-month. Relative humidity averages 79%.
In context: April is the 8th-warmest month and the 8th-wettest in San Francisco. The sunniest month is June (13.2 h/day).
| Metric | April average |
|---|---|
| Daytime high | 16°C / 60°F |
| Overnight low | 10°C / 50°F |
| Rainfall | 23 mm over 3.5 rainy days |
| Sunshine | 11.5 h/day (13 h daylight) |
| Humidity | 79% |
| Travel score | 9.4 / 10 |
These figures are climate normals computed from the ERA5 weather reanalysis (2019–2024) for San Francisco, United States (37.77, -122.42) — see our methodology. Actual conditions vary year to year.
Not set on San Francisco? Browse the best places to visit in April ranked by travel score.
Frequently asked questions
How hot is San Francisco in April?
Daytime highs in San Francisco in April average 16°C (60°F); nights drop to about 10°C.
Does it rain in San Francisco in April?
Expect around 3.5 rainy days and 23 mm of rainfall in April.
Is April a good time to visit San Francisco?
April is one of the best months to visit San Francisco. Overall travel score: 9.4/10. The best months are April–October.
Also good in April, near San Francisco
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