Hottest (avg)
#7 / 12
San Francisco in April
April weather, climate averages, and packing tips.
Avg High
Avg Low
Rain
Daylight 13h
What to expect
As spring continues, April brings, where the weather is warming up. Daytime highs average 17°C / 62°F, dropping to 9°C / 48°F at night.
You can expect a mix of sun and cloud, with about 6 days seeing some rain.
April in context
How it compares to the rest of the year in San Francisco.
Wettest (avg)
#6 / 12
Daylight Hours
#5 / 12
Windiest (avg)
#3 / 12
Highest UV
#5 / 12
Most Humid
#9 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 13.2 hours
- UV index (max)
- 8
- Typical sun hours
- 05:33 – 18:45
Rain & Snow
- Total
-
- Rainy days
- 6
- Cloud cover
- 46%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 76%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is April a good time to visit San Francisco?
Typical April days in San Francisco reach highs of 17°C (63°F) with nights around 9°C (48°F). It usually feels mild by day and cool after dark. Overall, April sits in the middle of the San Francisco climate range.
What are temperatures like in April?
Daytime temperatures in April typically peak near 17°C (63°F), while nights drop to around 9°C (48°F). Expect mild afternoons and cool evenings.
How much does it rain in April?
Rainfall in April averages 41 mm (1.6 in) across roughly 6 days. Overall it is a moderately wet time of year, so showers are usually brief rather than all-day downpours.
How many hours of daylight are there in April?
You can expect about 13 hours of daylight in April. Sunrise is typically around 05:33 and sunset near 18:45. You get long days with comfortable amounts of daylight.
Does the weather change during April?
April often starts off a little cooler and becomes noticeably warmer by the end of the month.
How strong is the sun in April?
UV levels are often high (around 8). Regular sunscreen and a hat are recommended.
Is it windy in April?
In April, average wind speeds are around 17 km/h (11 mph), with gusts on the windiest days reaching about 60 km/h (37 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.