Avg High
San Francisco in March
Verdict
In San Francisco, March has a distinct spring feel. As the season moves along, the weather is warming up. You can usually expect a cool month that feels manageable day to day. The atmosphere is generally mild but frequently damp, typical of changeable seasons.
It suits travellers who want straightforward weather for sightseeing and day trips. Lookouts and coastal walks can feel sharper when the wind is up.
Avg Low
Rain
Daylight
12h
What to expect
- Temperature feel - Fresh conditions with evenings that feel distinctly cooler. Breezes and shade can make it feel cooler.
- Showers & dry spells - Frequent rain spells. Expect damp surfaces and slick paths. Wet breaks can interrupt outdoor plans.
- Sun & UV - High UV at midday. Plan big outdoor blocks earlier or later to dodge the peak. Shade breaks feel genuinely worthwhile.
- Exposure - A steady breeze, and umbrellas and loose items can struggle on gustier days. It’s the kind of wind you plan around for viewpoints and coastal walks.
March in context
How it compares to the rest of the year in San Francisco.
Hottest (avg)
#9 / 12
Wettest (avg)
#4 / 12
Daylight Hours
#7 / 12
Windiest (avg)
#5 / 12
Highest UV
#7 / 12
Most Humid
#4 / 12
Temperature
- Daytime high
-
- Nighttime low
-
- Feels like (avg)
-
Sunshine
- Daylight
- 12.0 hours
- UV index (max)
- 7
- Typical sun hours
- 06:17 – 18:17
Rain & Snow
- Total
-
- Rainy days
- 11
- Cloud cover
- 55%
- Snowfall
-
Humidity & Wind
- Humidity (avg)
- 79%
- Wind (avg)
-
- Wind (max gusts)
-
Frequently asked questions
Is March a good time to visit San Francisco?
Typical March days in San Francisco reach highs of 15°C (59°F) with nights around 8°C (46°F). It usually feels cool by day and cool after dark. Overall, March sits in the middle of the San Francisco climate range.
What are temperatures like in March?
Daytime temperatures in March typically peak near 15°C (59°F), while nights drop to around 8°C (46°F). Expect cool afternoons and cool evenings.
How much does it rain in March?
Rainfall in March averages 89 mm (3.5 in) across roughly 11 days. Overall it is a quite rainy time of year, so a light rain jacket and waterproof shoes are very handy.
How many hours of daylight are there in March?
You can expect about 12 hours of daylight in March. Sunrise is typically around 06:17 and sunset near 18:17. Daylight is fairly typical, with enough time for sightseeing.
How strong is the sun in March?
UV levels are often high (around 7). Regular sunscreen and a hat are recommended.
Is it windy in March?
In March, average wind speeds are around 15 km/h (9 mph), with gusts on the windiest days reaching about 59 km/h (37 mph). On the ground, it is it can feel quite windy at times, particularly when weather systems move through.