South San Francisco Weather in March

During March, South San Francisco experiences moderate daytime temperatures of 17°C (63°F) and cooler nights around 9°C (48°F). Expect quite a bit of rainfall. Around 88 mm (3.5 in) is typical.

Rainfall in South San Francisco in March

You can expect rain on roughly 11 days based on historical data, averaging 88 mm (3.5 in) for the month. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in South San Francisco in March

If you're visiting South San Francisco in March, expect highs of 17°C (63°F) and overnight lows around 9°C (48°F). The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in South San Francisco in March

There are approximately 270 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in South San Francisco in March

Average wind conditions reach 5 m/s (10 knots) in March. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in March

At 12°C (54°F), the water is too cold for most people to swim comfortably. A wetsuit is pretty much essential if you plan to go in.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August, September and October typically offer the best weather for South San Francisco.