When to go · South San Francisco
South San Francisco in April
Great month. Inside South San Francisco's best window: Sep–Oct, Apr–Jun.
Key facts
- Verdict
- Great
- Temperature
- 17°C (63°F)63°F (17°C) / 9°C (48°F)48°F (9°C)
- average high / low
- Rain days
- 6
- Crowds
- Medium
- United States overall
- Prices
- Medium
- United States overall
Verdict
Inside South San Francisco's best window: Sep–Oct, Apr–Jun.
Is another month better than April?
No other month rates higher than April for South San Francisco in this guide.
Weather in April
- South San FranciscoHighs around 17 °C (63 °F), lows around 9 °C (48 °F), rain on about 6 daysHighs around 63 °F (17 °C), lows around 48 °F (9 °C), rain on about 6 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Spring break big impact
March–April · United States
Students fill Florida, Texas and Mexico beaches; parks busy.
Crowds and prices
- Crowds · United States overall
- Medium
- Prices · United States overall
- Medium
United States overall: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.
Compare two months
Weather, crowds and prices for any two months in South San Francisco, side by side.
Verdict
Apr: Great
May: Great
Daytime high
Apr: 17 °C (63 °F)63 °F (17 °C)
May: 18 °C (64 °F)64 °F (18 °C)
Night low
Apr: 9 °C (48 °F)48 °F (9 °C)
May: 10 °C (50 °F)50 °F (10 °C)
Rain days
Apr: 6
May: 4 (better)
Crowds
Apr: Medium
May: Medium
Prices
Apr: Medium
May: Medium
Festivals listed
Apr: 1
May: 1
April: Inside South San Francisco's best window: Sep–Oct, Apr–Jun.
May: Inside South San Francisco's best window: Sep–Oct, Apr–Jun.
South San Francisco: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm layer for the evenings