Hail History

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Hail history for South San Francisco, CA

Last hail within 10 milesMar 10, 20210.25 in (pea)
Hail days, last 12 monthsNone
Largest hail since 20060.5 in (marble)Nov 29, 2018
Hail days since 200611
Days with hail 1 inch or larger0
Damaging wind reports within 10 miles14

Hail has been reported within 10 miles of South San Francisco on 11 days since 2006. The largest stones measured 0.5 in (marble) on Nov 29, 2018. Hail is most common here in January and February.

South San Francisco ranks #1,033 for hail days among the 1,399 U.S. cities of 25,000 to 100,000 people. See the ranking →

Recent hail near South San Francisco

No hail was reported within 10 miles of South San Francisco in the last two years.

Hail days near South San Francisco by year

06070809101112131415165173181191201212223242526

When hail season peaks near South San Francisco

Of the 11 hail days since 2006, most fell in January (4) and February (2).

4Jan2Feb2MarAprMayJunJulAug1SepOct2NovDec

Largest hail storms near South San Francisco

Nov 29, 2018 · 0.5 in (marble) · San Francisco (7 mi from South San Francisco)

Jan 20, 2017 · 0.25 in (pea) · San Francisco (8 mi from South San Francisco)

Jan 22, 2017 · 0.25 in (pea) · Ocean View (2 mi from South San Francisco)

Jan 23, 2017 · 0.25 in (pea) · San Francisco (6 mi from South San Francisco)

Mar 5, 2017 · 0.25 in (pea) · San Francisco (8 mi from South San Francisco)

Damaging thunderstorm winds near South San Francisco

14 reports of damaging thunderstorm wind within 10 miles of South San Francisco since 2006, on 10 days. The strongest measured gust was 97 mph on Dec 14, 2024.

DateStrongest gustWhereSource
Dec 25, 202572 mph, measuredSfo Intl. Airport, Colma
2 wind reports		NOAA Storm Events
Dec 24, 202567 mph, measuredPedro Vly
1 wind report		NOAA Storm Events
Dec 14, 202497 mph, measuredSharp Park, Sfo Intl. Airport, Crissy Aaf
3 wind reports		NOAA Storm Events
Mar 1, 202440 mph, estimatedSan Francisco
1 wind report		NOAA Storm Events
Jan 14, 2023damage reportedCrissy Aaf
1 wind report		NOAA Storm Events
Jan 10, 202370 mph, estimatedBayshore, Sfo Intl. Airport
2 wind reports		NOAA Storm Events
Aug 17, 202063 mph, measuredPacifica
1 wind report		NOAA Storm Events
Aug 16, 202054 mph, measuredSan Francisco
1 wind report		NOAA Storm Events
Jan 20, 201064 mph, measuredPedro Vly
1 wind report		NOAA Storm Events
Jan 18, 201059 mph, measuredSfo Intl. Airport
1 wind report		NOAA Storm Events

Severe thunderstorm wind means gusts of 58 mph or more, or wind that caused damage. Measured gusts come from weather stations; estimated ones from spotters and damage surveys.

Filing a roof or car hail claim?

Insurers ask for the date of loss. The dates on this page are when hail was reported near South San Francisco; hail can hit one street and miss the next, so a report is not proof of damage at your address. A licensed roofer or your insurance adjuster can inspect the roof. Many policies set a time limit for filing a claim — check yours.

Nearby cities

Data: NOAA NCEI Storm Events Database (final records through Jun 30, 2026) and National Weather Service Local Storm Reports (preliminary, since then). Distances are measured from the center of South San Francisco.

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