California hail history
IndependentNot affiliated with NOAA or the National Weather Service.
California had hail reported on 139 days from 2016 to 2025, about 14 a year, and on 470 days since 1955. The largest hailstone on record in the state is 3.00″ (May 24, 2019). Santa Clara County had the most hail days of any county from 2016 to 2025 (17).
Source: NOAA Storm Prediction Center storm reports. Data through November 6, 2026. Methodology
Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.
Report counts rose over the decades as more people and spotters reported storms, so compare recent years with each other rather than with the 1960s.
California cities with the most hail days, 2016–2025
| City | Hail days 2016–25 | 1″+ hail days | Largest hail | Last hail |
|---|---|---|---|---|
| Mill Valley | 8 | 0 | 1.00″ | Mar 10, 2021 |
| Larkspur | 7 | 0 | 1.00″ | Mar 10, 2021 |
| Corte Madera | 7 | 0 | 1.00″ | Mar 10, 2021 |
| Santa Clara | 7 | 0 | 0.35″ | Mar 10, 2021 |
| Daly City | 7 | 0 | 0.50″ | Mar 10, 2021 |
| San Rafael | 6 | 0 | 1.00″ | Aug 17, 2020 |
| San Anselmo | 6 | 0 | 1.00″ | Aug 17, 2020 |
| Piedmont | 6 | 0 | 0.75″ | Jan 16, 2020 |
| Pleasanton | 6 | 0 | 0.25″ | Mar 15, 2021 |
| Walnut Creek | 6 | 0 | 0.50″ | Mar 30, 2024 |
| Dublin | 6 | 0 | 0.25″ | Mar 15, 2021 |
| Campbell | 6 | 0 | 0.38″ | Mar 25, 2020 |
| Pleasant Hill | 6 | 0 | 0.50″ | Mar 30, 2024 |
| Saratoga | 6 | 0 | 0.38″ | Mar 25, 2020 |
| Scotts Valley | 6 | 0 | 0.25″ | Mar 29, 2023 |
| Seaside | 5 | 0 | 1.00″ | Mar 29, 2023 |
| Monterey | 5 | 0 | 1.00″ | Mar 29, 2023 |
| Capitola | 5 | 0 | 0.75″ | Mar 10, 2021 |
| Fairfax | 5 | 0 | 1.00″ | Aug 17, 2020 |
| Carmel-by-the-Sea | 5 | 0 | 0.75″ | Mar 29, 2023 |
Biggest hail days in California since 2016
| Day | Largest hail | Reports |
|---|---|---|
| May 24, 2019 | 3.00″ | 6 |
| January 23, 2016 | 3.00″ | 5 |
| August 6, 2017 | 1.75″ | 3 |
| June 5, 2023 | 1.75″ | 3 |
| August 2, 2017 | 1.75″ | 2 |
| July 1, 2016 | 1.75″ | 1 |
| August 20, 2017 | 1.75″ | 1 |
| August 22, 2020 | 1.75″ | 1 |
| April 10, 2026 | 1.50″ | 2 |
| August 10, 2019 | 1.50″ | 1 |
| May 5, 2016 | 1.25″ | 4 |
| April 24, 2016 | 1.25″ | 3 |
The largest hail and the biggest storm days since 1955, with radar swaths since 2019: Biggest hail storms in California history
California counties
| County | Hail days 2016–25 | All-time hail reports | Largest hail | Last hail |
|---|---|---|---|---|
| Santa Clara County | 17 | 35 | 1.00″ | Mar 30, 2024 |
| San Bernardino County | 14 | 66 | 2.00″ | Sep 18, 2025 |
| Humboldt County | 14 | 28 | 1.00″ | Apr 9, 2026 |
| Alameda County | 13 | 20 | 0.75″ | Mar 30, 2024 |
| Santa Cruz County | 11 | 21 | 1.75″ | Mar 29, 2023 |
| Monterey County | 11 | 21 | 1.00″ | Mar 29, 2023 |
| Sonoma County | 11 | 21 | 0.75″ | Mar 10, 2021 |
| Marin County | 10 | 12 | 1.00″ | Mar 10, 2021 |
| San Francisco County | 10 | 10 | 0.50″ | Mar 28, 2023 |
| San Mateo County | 9 | 9 | 0.25″ | Mar 30, 2024 |
| San Diego County | 7 | 51 | 1.75″ | Aug 11, 2024 |
| El Dorado County | 7 | 22 | 1.75″ | Jul 26, 2025 |
| Contra Costa County | 7 | 14 | 0.75″ | Apr 6, 2020 |
| Kern County | 6 | 38 | 1.75″ | Jun 5, 2023 |
| Trinity County | 6 | 21 | 1.50″ | Jul 30, 2025 |
| Tehama County | 6 | 26 | 3.00″ | Mar 17, 2025 |
| Riverside County | 5 | 29 | 2.75″ | Apr 26, 2025 |
| Siskiyou County | 5 | 22 | 2.00″ | Jul 23, 2018 |
| Placer County | 5 | 9 | 2.00″ | Feb 19, 2024 |
| Los Angeles County | 4 | 31 | 1.75″ | Mar 24, 2024 |
| Tulare County | 4 | 24 | 1.50″ | Apr 21, 2026 |
| Plumas County | 3 | 20 | 1.75″ | Jul 27, 2020 |
| Shasta County | 3 | 26 | 3.00″ | May 24, 2019 |
| Madera County | 3 | 22 | 1.75″ | Apr 21, 2026 |
| Mariposa County | 3 | 9 | 1.25″ | Jul 13, 2024 |
| Butte County | 3 | 11 | 1.00″ | Mar 6, 2023 |
| Tuolumne County | 3 | 6 | 1.25″ | Mar 11, 2023 |
| Fresno County | 2 | 71 | 1.75″ | Mar 11, 2023 |
| Kings County | 2 | 24 | 2.50″ | Sep 11, 2017 |
| Nevada County | 2 | 18 | 1.75″ | Jun 8, 2023 |
| Lassen County | 2 | 15 | 1.75″ | Jul 31, 2022 |
| Mono County | 2 | 11 | 1.00″ | Aug 13, 2026 |
| Sacramento County | 2 | 10 | 1.50″ | Apr 10, 2026 |
| Glenn County | 2 | 8 | 1.25″ | Mar 23, 2023 |
| San Benito County | 2 | 3 | 1.00″ | Apr 12, 2018 |
| Del Norte County | 2 | 3 | 0.75″ | Nov 7, 2022 |
| Sutter County | 2 | 4 | 1.25″ | Jan 23, 2017 |
| Orange County | 1 | 12 | 2.00″ | Mar 20, 2019 |
| Merced County | 1 | 9 | 1.75″ | May 26, 2019 |
| Napa County | 1 | 6 | 1.75″ | Jun 11, 2017 |
| San Joaquin County | 1 | 6 | 1.00″ | Apr 10, 2026 |
| Stanislaus County | 1 | 4 | 1.00″ | Apr 27, 2016 |
| San Luis Obispo County | 1 | 5 | 1.00″ | Mar 22, 2017 |
| Alpine County | 1 | 5 | 1.75″ | Jul 20, 2020 |
| Calaveras County | 1 | 3 | 1.75″ | Nov 18, 2020 |
| Yolo County | 1 | 3 | 1.00″ | Sep 28, 2019 |
| Lake County | 1 | 2 | 1.50″ | May 10, 2022 |
| Amador County | 1 | 2 | 1.00″ | Sep 8, 2017 |
| Yuba County | 1 | 1 | 1.00″ | May 30, 2020 |
| Colusa County | 1 | 1 | 1.25″ | Feb 2, 2019 |
| Imperial County | 0 | 10 | 1.75″ | Jul 18, 2015 |
| Ventura County | 0 | 6 | 1.50″ | Oct 19, 2010 |
| Solano County | 0 | 6 | 1.00″ | Nov 2, 2015 |
| Inyo County | 0 | 6 | 1.00″ | Jul 9, 2015 |
| Sierra County | 0 | 6 | 1.00″ | Jul 8, 2015 |
| Santa Barbara County | 0 | 5 | 1.75″ | May 18, 2006 |
| Modoc County | 0 | 5 | 2.00″ | Aug 4, 2003 |
| Mendocino County | 0 | 3 | 1.50″ | Sep 21, 1986 |
Places with fewer than 5 hail days on record are listed without a link and kept out of search engines.
When hail falls in California, by month and week: California hail season
Download every California hail, tornado and wind report as CSV, by year: California storm report downloads
All California cities
Alameda Bakersfield Big Bear Lake Campbell Capitola Carmel-by-the-Sea Chico Concord Corning Corte Madera Daly City Dublin El Centro Fairfax Fresno Lafayette Larkspur Los Gatos Madera Mill Valley Monte Sereno Monterey Oakland Orinda Pacific Grove Piedmont Pleasant Hill Pleasanton Red Bluff San Anselmo San Rafael Santa Clara Santa Cruz Santa Rosa Saratoga Scotts Valley Seaside South Lake Tahoe Susanville Truckee Twentynine Palms Visalia Walnut Creek
Guides: How to check if it hailed at your address · Hail size chart and roof damage