Hail history for Mariposa County, California
Every NOAA hail report filed in Mariposa County since 2000, with preliminary National Weather Service reports to November 3, 2026.
Readout · Mariposa County
- Last hail
- Jul 13, 2024
- 1.00 in, quarter size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 1 report
- Largest ever
- 1.25 in
- half dollar · Oct 4, 2010
10 reports on 10 days since 2000 · #32 of 47 California counties
Hail map · Mariposa County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Mariposa County
The latest hail report in Mariposa County is from July 13, 2024, 1.00 in (quarter size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 1.00 in on July 13, 2024.
Over the 20 years 2006–2025, Mariposa County logged 8 reports on 8 hail days, about 0.4 reports a year. That is about the same as the median California county (0.4 a year) and ranks #32 of 47 California counties for all-time reports. Mariposa County holds 1% of all 938 hail reports in California.
0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median California county. The largest hail on record here is 1.25 in (half dollar) on October 4, 2010 near 4.18 S Usona.
Reports were down 40% in 2016–2025 (3) compared with 2006–2015 (5). The busiest year was 2017, with 2 reports on 2 days. Hail here peaks in August (30% of reports); 20% fall between April and June.
Reports a year 2006–2025 average
- Mariposa County 0.4
- Median California county 0.4
Hail days 2006–2025
- Mariposa County 8
- Median California county 7
Share 2 in or larger of sized reports
- Mariposa County 0%
- Median California county 0%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 | 2 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Jul 13, 2024 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| Oct 4, 2010 | 1.25 inhalf dollar | 4.18 S Usona | 00:00 local · NCEI |
| Jul 13, 2024 | 1.00 inquarter | 0.55 W Yosemite Vlg | 15:32 local · NCEI |
| Mar 21, 2017 | 1.00 inquarter | 2.34 SSW Coulterville | 13:30 local · NCEI |
| Jul 10, 2007 | 0.88 innickel | 1.29 WSW Yosemite Vlg | 13:20 local · NCEI |
| Jun 27, 2006 | 0.88 innickel | 7 N Yosemite Lodge | 16:58 local · NCEI |
Size of every report
- Under 1 in 7 70%
- 1–2 in 3 30%
- 2 in + 0 0%
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Jul 13, 2024 | 1.00 inquarter | 0.55 W Yosemite Vlg | 15:32 local · NCEI |
| Aug 2, 2017 | 0.75 inpenny | 5.81 NNW Yosemite Lodge | 15:02 local · NCEI |
| Mar 21, 2017 | 1.00 inquarter | 2.34 SSW Coulterville | 13:30 local · NCEI |
| Oct 4, 2010 | 1.25 inhalf dollar | 4.18 S Usona | 00:00 local · NCEI |
| May 28, 2009 | 0.75 inpenny | 1.29 WSW Yosemite Vlg | 16:30 local · NCEI |
| Jul 10, 2007 | 0.88 innickel | 1.29 WSW Yosemite Vlg | 13:20 local · NCEI |
| Jun 27, 2006 | 0.88 innickel | 7 N Yosemite Lodge | 16:58 local · NCEI |
| Jan 14, 2006 | 0.75 inpenny | 4 NW Hornitos | 14:25 local · NCEI |
| Aug 3, 2000 | 0.75 inpenny | 15 NE Yosemite Vlg | 16:20 local · NCEI |
| Aug 1, 2000 | 0.50 inmarble | 15 NE Yosemite Vlg | 13:50 local · NCEI |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Yosemite Valley | 3 | 3 | Jul 13, 2024 |
| Coulterville | 1 | 1 | Mar 21, 2017 |
| Hornitos | 1 | 1 | Jan 14, 2006 |
Questions about hail in Mariposa County
How often does it hail in Mariposa County, California?
10 hail reports have been logged in Mariposa County since 2000. Over the 20 years 2006–2025 that averages 0.4 reports a year. That ranks #32 of 47 California counties by number of reports.
When is hail season in Mariposa County?
Most reports come in August, July, January. August alone accounts for 30% of all reports.
What is the largest hail recorded in Mariposa County?
1.25 in (half dollar size) on October 4, 2010 near 4.18 S Usona. 0% of reports here were 2 inches or larger.
When did it last hail in Mariposa County?
The most recent report in this data is from July 13, 2024 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Mariposa County had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 1 reports. The most recent was July 13, 2024.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.