Hail History

Hail history for Merced County, California

Every NOAA hail report filed in Merced County since 1998, with preliminary National Weather Service reports to November 3, 2026.

Readout · Merced County

Last hail
May 26, 2019
0.75 in, penny size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
1.75 in
golf ball · Apr 12, 2012

11 reports on 9 days since 1998 · #29 of 47 California counties

Hail map · Merced County

25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
8 most recent reports with a location. Dot size and colour follow hail size. Open street map

For homeowners

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Send a request to Moxisync Labs for review. The latest hail report in Merced County is from May 26, 2019. We’re building local roofer coverage. Submitting a request does not guarantee a quote or book an inspection.

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What the record says about Merced County

The latest hail report in Merced County is from May 26, 2019, 0.75 in (penny size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Merced County logged 4 reports on 3 hail days, about 0.2 reports a year. That is about half the median California county (0.4 a year) and ranks #29 of 47 California counties for all-time reports. Merced 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 1.75 in (golf ball) on April 12, 2012 near Atwater.

The busiest year was 1998, with 3 reports on 2 days. Hail here peaks in April (45% of reports); 73% fall between April and June.

Reports a year 2006–2025 average

  • Merced County 0.2
  • Median California county 0.4

Hail days 2006–2025

  • Merced County 3
  • Median California county 7

Share 2 in or larger of sized reports

  • Merced County 0%
  • Median California county 0%

Hail over time

0123 1998: 3 reports, largest 1.00 in 2000: 2 reports, largest 1.00 in 2000 2001: 1 reports, largest 0.75 in 2002: 1 reports, largest 0.50 in 2005 2010 2012: 2 reports, largest 1.75 in 2015: 1 reports, largest 1.00 in 2015 2019: 1 reports, largest 0.75 in 2020 2025
Reports per year, 1998–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb March: 2 reports (18%) Mar April: 5 reports (45%) Apr May: 3 reports (27%) May Jun Jul Aug Sep October: 1 reports (9%) Oct Nov Dec
All 11 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 1 1
2018 0
2017 0

Largest hail on record

Largest hail reports in Merced County
Date Size Location Time · source
Apr 12, 2012 1.75 ingolf ball Atwater 17:05 local · NCEI
May 7, 2015 1.00 inquarter Livingston 12:50 local · NCEI
Apr 12, 2012 1.00 inquarter Atwater 16:45 local · NCEI
Oct 29, 2000 1.00 inquarter 9 SE Merced Arpt 18:50 local · NCEI
Mar 28, 1998 1.00 inquarter Merced 16:25 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Merced County
Date Size Location Damage Time · source
May 26, 2019 0.75 inpenny Atwater — 12:46 local · NCEI
May 7, 2015 1.00 inquarter Livingston — 12:50 local · NCEI
Apr 12, 2012 1.75 ingolf ball Atwater — 17:05 local · NCEI
Apr 12, 2012 1.00 inquarter Atwater — 16:45 local · NCEI
May 20, 2002 0.50 inmarble Planada — 16:40 local · NCEI
Apr 7, 2001 0.75 inpenny 5 SE Merced — 16:21 local · NCEI
Oct 29, 2000 1.00 inquarter 9 SE Merced Arpt — 18:50 local · NCEI
Apr 17, 2000 0.25 inpea 11 WSW Santa Nella $30K 17:30 local · NCEI
Apr 13, 1998 — Atwater — 16:00 local · NCEI
Mar 28, 1998 0.75 inpenny 5 S Merced — 17:15 local · NCEI
Mar 28, 1998 1.00 inquarter Merced — 16:25 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.

PlaceReportsHail daysLatest
Atwater32May 26, 2019
Merced22Apr 7, 2001
Livingston11May 7, 2015

Questions about hail in Merced County

How often does it hail in Merced County, California?

11 hail reports have been logged in Merced County since 1998. Over the 20 years 2006–2025 that averages 0.2 reports a year. That ranks #29 of 47 California counties by number of reports.

When is hail season in Merced County?

Most reports come in April, May, March. April alone accounts for 45% of all reports.

What is the largest hail recorded in Merced County?

1.75 in (golf ball size) on April 12, 2012 near Atwater. 0% of reports here were 2 inches or larger.

When did it last hail in Merced County?

The most recent report in this data is from May 26, 2019 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Merced County had in the last five years?

None: there has been no hail report in Merced County since November 3, 2021. The last one was on May 26, 2019.

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.