HailHistory › Hail by county › California › Trinity County
California · county FIPS 06105
Hail history for Trinity County, CA
Trinity County has 21 recorded hail events in the NOAA Storm Events Database — 14 of them 1″ or larger. The largest on record: 1.5″ (ping-pong ball) on August 22, 2013.
Mark size = measured hail diameter; slivers are events with no recorded size. Amber ≥2″, red ≥2.75″ (baseball class). Denser recent decades partly reflect better reporting, not only more storms.
When it hails in Trinity County
Recorded events by month, 1950–present. The amber bar marks Trinity County's peak: July.
Most recent recorded events
| Date | Size | Comparable to |
|---|---|---|
| 1.0″ | Quarter | |
| 1.0″ | Quarter | |
| 1.0″ | Quarter | |
| 1.0″ | Quarter | |
| 1.0″ | Quarter | |
| 1.0″ | Quarter | |
| 0.88″ | Nickel | |
| 1.5″ | Ping-pong ball |
Looking for a specific storm? Use the did-it-hail date lookup for Trinity County.
From the storm reports
Narratives as filed with the NOAA Storm Events Database (public records; lightly trimmed for length).
· 1.0″ (quarter)
Report of half-inch to one-inch sized hail near Trinity Lake.
· 1.5″ (ping-pong ball)
A thunderstorm impacted Big Bar and produced a hail event that lasted for 30 minutes. The estimated hail size was as large as a golf ball. The hail covered the ground to a depth of 2 inches with drifts up to 6 inches deep.
Events by decade
| 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 1 | 7 | 5 | 6 | 2 |
The climb across decades is largely a reporting story: spotter networks, radar, and digital filing pulled far more storms into the record after the 1990s.
Questions about hail in Trinity County
Has it ever hailed in Trinity County?
Yes — 21 hail events have been recorded for Trinity County, CA in the NOAA Storm Events Database since 1987, including 14 of 1″ (quarter size) or larger.
When did it last hail in Trinity County?
The most recent recorded hail event for Trinity County, CA is July 30, 2025, with 1.0″ (quarter) hail. The database is currently updated through April 2026, so a storm from the last few weeks may not appear yet. To check a specific day, use the did-it-hail date lookup.
What is the largest hail ever recorded in Trinity County?
1.5″ (ping-pong ball), recorded on August 22, 2013. Hail that size meets or exceeds the National Weather Service severe threshold. See how big that really is on the actual-size hail chart.
Does a recorded hail event mean my roof was damaged?
No. This page reports storm records, not damage. Hail size and damage vary block by block within a county, and only an inspection can establish what happened to a specific roof. If you suspect damage, talk to your insurer or a licensed roofer — they can pull the same NOAA records for your claim.
More California hail history
Source: NOAA/NCEI Storm Events Database, public domain, updated monthly by NCEI — this site's copy runs through April 2026. HailHistory reports records; it does not give insurance advice or assess damage.