506
Recorded events
0
Direct deaths
150
Direct injuries
$2.7B
Property damage
Hail in Jefferson County, Colorado: 506 recorded events between 1960 and 2025. The strongest on record measured 3. That places the county #85 nationally and #12 statewide for this hazard.
Decade by decade
Hail in Jefferson County, Colorado: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for hail in Jefferson County is the 2000s, when 126 of the county's 506 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Jefferson County archive, hail makes up 77.0% of all recorded severe weather across 10 hazard types. Nationally the county sits at #85 for this hazard and #12 within Colorado, putting it in the 97.3 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for hail in Jefferson County with 197 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Jun 22, 2023 | IDLEDALE | 2 | 0 | 90 | $0 |
| Jul 11, 1990 | 1.75 | 0 | 47 | $0 | |
| Jul 11, 1990 | 2.75 | 0 | 13 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Aug 23, 2025 | CONIFER | 1 | $0 |
| Aug 23, 2025 | CONIFER | 1 | $0 |
| Aug 23, 2025 | CONIFER | 1.5 | $0 |
| Aug 23, 2025 | EVERGREEN | 0.75 | $0 |
| Aug 23, 2025 | BERGEN PARK | 1 | $0 |
| Aug 11, 2025 | JEFFERSON CO ARPT | 0.75 | $0 |
| Jul 7, 2025 | WHEAT RIDGE | 1.5 | $0 |
| Jul 7, 2025 | EDGEWATER | 1 | $0 |
| Jun 17, 2025 | LAKEWOOD | 0.75 | $0 |
| Jun 17, 2025 | PLEASANT VIEW | 0.75 | $0 |
Other hazards here
More from Jefferson County
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Severe thunderstorms rumbled across the Denver Metropolitan area dropping mainly pea- to marble sized-hail. Wheat Ridge received hail stones up to 1.25 inches in diameter. Hail piled up to two inches deep in Wheat Ridge and Northwest Denver.
Quick answers
Frequently asked
How many hail events are on record in Jefferson County, Colorado?
506 hail events are recorded in Jefferson County between 1960 and 2025, causing 0 direct deaths.
What is the strongest hail recorded in Jefferson County?
The strongest hail on record in Jefferson County measured 3.
Where does the hail data for Jefferson County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Hail in Jefferson County, Colorado.” Severe Weather History. severeweatherhistory.com/county/colorado/jefferson-county/hail/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.