SwathIQ / Hail map / Colorado / Denver County

Denver County, Colorado Hail Map & History

Denver County was hit as recently as 2026-06-01, 60 days ago. Denver County is hit in most years, and usually several times over. The largest stone on record here is 2.75 inches, a baseball and 2.8 times the National Weather Service's 1 inch severe criterion, reported on 2024-05-30 near Commerce City.

36
hail days since 2010
4
days with 2″+ hail
1
hail days this year
2.75″
largest stone on record

Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Colorado. Radar-indicated, not a guarantee of damage.

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The last hail here fell on 2026-06-01, around Denver. A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Denver County addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.

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How often it hails in Denver County

NOAA's Storm Prediction Center has logged 36 separate hail days here since 2010 -- 2.1 a year over 17 years of record. Those days carry 153 separate reports between them, better than three on a typical one. 2 of those 17 years produced none at all. One year dominates the record: 2023 alone produced 8 of the 36 days. The last five years track the long-run rate, with 11 days since 2022.

4 of the 36 days reached 2 inches or more -- 11%, or about one hail day in 9, the last on 2024-05-30. They land in the same month as everything else, May. Golf-ball size is rarer still: 1.75 inches or more on 8 of the 36 days.

Across the whole of Colorado, see the Colorado hail map and history.

Hardest-hit places in Denver County

Reports cluster nearest Denver -- 25 of the county's 36 hail days -- then Sheridan (5), Columbine (4), Denver Intl Airport (4) and Aurora (3). That one town is named on 69% of them. Beyond those, NOAA names Edgewater, Englewood, Cherry Hills Vill, Cherry Creek Reser and Mountain View on more than one hail day apiece.

PlaceHail days since 2010Largest stone
Denver81.75″
3 SE Denver51.25″
1 S Denver41.75″
4 E Denver41.75″
2 NW Denver41.50″

When it hails in Denver County

The season runs May through July: 34 of the 36 hail days on record fall in those 3 months (94%). May is the single busiest month, with 13 of them (36%). That peak opens the window: the season starts at its worst and eases off from there. Hail has also been reported in August, outside that window. Reports span 4 of the 12 calendar months; the other 8 have never produced one.

MonthHail days
May13
June12
July9
August2

Recent Denver County hail days

That day put 12 reports on the map, the biggest 1.75 inches near Denver. 1 hail day has already been reported this year.

DateMax hailReports
2026-06-011.75″12
2025-07-061.00″1
2024-05-302.75″31
2023-08-031.00″1
2023-07-201.00″3
2023-07-081.00″1
2023-06-291.75″7
2023-06-221.25″2

How to read the Denver County map

The colored swath is NOAA's MRMS radar estimate of the largest hail per ~1 km cell; the dots are SPC ground reports. Yellow is about an inch, red 1.5 to 2″, purple 2″ and up (hail size vs roof damage). On this county's worst day the reports reached 2.75 inches, which is the purple band. Look up a street address with the hail history by address tool.

Nearby counties

The nearest counties with a page of their own: Jefferson County (51 hail days), Arapahoe County (82) and Adams County (62). Every one of them takes more hail than Denver County.

Jefferson County · Arapahoe County · Adams County

Back to the Colorado hail map or the U.S. hail map.

FAQ

How often does it hail in Denver County, Colorado?
NOAA's Storm Prediction Center has logged 36 separate hail days here since 2010 -- 2.1 a year over 17 years of record.
When is hail season in Denver County?
The season runs May through July: 34 of the 36 hail days on record fall in those 3 months (94%).
How big does hail get in Denver County?
The largest stone on record here is 2.75 inches, a baseball and 2.8 times the National Weather Service's 1 inch severe criterion, reported on 2024-05-30 near Commerce City.
When was the last hail in Denver County?
Denver County was hit as recently as 2026-06-01, 60 days ago.
Is the Denver County hail map free?
Yes, no login. A free account adds door-knock address lists and CRM exports.

Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Denver County, Colorado only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.