Hail history in Johnstown, Colorado
Since 2015, hail was reported within 5 miles of Johnstown on 7 days. The largest was 2.75" (baseball) on June 17, 2025. The most recent hail report was on July 1, 2026.
Largest hail days
Open a date to see the map and every report from that storm.
- DateJune 17, 2025
Reports6 reports within 5 miles of JohnstownLargest2.75" (baseball) - DateMay 28, 2024
Reports2 reports within 5 miles of JohnstownLargest1.75" (golf ball) - DateJune 13, 2021
Reports3 reports within 5 miles of JohnstownLargest1.5" (ping pong ball) - DateJuly 1, 2026
Reports2 reports within 5 miles of JohnstownLargest1.25" (half dollar) - DateSeptember 11, 2019
Reports2 reports within 5 miles of JohnstownLargest1.25" (half dollar) - DateJune 11, 2023
Reports1 report within 5 miles of JohnstownLargest1" (quarter) - DateMay 18, 2025
Reports1 report within 5 miles of JohnstownLargest0.75" (penny)
Hail days by year
Each number is a day when hail was reported within 5 miles of Johnstown.
- 20150 days
- 20160 days
- 20170 days
- 20180 days
- 20191 day
- 20200 days
- 20211 day
- 20220 days
- 20231 day
- 20241 day
- 20252 days
- 20261 day
When hail is most common
Hail is most common in June (3 hail days), May (2 hail days) and July (1 hail day).
- January0 days
- February0 days
- March0 days
- April0 days
- May2 days
- June3 days
- July1 day
- August0 days
- September1 day
- October0 days
- November0 days
- December0 days
Where hail was reported
Under 1"1" to 1.74"1.75" (golf ball) and up
Reports show where people observed hail, not what fell on a particular roof. This is general information, not insurance, legal or roofing advice.