Hail history in Castle Rock, Colorado
Since 2015, hail was reported within 5 miles of Castle Rock on 19 days. The largest was 2.5" (tennis ball) on June 8, 2019. The most recent hail report was on July 28, 2026.
10 largest hail days
Open a date to see the map and every report from that storm.
- June 8, 2019
7 reports within 5 miles of Castle Rock2.5" (tennis ball) - July 1, 2016
3 reports within 5 miles of Castle Rock2" (hen egg) - August 5, 2017
1 report within 5 miles of Castle Rock1.5" (ping pong ball) - June 9, 2024
1 report within 5 miles of Castle Rock1.25" (half dollar) - May 10, 2023
1 report within 5 miles of Castle Rock1.25" (half dollar) - June 26, 2020
1 report within 5 miles of Castle Rock1.25" (half dollar) - July 28, 2026
1 report within 5 miles of Castle Rock1" (quarter) - August 10, 2024
1 report within 5 miles of Castle Rock1" (quarter) - August 19, 2021
5 reports within 5 miles of Castle Rock1" (quarter) - June 5, 2021
2 reports within 5 miles of Castle Rock1" (quarter)
Hail days by year
Each number is a day when hail was reported within 5 miles of Castle Rock.
- 20151 day
- 20165 days
- 20172 days
- 20180 days
- 20191 day
- 20202 days
- 20212 days
- 20220 days
- 20232 days
- 20242 days
- 20251 day
- 20261 day
When hail is most common
Hail is most common in June (7 hail days), July (4 hail days) and August (4 hail days).
- January0 days
- February0 days
- March0 days
- April1 day
- May2 days
- June7 days
- July4 days
- August4 days
- September0 days
- October1 day
- 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.