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.
- DateJune 8, 2019
Reports7 reports within 5 miles of Castle RockLargest2.5" (tennis ball) - DateJuly 1, 2016
Reports3 reports within 5 miles of Castle RockLargest2" (hen egg) - DateAugust 5, 2017
Reports1 report within 5 miles of Castle RockLargest1.5" (ping pong ball) - DateJune 9, 2024
Reports1 report within 5 miles of Castle RockLargest1.25" (half dollar) - DateMay 10, 2023
Reports1 report within 5 miles of Castle RockLargest1.25" (half dollar) - DateJune 26, 2020
Reports1 report within 5 miles of Castle RockLargest1.25" (half dollar) - DateJuly 28, 2026
Reports1 report within 5 miles of Castle RockLargest1" (quarter) - DateAugust 10, 2024
Reports1 report within 5 miles of Castle RockLargest1" (quarter) - DateAugust 19, 2021
Reports5 reports within 5 miles of Castle RockLargest1" (quarter) - DateJune 5, 2021
Reports2 reports within 5 miles of Castle RockLargest1" (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.