Littleton hail storm history
Arapahoe County·NOAA NCEI Storm Events Database·~75-day publication lag
Littleton, located in Arapahoe County, sits on the Colorado Front Range where afternoon convective storms tracking northeast from the Rocky Mountains create consistent hail exposure. This geographic position places the city in a corridor where conditions favor hail formation during the warm season.
Check if your roof was damaged by recent hail
Hail in Littleton follows a pronounced seasonal pattern, with the highest risk occurring between May and July. Most significant hail events develop during afternoon and early evening hours (2 p.m. to 7 p.m. Mountain Time) as heating destabilizes the atmosphere along the Front Range. Secondary hail activity occurs in April and August as spring and late-summer storm systems move through the region.
Annual frequency — last 10 years
When hail hits — monthly pattern
Avg events per month · all years · NOAA data
All recorded hail events
Of 17 recorded events, 9 (53%) reached 1.5" or larger — the threshold for likely functional damage on standard asphalt shingles.
NOAA National Centers for Environmental Information Storm Events Database. Publication lag is approximately 75 days — current-year events may be incomplete.
NOAA Storm Events Database ↗