Hail in Dewey County, Oklahoma

Hail in Dewey County, Oklahoma: 335 recorded events between 1956 and 2026. The strongest on record measured 4.75. That places the county #244 nationally and #43 statewide for this hazard.

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for hail in Dewey County is the 2000s, when 95 of the county's 335 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.

Within the Dewey County archive, hail makes up 52.8% of all recorded severe weather across 7 hazard types. Nationally the county sits at #244 for this hazard and #43 within Oklahoma, putting it in the 92.1 percentile of all U.S. counties.

May is the peak month for hail in Dewey County with 92 recorded events, while Nov is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.

• Thunderstorm Wind 232
• Tornado 54

How many hail events are on record in Dewey County, Oklahoma?

335 hail events are recorded in Dewey County between 1956 and 2026, causing 0 direct deaths.

What is the strongest hail recorded in Dewey County?

The strongest hail on record in Dewey County measured 4.75.

Where does the hail data for Dewey County come from?

All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.