648
Recorded events
0
Direct deaths
0
Direct injuries
$40K
Property damage
Heavy Rain in Hawaii County, Hawaii: 648 recorded events between 2002 and 2026. The strongest on record measured 0. That places the county #1 nationally and #1 statewide for this hazard.
Decade by decade
Heavy Rain in Hawaii County, Hawaii: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for heavy rain in Hawaii County is the 2010s, when 382 of the county's 648 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 Hawaii County archive, heavy rain makes up 67.7% of all recorded severe weather across 11 hazard types. Nationally the county sits at #1 for this hazard and #1 within Hawaii, putting it in the 100.0 percentile of all U.S. counties.
Seasonality
Events by month
Mar is the peak month for heavy rain in Hawaii County with 81 recorded events, while Jun 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.
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Feb 8, 2026 | KUKUIHAELE | — | $40K |
| Feb 21, 2023 | HAKALAU | 0 | $0 |
| Oct 28, 2022 | PUUANAHULU | 0 | $0 |
| Oct 14, 2022 | WAIKOLOA VILLAGE | 0 | $0 |
| Oct 7, 2022 | HALAULA | 0 | $0 |
| Oct 6, 2022 | HALAULA | 0 | $0 |
| Sep 26, 2022 | PUAKO | 0 | $0 |
| Sep 25, 2022 | KAWAIHAE | 0 | $0 |
| Sep 12, 2022 | KAWAIHAE | 0 | $0 |
| Sep 11, 2022 | VOLCANO | 0 | $0 |
Other hazards here
More from Hawaii County
- Flash Flood 137
- Flood 89
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Heavy rain, estimated at 2 to 3 inches, produced about 1 foot of water flowing across State Route 270 near mile marker 10 around 7:45 PM on the 10th. The highway, however, remained open and no damage or injuries were reported.
Heavy showers over leeward sections of the Big Island of Hawaii, especially in Kailua Kona town, caused ponding on roadways, and small stream and drainage ditch flooding. However, no serious injuries or property damage were reported.
Showers and thunderstorms moving through northern and eastern parts of the Big Island of Hawaii caused small stream and drainage ditch flooding, and ponding on roadways. There were no reports of significant injuries or property damage.
Quick answers
Frequently asked
How many heavy rain events are on record in Hawaii County, Hawaii?
648 heavy rain events are recorded in Hawaii County between 2002 and 2026, causing 0 direct deaths.
What is the strongest heavy rain recorded in Hawaii County?
The strongest heavy rain on record in Hawaii County measured 0.
Where does the heavy rain data for Hawaii 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.
Cite this page
“Heavy Rain in Hawaii County, Hawaii.” Severe Weather History. severeweatherhistory.com/county/hawaii/hawaii-county/heavy-rain/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.