567
Recorded events
0
Direct deaths
2
Direct injuries
$0
Property damage
Heavy Rain in Honolulu County, Hawaii: 567 recorded events between 2002 and 2024. The strongest on record measured 0. That places the county #3 nationally and #3 statewide for this hazard.
Decade by decade
Heavy Rain in Honolulu County, Hawaii: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for heavy rain in Honolulu County is the 2010s, when 307 of the county's 567 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 Honolulu County archive, heavy rain makes up 60.5% of all recorded severe weather across 13 hazard types. Nationally the county sits at #3 for this hazard and #3 within Hawaii, putting it in the 99.9 percentile of all U.S. counties.
Seasonality
Events by month
Oct is the peak month for heavy rain in Honolulu County with 87 recorded events, while Jul 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.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Oct 26, 2024 | KAIMUKI | 0 | 0 | 2 | $0 |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Oct 26, 2024 | KAIMUKI | 0 | $0 |
| Oct 12, 2022 | MAKAHA VALLEY | 0 | $0 |
| Sep 23, 2022 | MOKULEIA | 0 | $0 |
| Sep 11, 2022 | MOKULEIA | 0 | $0 |
| Sep 11, 2022 | MAKAHA VALLEY | 0 | $0 |
| Sep 10, 2022 | MOKULEIA | 0 | $0 |
| Aug 24, 2022 | KAAAWA | 0 | $0 |
| Aug 17, 2022 | KANEOHE | 0 | $0 |
| Aug 7, 2022 | MOKULEIA | 0 | $0 |
| Aug 6, 2022 | HAUULA | 0 | $0 |
Other hazards here
More from Honolulu County
- Flash Flood 147
- Flood 78
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Small stream and drainage ditch flooding, along with ponding on roadways, occurred in windward sections of Oahu as heavy showers and isolated thunderstorms affected the area. No significant property damage or injuries were reported.
Heavy showers and steady rain produced small stream and drainage ditch flooding and ponding of raodways in windward and central parts of the island of Oahu. This included communities from Kahuku to Mililani to Waimanalo. No serious property damage or injuries were reported.
Quick answers
Frequently asked
How many heavy rain events are on record in Honolulu County, Hawaii?
567 heavy rain events are recorded in Honolulu County between 2002 and 2024, causing 0 direct deaths.
What is the strongest heavy rain recorded in Honolulu County?
The strongest heavy rain on record in Honolulu County measured 0.
Where does the heavy rain data for Honolulu 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 Honolulu County, Hawaii.” Severe Weather History. severeweatherhistory.com/county/hawaii/honolulu-county/heavy-rain/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.