Weather & Climate in Naalehu, HI
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Naalehu has a warm climate with an average annual temperature of 75°F (24°C). Winters average 72°F in January while summers reach 77°F in July / relatively mild seasonal variation. Annual precipitation totals 40.4 inches. Air quality is rated Good with a median AQI of 21 / among the cleanest air in the country. 97% of days have good air quality. The city sits at an elevation of 789 feet.
Temperature
72°F Jan (22°C)
77°F Jul (25°C)
| Annual Average | 75.0°F |
| 39% above US avg | |
| January Average | 72°F (22°C) |
| July Average | 77°F (25°C) |
Geography
| Elevation | 789 ft (240 m) |
| Area | 2.2 sq mi (5.6 km²) |
| Population Density | 386/sq mi |
| Coordinates | 19.0698°N, 155.5751°W |
| Timezone | Pacific/Honolulu |
| County | Hawaii County County |
| Nearest Airport | Ellison Onizuka Kona International At Keahole (KOA) 52 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 21.0 |
| Rating | Good |
| Good Days % | 97.0% |
| Unhealthy Days | 0 |
Natural Hazard Risk
| Overall Risk | Relatively High |
| Risk Score | 98.5 / 100 |
| Social Vulnerability | 56.8 / 100 |
| Community Resilience | 56.7 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Low |
| Earthquake | Relatively High |
| Wildfire | Relatively High |
| Flood | Relatively High |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | No Rating |
| Winter Weather | Very Low |
| Lightning | Very High |
| Ice Storm | Very Low |
| Drought | Very Low |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Coastal Flood | Relatively Low |
| Tsunami | Relatively Moderate |
| Volcano | Very High |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
14,138 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| May 4, 2018 | 18 km SSW of Leilani Estates, Hawaii | M6.9 | 66 km | 6 km |
| Feb 9, 2024 | 2 km SW of Pāhala, Hawaii | M5.9 | 16 km | 37 km |
| May 4, 2018 | 18 km SW of Leilani Estates, Hawaii | M5.7 | 65 km | 6 km |
| Apr 17, 1999 | 5 km N of P?hala, Hawaii | M5.6 | 22 km | 9 km |
| Mar 13, 2019 | 13 km SSE of Volcano, Hawaii | M5.5 | 49 km | 7 km |
| May 8, 1991 | Hawaii region, Hawaii | M5.5 | 74 km | 29 km |
| Aug 14, 2007 | 15 km SSE of Fern Forest, Hawaii | M5.4 | 61 km | 9 km |
| Jul 17, 2005 | 35 km SSE of Naalehu, Hawaii | M5.4 | 36 km | 32 km |
| Apr 14, 2019 | 20 km E of Kalaoa, Hawaii | M5.3 | 78 km | 13 km |
| Jun 5, 2013 | 54 km SE of P?hala, Hawaii | M5.3 | 57 km | 40 km |
| Jun 8, 2017 | 15 km S of Fern Forest, Hawaii | M5.3 | 56 km | 6 km |
| Feb 1, 1994 | 19 km ENE of P?hala, Hawaii | M5.3 | 36 km | 34 km |
| Dec 9, 1991 | 20 km SSW of Hawaiian Ocean View, Hawaii | M5.2 | 32 km | 44 km |
| Jun 28, 2015 | 12 km SSE of Volcano, Hawaii | M5.2 | 48 km | 8 km |
| Jul 5, 2021 | 12 km NNW of Kukuihaele, Hawaii | M5.2 | 128 km | 27 km |
| Jun 27, 1998 | 51 km NW of Kalaoa, Hawaii | M5.1 | 136 km | 4 km |
| May 13, 2005 | 45 km ESE of Naalehu, Hawaii | M5.1 | 45 km | 43 km |
| Jun 30, 1997 | 14 km SSE of Fern Forest, Hawaii | M5.1 | 62 km | 8 km |
| May 3, 2018 | 15 km SSE of Fern Forest, Hawaii | M5.1 | 61 km | 6 km |
| Apr 2, 2000 | 11 km SSE of Volcano, Hawaii | M5.0 | 50 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
9 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Hone | Category 1 | 86 mph | 98 km |
| 2020 | Douglas | Category 1 | 92 mph | 219 km |
| 2018 | Lane | Category 4 | 138 mph | 267 km |
| 2016 | Madeline | Category 1 | - | 273 km |
| 2014 | Iselle | Category 1 | 81 mph | 188 km |
| 2014 | Ana | Category 1 | 86 mph | 230 km |
| 2007 | Flossie | Category 3 | 109 mph | 186 km |
| 1994 | Emilia | Category 3 | 115 mph | 298 km |
| 1986 | Estelle | Category 2 | 92 mph | 233 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
6 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 4 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jan 28, 1971 | EF2 | 80 km | 1.0 mi | 0 |
| Mar 25, 1988 | EF1 | 49 km | 0.2 mi | 0 |
| Mar 20, 1980 | EF1 | 86 km | 1.0 mi | 0 |
| Feb 28, 2004 | EF0 | 17 km | 5.0 mi | 0 |
| Apr 3, 1986 | EF0 | 86 km | 0.2 mi | 0 |
| Mar 19, 1955 | EF0 | 92 km | 0.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Tsunami History
10 tsunamis recorded within 500 km. Highest wave on record: 14.3 m (47 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1975 | HAWAII | Eruption + Earthquake | 14.3 m | 2 | 71 km |
| 1868 | HAWAII | Earthquake | 13.7 m | 77 | 11 km |
| 1869 | OFF COAST OF HAWAII | Unknown | 8.2 m | - | 120 km |
| 1919 | ALIKA, HAWAII | Explosion | 4.3 m | - | 39 km |
| 1951 | HAWAII | Earthquake | 3.6 m | - | 65 km |
| 1952 | HAWAII | Earthquake | 3.0 m | - | 61 km |
| 1908 | HAWAII | Earthquake | 1.2 m | - | 61 km |
| 2018 | HAWAII | Eruption | 0.4 m | - | 66 km |
| 1989 | HAWAII | Eruption + Earthquake | 0.3 m | - | 61 km |
| 2006 | HAWAII | Earthquake | 0.1 m | - | 98 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
5 volcanoes within 200 km. Closest: Mauna Loa (45 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Mauna Loa | Shield | 4,170 m (13,681 ft) | 1984 | 45 km |
| Kilauea | Shield | 1,222 m (4,009 ft) | 2018 | 49 km |
| Hualalai | Shield | 2,523 m (8,278 ft) | 1801 | 76 km |
| Mauna Kea | Shield | 4,205 m (13,796 ft) | -2460 | 84 km |
| Haleakala | Shield | 3,055 m (10,023 ft) | 1750 | 195 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Wildfire History
13 wildfires (100+ acres) recorded within 100 km. Largest: MANA ROAD FIRE (39,849 acres, 2021).
| Year | Name | Acres Burned | Distance |
| 2021 | MANA ROAD FIRE | 39,849 | 95 km |
| 2018 | HIGHWAY 190 FIRE | 15,617 | 93 km |
| 2022 | LEILANI | 14,674 | 79 km |
| 2007 | WAIKOLOA FIRE | 8,791 | 92 km |
| 2018 | KEAUHOU RANCH BRUSH FIRE | 3,845 | 50 km |
| 2003 | LUHI FIRE | 3,479 | 55 km |
| 2002 | KUPUKUPU | 2,479 | 56 km |
| 2003 | PANAU IKI | 1,926 | 56 km |
| 2016 | PUUWAAWAA MAKAI | 1,691 | 88 km |
| 2017 | WAIKAPUNA FIRE | 1,591 | 5 km |
| 2000 | AHUWELA | 1,482 | 84 km |
| 2000 | UNNAMED | 1,178 | 78 km |
| 2000 | BROOMSEDGE | 1,011 | 50 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 72°F (22°C) | 4.0 in | Coldest |
| February | 72°F (22°C) | 3.7 in | |
| March | 73°F (23°C) | 4.4 in | |
| April | 74°F (23°C) | 2.6 in | |
| May | 75°F (24°C) | 2.5 in | |
| June | 76°F (24°C) | 1.7 in | Driest |
| July | 77°F (25°C) | 2.9 in | |
| August | 78°F (25°C) | 2.8 in | Warmest |
| September | 77°F (25°C) | 3.5 in | |
| October | 77°F (25°C) | 3.9 in | |
| November | 75°F (24°C) | 4.4 in | Wettest |
| December | 74°F (23°C) | 4.1 in |
Naalehu has a seasonal temperature swing of 5°F / from 72°F in January to 78°F in August. Total annual precipitation is 40.4 inches, with November being the wettest month (4.4") and June the driest (1.7").