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Weather & Climate in Honaunau-Napoopoo, HI

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Honaunau-Napoopoo enjoys a temperate climate with an average annual temperature of 68°F (20°C). Winters average 66°F in January while summers reach 70°F in July / relatively mild seasonal variation. The area gets 330 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 36.2 inches. Air quality is rated Good with a median AQI of 24 / among the cleanest air in the country. The city sits at an elevation of 3,736 feet.

Temperature

66°F Jan (19°C) 70°F Jul (21°C)
Annual Average68.1°F
26% above US avg
January Average66°F (19°C)
July Average70°F (21°C)
Sunny Days330 days/yr

Geography

Elevation3,736 ft (1,139 m)
Area40.7 sq mi (105.4 km²)
Population Density67/sq mi
Coordinates19.4725°N, 155.8415°W
TimezonePacific/Honolulu
CountyHawaii County County
Nearest AirportEllison Onizuka Kona International At Keahole (KOA)
19 miles away

Precipitation & Snow

Annual Rainfall 36.2"
5% below US avg
Snowfall 0.0"
Wettest Month (May) 8.19"
Driest Month (Sep) 4.17"

Air Quality

AQI Median24.0
RatingGood

Natural Hazard Risk

Overall RiskRelatively High
Risk Score98.5 / 100
Social Vulnerability56.8 / 100
Community Resilience56.7 / 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

14,270 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 90 km 6 km
Feb 9, 2024 2 km SW of Pāhala, Hawaii M5.9 48 km 37 km
May 4, 2018 18 km SW of Leilani Estates, Hawaii M5.7 88 km 6 km
Apr 17, 1999 5 km N of P?hala, Hawaii M5.6 44 km 9 km
Mar 13, 2019 13 km SSE of Volcano, Hawaii M5.5 69 km 7 km
May 8, 1991 Hawaii region, Hawaii M5.5 42 km 29 km
Aug 14, 2007 15 km SSE of Fern Forest, Hawaii M5.4 82 km 9 km
Jul 17, 2005 35 km SSE of Naalehu, Hawaii M5.4 88 km 32 km
Apr 14, 2019 20 km E of Kalaoa, Hawaii M5.3 30 km 13 km
Jun 5, 2013 54 km SE of P?hala, Hawaii M5.3 103 km 40 km
Jul 15, 2005 50 km NNE of Pa‘auilo, Hawaii M5.3 130 km 15 km
Jun 8, 2017 15 km S of Fern Forest, Hawaii M5.3 77 km 6 km
Feb 1, 1994 19 km ENE of P?hala, Hawaii M5.3 62 km 34 km
Dec 9, 1991 20 km SSW of Hawaiian Ocean View, Hawaii M5.2 65 km 44 km
Jun 28, 2015 12 km SSE of Volcano, Hawaii M5.2 68 km 8 km
Jul 5, 2021 12 km NNW of Kukuihaele, Hawaii M5.2 86 km 27 km
Jun 27, 1998 51 km NW of Kalaoa, Hawaii M5.1 83 km 4 km
Jun 30, 1997 14 km SSE of Fern Forest, Hawaii M5.1 83 km 8 km
May 13, 2005 45 km ESE of Naalehu, Hawaii M5.1 95 km 43 km
May 3, 2018 15 km SSE of Fern Forest, Hawaii M5.1 82 km 6 km
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Hurricane History

7 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 125 km
2020 Douglas Category 1 92 mph 187 km
2018 Lane Category 4 132 mph 249 km
2014 Iselle Category 1 81 mph 224 km
2014 Ana Category 1 86 mph 240 km
2007 Flossie Category 2 104 mph 231 km
1986 Estelle Category 2 92 mph 275 km
Source: NOAA IBTrACS (Category 1+, 1980–2026).

Tornado History

7 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF2. Total: 4 injuries.

Date Rating Distance Path Fatalities
Jan 28, 1971 EF2 28 km 1.0 mi 0
Mar 25, 1988 EF1 36 km 0.2 mi 0
Mar 20, 1980 EF1 82 km 1.0 mi 0
Feb 28, 2004 EF0 51 km 5.0 mi 0
Apr 3, 1986 EF0 82 km 0.2 mi 0
Nov 20, 1978 EF0 99 km 0.1 mi 0
Mar 19, 1955 EF0 86 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 85 km
1868 HAWAII Earthquake 13.7 m 77 64 km
1869 OFF COAST OF HAWAII Unknown 8.2 m 106 km
1919 ALIKA, HAWAII Explosion 4.3 m 28 km
1951 HAWAII Earthquake 3.6 m 17 km
1952 HAWAII Earthquake 3.0 m 98 km
1908 HAWAII Earthquake 1.2 m 103 km
2018 HAWAII Eruption 0.4 m 90 km
1989 HAWAII Eruption + Earthquake 0.3 m 81 km
2006 HAWAII Earthquake 0.1 m 46 km
Source: NOAA/NCEI Historical Tsunami Database.

Nearby Volcanoes

5 volcanoes within 200 km. Closest: Mauna Loa (25 km).

Name Type Elevation Last Eruption Distance
Mauna Loa Shield 4,170 m (13,681 ft) 1984 25 km
Hualalai Shield 2,523 m (8,278 ft) 1801 25 km
Mauna Kea Shield 4,205 m (13,796 ft) -2460 55 km
Kilauea Shield 1,222 m (4,009 ft) 2018 58 km
Haleakala Shield 3,055 m (10,023 ft) 1750 144 km
Source: Smithsonian Institution Global Volcanism Program (GVP).

Wildfire History

17 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 55 km
2005 LALAMILO 18,960 56 km
2018 HIGHWAY 190 FIRE 15,617 47 km
2022 LEILANI 14,674 36 km
2007 WAIKOLOA FIRE 8,791 46 km
2018 KEAUHOU RANCH BRUSH FIRE 3,845 52 km
2015 KAWAIHAE FIRE 3,743 63 km
2003 LUHI FIRE 3,479 75 km
2002 KUPUKUPU 2,479 77 km
2003 PANAU IKI 1,926 78 km
2016 PUUWAAWAA MAKAI 1,691 37 km
2017 WAIKAPUNA FIRE 1,591 56 km
1992 KAWAIHAE 1,567 62 km
2000 AHUWELA 1,482 63 km
2000 UNNAMED 1,178 57 km
2005 AKONE-PULE HWY 1,148 73 km
2000 BROOMSEDGE 1,011 57 km
Source: NIFC/IRWIN Wildfire Records (100+ acres).

Monthly Weather

Month Avg Temperature Precipitation Summary
January 66°F (19°C) 5.2 in Coldest
February 67°F (19°C) 5.6 in
March 67°F (19°C) 6.5 in
April 68°F (20°C) 7.4 in
May 69°F (21°C) 8.2 in Wettest
June 70°F (21°C) 4.8 in
July 70°F (21°C) 5.6 in
August 72°F (22°C) 5.7 in Warmest
September 72°F (22°C) 4.2 in Driest
October 71°F (22°C) 4.2 in
November 70°F (21°C) 6.4 in
December 67°F (20°C) 4.6 in

Honaunau-Napoopoo has a seasonal temperature swing of 6°F / from 66°F in January to 72°F in August. Total annual precipitation is 68.3 inches, with May being the wettest month (8.2") and September the driest (4.2").

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