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Monthly climate in Naalehu, Hawaii, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Naalehu features a oceanic climate (Cfb).Temperatures typically range between 22 °C (72 °F) and 25 °C (78 °F) through the year, but rarely can drop to 19 °C (66 °F) or can rise to as high as 28 °C (83 °F).The average annual precipitation amounts to about 548 mm (21.6 inches) and receives 69 rainy days on the 1 mm (0.04 inches) threshold annually.Naalehu enjoys an average of 3522 hours of sunshine throughout the year, and daylight varies from 10 hours 59 minutes to 13 hours 14 minutes per day.

Monthly average temperatures in Naalehu, Hawaii, United States §

The warmest months in Naalehu are August, September and October, with daily mean temperatures ranging from 25 to 25 °C (77 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 22 to 23 °C (72 - 73 °F) throughout the day. On average each year, Naalehu experiences 99 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Naalehu, Hawaii, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 25°C
(77°F)		 25°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 26°C
(79°F)		 26°C
(79°F)		 27°C
(81°F)		 27°C
(82°F)		 27°C
(81°F)		 28°C
(83°F)		 27°C
(81°F)		 26°C
(79°F)
Mean maximum 24°C
(76°F)		 25°C
(76°F)		 24°C
(75°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 26°C
(80°F)		 27°C
(80°F)		 26°C
(80°F)		 27°C
(80°F)		 26°C
(80°F)		 25°C
(78°F)
Average high 23°C
(74°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(74°F)		 24°C
(75°F)		 25°C
(76°F)		 25°C
(78°F)		 26°C
(78°F)		 26°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(75°F)
Daily mean 23°C
(73°F)		 22°C
(72°F)		 22°C
(73°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(76°F)		 23°C
(75°F)
Average low 22°C
(72°F)		 22°C
(71°F)		 22°C
(72°F)		 22°C
(73°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)
Mean minimum 21°C
(70°F)		 20°C
(68°F)		 21°C
(69°F)		 21°C
(71°F)		 22°C
(72°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(75°F)		 23°C
(74°F)		 23°C
(73°F)		 22°C
(72°F)
Minimum 19°C
(67°F)		 19°C
(67°F)		 19°C
(66°F)		 20°C
(68°F)		 21°C
(71°F)		 22°C
(73°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(73°F)		 22°C
(71°F)		 21°C
(70°F)

Compare climate in Naalehu with other places

Compare temperature, precipitation, sunshine, UV index in Naalehu, Hawaii, United States with other places around the world.

Monthly average precipitation in Naalehu, Hawaii, United States §

Naalehu usually has the most precipitation in February, March and October, with an average of 9 rainy days and 90 mm (3.5 inches) of precipitation per month.The driest months in Naalehu are June, July and November. On average, 14 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Naalehu, Hawaii, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 30 (1.2) 136 (5.4) 66 (2.6) 30 (1.2) 36 (1.4) 16 (0.6) 11 (0.4) 56 (2.2) 19 (0.8) 67 (2.6) 16 (0.6) 64 (2.5)
Average precipitation days (≥ 1 mm) 5 11 9 6 6 4 3 3 3 7 5 7

Monthly sunshine hours in Naalehu, Hawaii, United States §

The sunniest months in Naalehu are May, June and July, when the sun shines an average of 10 hours 55 minutes a day.Least sunny months in Naalehu: January, February and December receive an average of 8 hours 3 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Naalehu, Hawaii, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 220 253 274 304 330 332 341 329 311 295 268 258
Mean daily daylight hours 11h 6m 11h 31m 12h 2m 12h 35m 13h 1m 13h 14m 13h 7m 12h 43m 12h 12m 11h 40m 11h 12m 10h 59m

Solar UV radiation in Naalehu, Hawaii, United States §

Naalehu experiences the highest level of ultraviolet (UV) radiation in April, July and August, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure.January, November and December are in the Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Naalehu UV Index data.

Average daily maximum UV levels by month for Naalehu, Hawaii, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 8 11 12 13 13 13 14 14 13 12 9 8