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Monthly climate in Kahuku, Hawaii, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Kahuku features a tropical rainforest climate (Af).Temperatures typically range between 22 °C (72 °F) and 26 °C (78 °F) through the year, but rarely can drop to 16 °C (62 °F) or can rise to as high as 28 °C (83 °F).The average annual precipitation amounts to about 587 mm (23.1 inches) and receives 126 rainy days on the 1 mm (0.04 inches) threshold annually.Kahuku enjoys an average of 3566 hours of sunshine throughout the year, and daylight varies from 10 hours 49 minutes to 13 hours 25 minutes per day.

Monthly average temperatures in Kahuku, Hawaii, United States §

The warmest months in Kahuku are July, August and September, with daily mean temperatures ranging from 25 to 26 °C (78 - 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, Kahuku experiences 157 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 Kahuku, 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
(78°F)		 25°C
(78°F)		 26°C
(78°F)		 26°C
(78°F)		 27°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(82°F)		 27°C
(82°F)		 26°C
(79°F)
Mean maximum 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 26°C
(79°F)		 26°C
(79°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(82°F)		 27°C
(81°F)		 27°C
(80°F)		 25°C
(78°F)
Average high 24°C
(75°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(75°F)		 25°C
(77°F)		 26°C
(78°F)		 26°C
(79°F)		 26°C
(80°F)		 26°C
(80°F)		 26°C
(79°F)		 25°C
(78°F)		 24°C
(76°F)
Daily mean 23°C
(73°F)		 22°C
(72°F)		 22°C
(72°F)		 23°C
(74°F)		 24°C
(75°F)		 25°C
(77°F)		 25°C
(78°F)		 26°C
(78°F)		 26°C
(78°F)		 25°C
(78°F)		 25°C
(76°F)		 23°C
(74°F)
Average low 22°C
(72°F)		 21°C
(70°F)		 22°C
(71°F)		 22°C
(72°F)		 23°C
(74°F)		 24°C
(75°F)		 25°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(73°F)
Mean minimum 21°C
(70°F)		 19°C
(66°F)		 20°C
(68°F)		 21°C
(69°F)		 21°C
(70°F)		 23°C
(73°F)		 23°C
(74°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)		 22°C
(72°F)		 21°C
(70°F)
Minimum 20°C
(68°F)		 16°C
(62°F)		 19°C
(66°F)		 19°C
(67°F)		 19°C
(67°F)		 22°C
(72°F)		 23°C
(73°F)		 23°C
(74°F)		 23°C
(74°F)		 22°C
(72°F)		 21°C
(70°F)		 19°C
(66°F)

Compare climate in Kahuku with other places

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

Monthly average precipitation in Kahuku, Hawaii, United States §

Kahuku usually has the most precipitation in February, March and December, with an average of 14 rainy days and 84 mm (3.3 inches) of precipitation per month.The driest months in Kahuku are January, May and July. On average, 31 mm (1.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kahuku, 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) 31 (1.2) 83 (3.3) 82 (3.2) 37 (1.5) 31 (1.2) 44 (1.7) 30 (1.2) 31 (1.2) 31 (1.2) 57 (2.3) 42 (1.6) 87 (3.4)
Average precipitation days (≥ 1 mm) 8 13 14 8 9 6 11 8 7 14 13 15

Monthly sunshine hours in Kahuku, Hawaii, United States §

The sunniest months in Kahuku are June, July and August, when the sun shines an average of 11 hours 8 minutes a day.Least sunny months in Kahuku: January, February and December receive an average of 7 hours 54 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kahuku, 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 217 250 286 308 336 337 349 337 318 300 272 251
Mean daily daylight hours 10h 58m 11h 26m 12h 2m 12h 39m 13h 10m 13h 25m 13h 16m 12h 49m 12h 13m 11h 36m 11h 4m 10h 49m

Solar UV radiation in Kahuku, Hawaii, United States §

Kahuku experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 13 - 13, which corresponds to the Extreme category of sun exposure.January, November and December are in the High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 8. For more detailed information, check out our hourly Kahuku UV Index data.

Average daily maximum UV levels by month for Kahuku, 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 10 11 12 12 13 13 13 12 11 8 7