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Monthly climate in Captain Cook, Hawaii, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Captain Cook features a oceanic climate (Cfb).Temperatures typically range between 20 °C (68 °F) and 23 °C (73 °F) through the year, but rarely can drop to 15 °C (60 °F) or can rise to as high as 27 °C (81 °F).The average annual precipitation amounts to about 3387 mm (133.3 inches) and receives 316 rainy days on the 1 mm (0.04 inches) threshold annually.Captain Cook enjoys an average of 3530 hours of sunshine throughout the year, and daylight varies from 10 hours 57 minutes to 13 hours 16 minutes per day.

Monthly average temperatures in Captain Cook, Hawaii, United States §

The warmest months in Captain Cook are August, September and October, with daily mean temperatures ranging from 23 to 23 °C (73 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 20 to 20 °C (68 - 69 °F) throughout the day. On average each year, Captain Cook experiences 15 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 Captain Cook, 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 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 25°C
(77°F)		 26°C
(79°F)		 26°C
(80°F)		 27°C
(81°F)		 26°C
(79°F)		 25°C
(78°F)		 26°C
(79°F)
Mean maximum 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(75°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(76°F)
Average high 22°C
(71°F)		 21°C
(71°F)		 22°C
(71°F)		 22°C
(72°F)		 23°C
(73°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)		 22°C
(73°F)
Daily mean 20°C
(69°F)		 20°C
(68°F)		 20°C
(69°F)		 21°C
(70°F)		 21°C
(71°F)		 22°C
(72°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 22°C
(72°F)		 21°C
(70°F)
Average low 19°C
(66°F)		 19°C
(66°F)		 19°C
(67°F)		 20°C
(68°F)		 20°C
(69°F)		 21°C
(70°F)		 21°C
(71°F)		 22°C
(71°F)		 22°C
(71°F)		 21°C
(71°F)		 21°C
(70°F)		 20°C
(68°F)
Mean minimum 17°C
(64°F)		 17°C
(63°F)		 17°C
(64°F)		 19°C
(66°F)		 19°C
(66°F)		 20°C
(68°F)		 20°C
(69°F)		 21°C
(69°F)		 20°C
(69°F)		 20°C
(69°F)		 19°C
(67°F)		 18°C
(64°F)
Minimum 17°C
(63°F)		 15°C
(60°F)		 16°C
(62°F)		 17°C
(63°F)		 18°C
(64°F)		 19°C
(66°F)		 19°C
(67°F)		 20°C
(68°F)		 20°C
(68°F)		 19°C
(67°F)		 18°C
(65°F)		 17°C
(63°F)

Compare climate in Captain Cook with other places

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

Monthly average precipitation in Captain Cook, Hawaii, United States §

Captain Cook usually has the most precipitation in June, July and August, with an average of 30 rainy days and 466 mm (18.4 inches) of precipitation per month.The driest months in Captain Cook are January, February and March. On average, 156 mm (6.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Captain Cook, 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) 135 (5.3) 158 (6.2) 174 (6.8) 206 (8.1) 316 (12.4) 377 (14.8) 514 (20.2) 508 (20.0) 318 (12.5) 302 (11.9) 183 (7.2) 198 (7.8)
Average precipitation days (≥ 1 mm) 20 20 27 26 29 29 31 31 28 28 23 24

Monthly sunshine hours in Captain Cook, Hawaii, United States §

The sunniest months in Captain Cook are May, June and July, when the sun shines an average of 10 hours 51 minutes a day.Least sunny months in Captain Cook: January, February and December receive an average of 8 hours 7 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Captain Cook, 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 222 254 282 302 330 330 337 327 311 296 270 262
Mean daily daylight hours 11h 5m 11h 30m 12h 2m 12h 35m 13h 3m 13h 16m 13h 9m 12h 44m 12h 12m 11h 39m 11h 11m 10h 57m

Solar UV radiation in Captain Cook, Hawaii, United States §

Captain Cook 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 Captain Cook UV Index data.

Average daily maximum UV levels by month for Captain Cook, 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