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Monthly climate in Waikapu, Hawaii, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Waikapu features a tropical rainforest climate (Af).Temperatures typically range between 22 °C (72 °F) and 26 °C (79 °F) through the year, but rarely can drop to 16 °C (60 °F) or can rise to as high as 32 °C (90 °F).The average annual precipitation amounts to about 453 mm (17.8 inches) and receives 80 rainy days on the 1 mm (0.04 inches) threshold annually.Waikapu enjoys an average of 3593 hours of sunshine throughout the year, and daylight varies from 10 hours 52 minutes to 13 hours 21 minutes per day.

Monthly average temperatures in Waikapu, Hawaii, United States §

The warmest months in Waikapu are July, August and September, with daily mean temperatures ranging from 26 to 26 °C (79 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 22 to 22 °C (72 - 73 °F) throughout the day. On average each year, Waikapu experiences 290 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 Waikapu, 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 28°C
(82°F)		 28°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 30°C
(87°F)		 30°C
(87°F)		 31°C
(88°F)		 32°C
(89°F)		 32°C
(90°F)		 31°C
(88°F)		 30°C
(87°F)		 29°C
(84°F)
Mean maximum 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 28°C
(83°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(87°F)		 31°C
(87°F)		 31°C
(88°F)		 30°C
(86°F)		 29°C
(85°F)		 28°C
(82°F)
Average high 26°C
(79°F)		 25°C
(78°F)		 26°C
(78°F)		 27°C
(80°F)		 27°C
(82°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(85°F)		 30°C
(85°F)		 29°C
(84°F)		 28°C
(82°F)		 26°C
(79°F)
Daily mean 22°C
(73°F)		 22°C
(72°F)		 22°C
(73°F)		 23°C
(74°F)		 24°C
(76°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(78°F)		 24°C
(76°F)		 23°C
(74°F)
Average low 20°C
(68°F)		 19°C
(67°F)		 20°C
(68°F)		 21°C
(70°F)		 22°C
(71°F)		 23°C
(73°F)		 23°C
(74°F)		 24°C
(75°F)		 23°C
(75°F)		 23°C
(73°F)		 22°C
(72°F)		 21°C
(70°F)
Mean minimum 18°C
(65°F)		 17°C
(63°F)		 18°C
(65°F)		 19°C
(67°F)		 19°C
(67°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(73°F)		 22°C
(72°F)		 21°C
(71°F)		 20°C
(69°F)		 19°C
(66°F)
Minimum 17°C
(63°F)		 16°C
(60°F)		 17°C
(62°F)		 18°C
(65°F)		 18°C
(65°F)		 21°C
(70°F)		 21°C
(71°F)		 21°C
(71°F)		 22°C
(72°F)		 20°C
(68°F)		 18°C
(65°F)		 17°C
(63°F)

Compare climate in Waikapu with other places

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

Monthly average precipitation in Waikapu, Hawaii, United States §

Waikapu usually has the most precipitation in February, March and April, with an average of 9 rainy days and 62 mm (2.4 inches) of precipitation per month.The driest months in Waikapu are June, September and November. On average, 18 mm (0.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Waikapu, 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) 78 (3.1) 55 (2.2) 52 (2.1) 37 (1.5) 15 (0.6) 24 (0.9) 28 (1.1) 19 (0.7) 50 (2.0) 20 (0.8) 45 (1.8)
Average precipitation days (≥ 1 mm) 5 9 9 10 6 4 5 5 5 8 6 8

Monthly sunshine hours in Waikapu, Hawaii, United States §

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

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Waikapu, 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 223 256 291 310 334 341 348 335 316 300 271 264
Mean daily daylight hours 11h 1m 11h 27m 12h 2m 12h 37m 13h 7m 13h 21m 13h 13m 12h 47m 12h 13m 11h 38m 11h 7m 10h 52m

Solar UV radiation in Waikapu, Hawaii, United States §

Waikapu experiences the highest level of ultraviolet (UV) radiation in July, August and September, 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 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 Waikapu UV Index data.

Average daily maximum UV levels by month for Waikapu, 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 13 11 8 8