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Monthly climate in Royal Kunia, Hawaii, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Royal Kunia features a tropical savanna climate (As).Temperatures typically range between 22 °C (72 °F) and 26 °C (80 °F) through the year, but rarely can drop to 16 °C (61 °F) or can rise to as high as 32 °C (89 °F).The average annual precipitation amounts to about 551 mm (21.7 inches) and receives 128 rainy days on the 1 mm (0.04 inches) threshold annually.Royal Kunia enjoys an average of 3566 hours of sunshine throughout the year, and daylight varies from 10 hours 50 minutes to 13 hours 24 minutes per day.

Monthly average temperatures in Royal Kunia, Hawaii, United States §

The warmest months in Royal Kunia are July, August and September, with daily mean temperatures ranging from 26 to 26 °C (79 - 80 °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, Royal Kunia experiences 274 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 Royal Kunia, 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)		 29°C
(84°F)		 29°C
(84°F)		 30°C
(87°F)		 31°C
(88°F)		 31°C
(88°F)		 32°C
(89°F)		 32°C
(89°F)		 31°C
(88°F)		 30°C
(86°F)		 28°C
(83°F)
Mean maximum 27°C
(81°F)		 27°C
(80°F)		 27°C
(81°F)		 28°C
(83°F)		 29°C
(85°F)		 30°C
(86°F)		 30°C
(87°F)		 31°C
(88°F)		 31°C
(87°F)		 30°C
(86°F)		 29°C
(84°F)		 27°C
(82°F)
Average high 25°C
(78°F)		 25°C
(77°F)		 25°C
(78°F)		 26°C
(80°F)		 27°C
(81°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 27°C
(81°F)		 26°C
(78°F)
Daily mean 23°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
(80°F)		 26°C
(80°F)		 26°C
(78°F)		 24°C
(76°F)		 23°C
(74°F)
Average low 20°C
(69°F)		 20°C
(68°F)		 20°C
(69°F)		 21°C
(71°F)		 22°C
(72°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°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
(66°F)		 19°C
(67°F)		 22°C
(72°F)		 23°C
(73°F)		 23°C
(74°F)		 22°C
(72°F)		 22°C
(71°F)		 20°C
(68°F)		 19°C
(66°F)
Minimum 17°C
(63°F)		 16°C
(61°F)		 18°C
(64°F)		 17°C
(63°F)		 18°C
(65°F)		 21°C
(70°F)		 22°C
(71°F)		 21°C
(71°F)		 21°C
(71°F)		 21°C
(69°F)		 19°C
(67°F)		 16°C
(61°F)

Compare climate in Royal Kunia with other places

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

Monthly average precipitation in Royal Kunia, Hawaii, United States §

Royal Kunia usually has the most precipitation in February, March and December, with an average of 13 rainy days and 77 mm (3.0 inches) of precipitation per month.The driest months in Royal Kunia are January, August and September. On average, 25 mm (1.0 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Royal Kunia, 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) 22 (0.9) 76 (3.0) 77 (3.0) 39 (1.5) 38 (1.5) 51 (2.0) 28 (1.1) 27 (1.0) 26 (1.0) 57 (2.2) 32 (1.3) 79 (3.1)
Average precipitation days (≥ 1 mm) 6 13 16 11 12 9 11 8 7 11 12 12

Monthly sunshine hours in Royal Kunia, Hawaii, United States §

The sunniest months in Royal Kunia are June, July and August, when the sun shines an average of 11 hours 8 minutes a day.Least sunny months in Royal Kunia: 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 Royal Kunia, 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 59m 11h 26m 12h 2m 12h 38m 13h 9m 13h 24m 13h 15m 12h 48m 12h 13m 11h 37m 11h 5m 10h 50m

Solar UV radiation in Royal Kunia, Hawaii, United States §

Royal Kunia 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 Royal Kunia UV Index data.

Average daily maximum UV levels by month for Royal Kunia, 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