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Monthly climate in Napili-Honokowai, Hawaii, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Napili-Honokowai features a tropical savanna climate (As).Temperatures typically range between 22 °C (73 °F) and 26 °C (79 °F) through the year, but rarely can drop to 17 °C (63 °F) or can rise to as high as 29 °C (84 °F).The average annual precipitation amounts to about 292 mm (11.5 inches) and receives 38 rainy days on the 1 mm (0.04 inches) threshold annually.Napili-Honokowai enjoys an average of 3601 hours of sunshine throughout the year, and daylight varies from 10 hours 52 minutes to 13 hours 22 minutes per day.

Monthly average temperatures in Napili-Honokowai, Hawaii, United States §

The warmest months in Napili-Honokowai are July, August and September, with daily mean temperatures ranging from 26 to 26 °C (78 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 22 to 23 °C (73 - 74 °F) throughout the day. On average each year, Napili-Honokowai experiences 189 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 Napili-Honokowai, 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 26°C
(79°F)		 26°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 27°C
(81°F)		 27°C
(82°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(84°F)		 28°C
(83°F)		 27°C
(82°F)		 26°C
(80°F)
Mean maximum 25°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 26°C
(78°F)		 26°C
(79°F)		 27°C
(80°F)		 28°C
(82°F)		 28°C
(82°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(81°F)		 26°C
(79°F)
Average high 24°C
(75°F)		 23°C
(74°F)		 24°C
(75°F)		 24°C
(76°F)		 25°C
(77°F)		 26°C
(79°F)		 27°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)		 26°C
(80°F)		 26°C
(78°F)		 25°C
(77°F)
Daily mean 23°C
(74°F)		 22°C
(73°F)		 23°C
(73°F)		 23°C
(74°F)		 24°C
(76°F)		 25°C
(77°F)		 26°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(78°F)		 25°C
(77°F)		 24°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
(76°F)		 25°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(75°F)		 23°C
(73°F)
Mean minimum 21°C
(70°F)		 19°C
(67°F)		 20°C
(69°F)		 21°C
(70°F)		 21°C
(70°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
(71°F)
Minimum 19°C
(67°F)		 17°C
(63°F)		 19°C
(66°F)		 20°C
(68°F)		 18°C
(65°F)		 23°C
(73°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(74°F)		 23°C
(73°F)		 22°C
(71°F)		 20°C
(69°F)

Compare climate in Napili-Honokowai with other places

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

Monthly average precipitation in Napili-Honokowai, Hawaii, United States §

Napili-Honokowai usually has the most precipitation in February, April and December, with an average of 6 rainy days and 48 mm (1.9 inches) of precipitation per month.The driest months in Napili-Honokowai are June, July and August. On average, 8 mm (0.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Napili-Honokowai, 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) 24 (0.9) 63 (2.5) 33 (1.3) 40 (1.6) 21 (0.8) 5 (0.2) 9 (0.3) 9 (0.4) 10 (0.4) 27 (1.1) 12 (0.5) 40 (1.6)
Average precipitation days (≥ 1 mm) 4 8 6 4 1 0 1 1 1 3 3 6

Monthly sunshine hours in Napili-Honokowai, Hawaii, United States §

The sunniest months in Napili-Honokowai are June, July and August, when the sun shines an average of 11 hours 10 minutes a day.Least sunny months in Napili-Honokowai: January, February and December receive an average of 8 hours 9 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Napili-Honokowai, 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 222 254 291 311 335 341 349 337 317 301 273 265
Mean daily daylight hours 11h 0m 11h 27m 12h 2m 12h 38m 13h 7m 13h 22m 13h 14m 12h 47m 12h 13m 11h 37m 11h 7m 10h 52m

Solar UV radiation in Napili-Honokowai, Hawaii, United States §

Napili-Honokowai 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 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 Napili-Honokowai UV Index data.

Average daily maximum UV levels by month for Napili-Honokowai, 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 8