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Monthly climate in Kilauea, Hawaii, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Kilauea features a tropical rainforest climate (Af).Temperatures typically range between 22 °C (71 °F) and 26 °C (78 °F) through the year, but rarely can drop to 15 °C (60 °F) or can rise to as high as 28 °C (83 °F).The average annual precipitation amounts to about 829 mm (32.6 inches) and receives 184 rainy days on the 1 mm (0.04 inches) threshold annually.Kilauea enjoys an average of 3542 hours of sunshine throughout the year, and daylight varies from 10 hours 47 minutes to 13 hours 27 minutes per day.

Monthly average temperatures in Kilauea, Hawaii, United States §

The warmest months in Kilauea 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 22 °C (71 - 72 °F) throughout the day. On average each year, Kilauea experiences 154 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 Kilauea, 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
(77°F)		 25°C
(77°F)		 25°C
(78°F)		 27°C
(80°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 27°C
(81°F)		 26°C
(79°F)
Mean maximum 25°C
(77°F)		 24°C
(76°F)		 24°C
(76°F)		 25°C
(77°F)		 26°C
(79°F)		 27°C
(80°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(82°F)		 27°C
(81°F)		 27°C
(80°F)		 25°C
(77°F)
Average high 23°C
(74°F)		 23°C
(73°F)		 23°C
(73°F)		 24°C
(75°F)		 25°C
(77°F)		 26°C
(79°F)		 26°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 26°C
(79°F)		 25°C
(77°F)		 24°C
(75°F)
Daily mean 22°C
(72°F)		 22°C
(71°F)		 22°C
(71°F)		 23°C
(73°F)		 23°C
(75°F)		 25°C
(77°F)		 25°C
(78°F)		 26°C
(78°F)		 26°C
(78°F)		 25°C
(77°F)		 24°C
(75°F)		 23°C
(73°F)
Average low 21°C
(71°F)		 20°C
(69°F)		 21°C
(70°F)		 22°C
(71°F)		 22°C
(73°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)		 23°C
(74°F)		 22°C
(72°F)
Mean minimum 20°C
(68°F)		 18°C
(64°F)		 19°C
(67°F)		 20°C
(68°F)		 20°C
(69°F)		 23°C
(73°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(75°F)		 22°C
(72°F)		 22°C
(71°F)		 20°C
(68°F)
Minimum 19°C
(66°F)		 15°C
(60°F)		 18°C
(65°F)		 19°C
(66°F)		 20°C
(67°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(73°F)		 23°C
(73°F)		 22°C
(71°F)		 21°C
(69°F)		 18°C
(65°F)

Compare climate in Kilauea with other places

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

Monthly average precipitation in Kilauea, Hawaii, United States §

Kilauea usually has the most precipitation in February, March and December, with an average of 16 rainy days and 107 mm (4.2 inches) of precipitation per month.The driest months in Kilauea are May, August and September. On average, 44 mm (1.7 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kilauea, 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) 46 (1.8) 95 (3.7) 123 (4.8) 62 (2.5) 45 (1.8) 68 (2.7) 52 (2.1) 44 (1.8) 43 (1.7) 85 (3.3) 61 (2.4) 104 (4.1)
Average precipitation days (≥ 1 mm) 9 16 17 16 13 12 20 15 14 17 18 17

Monthly sunshine hours in Kilauea, Hawaii, United States §

The sunniest months in Kilauea are June, July and August, when the sun shines an average of 11 hours 8 minutes a day.Least sunny months in Kilauea: January, February and December receive an average of 7 hours 55 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kilauea, 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 214 254 279 304 334 336 350 336 313 297 266 252
Mean daily daylight hours 10h 56m 11h 24m 12h 2m 12h 40m 13h 12m 13h 27m 13h 18m 12h 50m 12h 13m 11h 35m 11h 3m 10h 47m

Solar UV radiation in Kilauea, Hawaii, United States §

Kilauea experiences the highest level of ultraviolet (UV) radiation in May, 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 Kilauea UV Index data.

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