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Monthly climate in Waimanalo Beach, Hawaii, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Waimanalo Beach features a tropical savanna climate (As).Temperatures typically range between 23 °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 28 °C (83 °F).The average annual precipitation amounts to about 403 mm (15.9 inches) and receives 64 rainy days on the 1 mm (0.04 inches) threshold annually.Waimanalo Beach enjoys an average of 3595 hours of sunshine throughout the year, and daylight varies from 10 hours 50 minutes to 13 hours 23 minutes per day.

Monthly average temperatures in Waimanalo Beach, Hawaii, United States §

The warmest months in Waimanalo Beach are August, September and October, 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 23 to 23 °C (73 - 74 °F) throughout the day. On average each year, Waimanalo Beach experiences 171 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 Waimanalo Beach, 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
(82°F)		 27°C
(82°F)		 26°C
(79°F)
Mean maximum 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 26°C
(79°F)		 26°C
(79°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 26°C
(78°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)		 26°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 26°C
(80°F)		 26°C
(78°F)		 25°C
(76°F)
Daily mean 23°C
(74°F)		 23°C
(73°F)		 23°C
(73°F)		 24°C
(75°F)		 24°C
(76°F)		 25°C
(78°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 25°C
(77°F)		 24°C
(75°F)
Average low 23°C
(73°F)		 22°C
(71°F)		 22°C
(72°F)		 23°C
(73°F)		 24°C
(75°F)		 25°C
(76°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(77°F)		 24°C
(76°F)		 23°C
(74°F)
Mean minimum 21°C
(70°F)		 19°C
(67°F)		 20°C
(69°F)		 21°C
(70°F)		 21°C
(71°F)		 24°C
(75°F)		 24°C
(75°F)		 25°C
(77°F)		 24°C
(76°F)		 23°C
(75°F)		 22°C
(72°F)		 21°C
(71°F)
Minimum 20°C
(69°F)		 17°C
(63°F)		 19°C
(67°F)		 20°C
(69°F)		 19°C
(66°F)		 23°C
(74°F)		 23°C
(74°F)		 24°C
(76°F)		 23°C
(75°F)		 23°C
(73°F)		 21°C
(70°F)		 20°C
(68°F)

Compare climate in Waimanalo Beach with other places

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

Monthly average precipitation in Waimanalo Beach, Hawaii, United States §

Waimanalo Beach usually has the most precipitation in February, March and December, with an average of 8 rainy days and 63 mm (2.5 inches) of precipitation per month.The driest months in Waimanalo Beach are January, July and August. On average, 15 mm (0.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Waimanalo Beach, 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) 16 (0.6) 60 (2.4) 66 (2.6) 30 (1.2) 23 (0.9) 27 (1.1) 13 (0.5) 15 (0.6) 19 (0.7) 45 (1.8) 25 (1.0) 63 (2.5)
Average precipitation days (≥ 1 mm) 4 9 9 6 4 3 2 2 4 7 6 8

Monthly sunshine hours in Waimanalo Beach, Hawaii, United States §

The sunniest months in Waimanalo Beach are June, July and August, when the sun shines an average of 11 hours 10 minutes a day.Least sunny months in Waimanalo Beach: January, February and December receive an average of 8 hours 4 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Waimanalo Beach, 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 222 251 288 310 336 339 350 339 319 302 274 260
Mean daily daylight hours 10h 59m 11h 26m 12h 2m 12h 38m 13h 9m 13h 23m 13h 15m 12h 48m 12h 13m 11h 37m 11h 6m 10h 50m

Solar UV radiation in Waimanalo Beach, Hawaii, United States §

Waimanalo Beach 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 Waimanalo Beach UV Index data.

Average daily maximum UV levels by month for Waimanalo Beach, 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