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Monthly climate in 'Oma'o, Hawaii, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification 'Oma'o features a tropical savanna climate (As).Temperatures typically range between 21 °C (70 °F) and 25 °C (78 °F) through the year, but rarely can drop to 15 °C (59 °F) or can rise to as high as 30 °C (86 °F).The average annual precipitation amounts to about 851 mm (33.5 inches) and receives 207 rainy days on the 1 mm (0.04 inches) threshold annually.'Oma'o enjoys an average of 3530 hours of sunshine throughout the year, and daylight varies from 10 hours 48 minutes to 13 hours 26 minutes per day.

Monthly average temperatures in 'Oma'o, Hawaii, United States §

The warmest months in 'Oma'o are July, August and September, with daily mean temperatures ranging from 25 to 25 °C (77 - 78 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 21 to 22 °C (70 - 71 °F) throughout the day. On average each year, 'Oma'o experiences 202 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 'Oma'o, 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
(79°F)		 26°C
(80°F)		 27°C
(80°F)		 28°C
(83°F)		 28°C
(83°F)		 29°C
(84°F)		 30°C
(86°F)		 30°C
(86°F)		 29°C
(85°F)		 28°C
(83°F)		 27°C
(81°F)
Mean maximum 25°C
(78°F)		 25°C
(78°F)		 26°C
(78°F)		 26°C
(79°F)		 27°C
(81°F)		 28°C
(82°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 28°C
(83°F)		 27°C
(82°F)		 26°C
(79°F)
Average high 24°C
(76°F)		 23°C
(74°F)		 24°C
(75°F)		 25°C
(77°F)		 26°C
(78°F)		 27°C
(81°F)		 27°C
(82°F)		 28°C
(83°F)		 28°C
(82°F)		 27°C
(81°F)		 26°C
(79°F)		 24°C
(76°F)
Daily mean 22°C
(71°F)		 21°C
(70°F)		 21°C
(71°F)		 22°C
(73°F)		 23°C
(74°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(76°F)		 24°C
(75°F)		 22°C
(72°F)
Average low 20°C
(68°F)		 19°C
(67°F)		 20°C
(67°F)		 20°C
(69°F)		 21°C
(70°F)		 22°C
(73°F)		 23°C
(74°F)		 23°C
(75°F)		 23°C
(74°F)		 23°C
(73°F)		 22°C
(71°F)		 20°C
(69°F)
Mean minimum 18°C
(65°F)		 17°C
(62°F)		 18°C
(65°F)		 18°C
(65°F)		 19°C
(67°F)		 22°C
(71°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(70°F)		 20°C
(69°F)		 19°C
(66°F)
Minimum 18°C
(65°F)		 15°C
(59°F)		 18°C
(64°F)		 18°C
(64°F)		 18°C
(64°F)		 21°C
(69°F)		 21°C
(70°F)		 21°C
(70°F)		 21°C
(71°F)		 20°C
(68°F)		 19°C
(67°F)		 17°C
(63°F)

Compare climate in 'Oma'o with other places

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

Monthly average precipitation in 'Oma'o, Hawaii, United States §

'Oma'o usually has the most precipitation in March, October and December, with an average of 18 rainy days and 108 mm (4.2 inches) of precipitation per month.The driest months in 'Oma'o are January, May and September. On average, 47 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in 'Oma'o, 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) 38 (1.5) 84 (3.3) 136 (5.4) 61 (2.4) 52 (2.1) 80 (3.1) 54 (2.1) 54 (2.1) 49 (1.9) 89 (3.5) 55 (2.2) 97 (3.8)
Average precipitation days (≥ 1 mm) 10 15 19 17 17 17 23 18 16 20 19 16

Monthly sunshine hours in 'Oma'o, Hawaii, United States §

The sunniest months in 'Oma'o are May, July and August, when the sun shines an average of 10 hours 54 minutes a day.Least sunny months in 'Oma'o: January, February and December receive an average of 7 hours 58 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in 'Oma'o, 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 216 255 279 303 331 331 348 334 313 295 266 254
Mean daily daylight hours 10h 57m 11h 25m 12h 2m 12h 39m 13h 11m 13h 26m 13h 17m 12h 50m 12h 13m 11h 36m 11h 3m 10h 48m

Solar UV radiation in 'Oma'o, Hawaii, United States §

'Oma'o 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 'Oma'o UV Index data.

Average daily maximum UV levels by month for 'Oma'o, 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 13 13 13 13 12 10 8 7