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Monthly climate in Ofu, Manu'a, American Samoa

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Ofu features a tropical rainforest climate (Af).Temperatures typically range between 27 °C (80 °F) and 27 °C (82 °F) through the year, but rarely can drop to 24 °C (76 °F) or can rise to as high as 30 °C (86 °F).The average annual precipitation amounts to about 2708 mm (106.6 inches) and receives 284 rainy days on the 1 mm (0.04 inches) threshold annually.Ofu enjoys an average of 3351 hours of sunshine throughout the year, and daylight varies from 11 hours 17 minutes to 12 hours 56 minutes per day.

Monthly average temperatures in Ofu, Manu'a, American Samoa §

The warmest months in Ofu are January, March and April, with daily mean temperatures ranging from 27 to 27 °C (81 - 82 °F) throughout the day. The coldest temperatures usually occur in August, September and October, when daily mean temperatures range from 27 to 27 °C (80 - 80 °F) throughout the day. On average each year, Ofu experiences 329 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 Ofu, Manu'a, American Samoa.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 29°C
(85°F)		 30°C
(86°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(85°F)		 29°C
(84°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)
Mean maximum 29°C
(85°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 29°C
(84°F)		 28°C
(84°F)		 28°C
(83°F)		 28°C
(82°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(83°F)		 29°C
(84°F)
Average high 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(83°F)		 28°C
(82°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(82°F)
Daily mean 27°C
(81°F)		 27°C
(81°F)		 27°C
(82°F)		 27°C
(82°F)		 27°C
(81°F)		 27°C
(81°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(80°F)		 27°C
(81°F)		 27°C
(81°F)
Average low 26°C
(80°F)		 26°C
(80°F)		 26°C
(80°F)		 27°C
(80°F)		 26°C
(80°F)		 26°C
(80°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)		 26°C
(79°F)
Mean minimum 26°C
(78°F)		 25°C
(77°F)		 25°C
(78°F)		 25°C
(78°F)		 25°C
(78°F)		 26°C
(78°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)
Minimum 25°C
(77°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 25°C
(77°F)		 25°C
(77°F)		 24°C
(76°F)		 25°C
(76°F)		 24°C
(76°F)		 25°C
(76°F)

Compare climate in Ofu with other places

Compare temperature, precipitation, sunshine, UV index in Ofu, Manu'a, American Samoa with other places around the world.

Monthly average precipitation in Ofu, Manu'a, American Samoa §

Ofu usually has the most precipitation in January, February and December, with an average of 25 rainy days and 373 mm (14.7 inches) of precipitation per month.The driest months in Ofu are July, August and September. On average, 118 mm (4.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ofu, Manu'a, American Samoa.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) 279 (11.0) 476 (18.7) 190 (7.5) 241 (9.5) 205 (8.1) 144 (5.7) 133 (5.2) 114 (4.5) 106 (4.2) 195 (7.7) 260 (10.2) 365 (14.4)
Average precipitation days (≥ 1 mm) 24 25 25 25 25 22 23 18 20 25 24 28

Monthly sunshine hours in Ofu, Manu'a, American Samoa §

The sunniest months in Ofu are March, September and October, when the sun shines an average of 9 hours 56 minutes a day.Least sunny months in Ofu: January, February and June 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 Ofu, Manu'a, American Samoa.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 232 229 310 271 282 265 273 293 300 302 299 289
Mean daily daylight hours 12h 50m 12h 31m 12h 8m 11h 44m 11h 26m 11h 17m 11h 22m 11h 38m 12h 1m 12h 24m 12h 45m 12h 56m

Solar UV radiation in Ofu, Manu'a, American Samoa §

Ofu experiences the highest level of ultraviolet (UV) radiation in January, February and December, when the maximum UV index can reach values of 15 - 16, which corresponds to the Extreme category of sun exposure.May, June and July are in the Very High / Extreme exposure category. In these months, the maximum values of the UV index do not exceed 11. For more detailed information, check out our hourly Ofu UV Index data.

Average daily maximum UV levels by month for Ofu, Manu'a, American Samoa.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) 16 16 15 13 11 9 9 12 14 15 15 15