Monthly climate in Alao, American Samoa

Under the Köppen–Geiger climate classification Alao 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 (75 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 2848 mm (112.1 inches) and receives 291 rainy days on the 1 mm (0.04 inches) threshold annually. Alao enjoys an average of 3357 hours of sunshine throughout the year, and daylight varies from 11 hours 16 minutes to 12 hours 56 minutes per day.

Monthly average temperatures in Alao, American Samoa

The warmest months in Alao 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, Alao experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average precipitation in Alao, American Samoa

Alao usually has the most precipitation in January, February and December, with an average of 26 rainy days and 376 mm (14.8 inches) of precipitation per month. The driest months in Alao are July, August and September. On average, 143 mm (5.6 inches) of precipitation falls during these months.

Monthly sunshine hours in Alao, American Samoa

The sunniest months in Alao are March, September and October, when the sun shines an average of 9 hours 59 minutes a day. Least sunny months in Alao: January, February and June receive an average of 8 hours 5 minutes of sunshine daily.

Solar UV radiation in Alao, American Samoa

Alao 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 Alao UV Index data.