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Monthly climate in Alofi, Niue

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Alofi features a tropical rainforest climate (Af). Temperatures typically range between 24 °C (76 °F) and 27 °C (81 °F) through the year, but rarely can drop to 21 °C (70 °F) or can rise to as high as 29 °C (85 °F). The average annual precipitation amounts to about 2000 mm (78.8 inches) and receives 209 rainy days on the 1 mm (0.04 inches) threshold annually. Alofi enjoys an average of 3113 hours of sunshine throughout the year, and daylight varies from 10 hours 59 minutes to 13 hours 14 minutes per day.

Monthly average temperatures in Alofi, Niue

The warmest months in Alofi are January, February and March, with daily mean temperatures ranging from 27 to 27 °C (81 - 81 °F) throughout the day. The coldest temperatures usually occur in July, August and September, when daily mean temperatures range from 24 to 24 °C (76 - 76 °F) throughout the day. On average each year, Alofi experiences 277 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 Alofi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum29°C
(85°F)		29°C
(85°F)		29°C
(84°F)		29°C
(84°F)		28°C
(82°F)		27°C
(82°F)		26°C
(80°F)		27°C
(81°F)		26°C
(80°F)		27°C
(81°F)		28°C
(82°F)		29°C
(84°F)
Mean maximum28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		27°C
(82°F)		27°C
(81°F)		26°C
(80°F)		26°C
(79°F)		26°C
(79°F)		26°C
(80°F)		27°C
(81°F)		28°C
(82°F)
Average high28°C
(82°F)		28°C
(82°F)		28°C
(82°F)		27°C
(81°F)		26°C
(80°F)		26°C
(78°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(78°F)		26°C
(79°F)		27°C
(80°F)
Daily mean27°C
(81°F)		27°C
(81°F)		27°C
(81°F)		27°C
(80°F)		26°C
(79°F)		25°C
(78°F)		24°C
(76°F)		24°C
(76°F)		24°C
(76°F)		25°C
(77°F)		25°C
(78°F)		26°C
(79°F)
Average low26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		26°C
(79°F)		25°C
(78°F)		25°C
(77°F)		24°C
(75°F)		24°C
(75°F)		24°C
(75°F)		24°C
(76°F)		25°C
(77°F)		25°C
(78°F)
Mean minimum25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		25°C
(77°F)		24°C
(75°F)		23°C
(74°F)		22°C
(72°F)		22°C
(71°F)		22°C
(72°F)		23°C
(73°F)		23°C
(74°F)		24°C
(76°F)
Minimum25°C
(76°F)		23°C
(75°F)		25°C
(76°F)		24°C
(75°F)		23°C
(74°F)		22°C
(72°F)		21°C
(71°F)		21°C
(70°F)		21°C
(70°F)		22°C
(72°F)		22°C
(73°F)		22°C
(72°F)

Compare climate in Alofi with other places

Compare temperature, precipitation, sunshine, UV index in Alofi, Niue with other places around the world.

Monthly average precipitation in Alofi, Niue

Alofi usually has the most precipitation in January, February and May, with an average of 19 rainy days and 267 mm (10.5 inches) of precipitation per month. The driest months in Alofi are June, July and September. On average, 78 mm (3.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Alofi. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)254 (10.0)265 (10.4)158 (6.2)188 (7.4)282 (11.1)69 (2.7)90 (3.5)135 (5.3)76 (3.0)142 (5.6)110 (4.3)232 (9.1)
Average precipitation days (≥ 1 mm)202222201713161213161622

Monthly sunshine hours in Alofi, Niue

The sunniest months in Alofi are March, November and December, when the sun shines an average of 9 hours 25 minutes a day. Least sunny months in Alofi: January, February and May receive an average of 7 hours 32 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Alofi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours222219289256243244252263269272288289
Mean daily daylight hours13h 6m12h 41m12h 9m11h 37m11h 11m10h 59m11h 5m11h 28m11h 59m12h 31m13h 0m13h 14m

Solar UV radiation in Alofi, Niue

Alofi 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 High / Very High exposure category. In these months, the maximum values of the UV index do not exceed 9. For more detailed information, check out our hourly Alofi UV Index data.

Average daily maximum UV levels by month for Alofi. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)161615129781112141515