Climate and monthly weather forecastAlofi, Niue

The climate of Alofi

Alofi, the capital of Niue, possesses a Tropical rainforest climate according to the Köppen climate classification. The geographical location of this island in the South Pacific lends itself to a climate largely ruled by high temperatures and humidity, alongside copious rainfall. The monthly average temperatures in Alofi fluctuate narrowly between 24.6C to 28C, showcasing the region's consistent tropical climate.

An examination of the climatological data reveals minimal variation in temperature across the year, with the highest average high temperature peaking at 28C in March, and the lowest average high reaching 24.6C in August. However, a substantial difference can be noted in rainfall patterns. While precipitation is a recurring event throughout the year, February and December experience the highest average rainfall at 202mm (7.95") and 130mm (5.12") respectively. In contrast, June experiences the lowest average rainfall with 50mm (1.97").

Relative humidity factors between 77% and 79%, contributing to the tropical, moist environment. Sea temperatures range from 25C to 28C, supporting a thriving marine ecosystem. The wind is another influencing component, with speeds varying between 19.8km/h (12.3mph) to 27.2km/h (16.9mph). With cloud cover averaging at around 51%, Alofi seldom experiences clear skies.

The best time to visit Alofi

Despite the year-round tropical climate, ideal conditions for a visit to Alofi are found between May and October. This period offers a relatively lower average rainfall ranging from 50mm (1.97") to 76mm (2.99"), limiting interruptions to outdoor exploration. Moreover, temperatures during this time hover between 24.6C to 26.6C, presenting a more manageable heat for outdoor enthusiasts. Daylight hours are balanced, yielding suitable conditions for sightseeing activities. Of particular note is October, which boasts the highest average hours of sunshine, 7.8 hours.

The worst time to visit Alofi

On the other end of the spectrum, the months of February, March, and December present less favorable conditions for a visit to Alofi. These are the months with the highest rainfall, with totals averaging between 130mm (5.12") to 202mm (7.95"), that may hinder outdoor activities. Accompanied by high temperatures, reaching up to 28C, the region experiences its most intense weather during these months.

Spring weather in Alofi

In Alofi, the spring months, September to November, experience temperatures from 24.7C to 27.8C. September exhibits the least rainfall in spring with an average of 52mm (2.05"), while November sees a slight increase, averaging at 62mm (2.44"). The average sea temperature ranges from 25C in September to 26C in November, creating conducive conditions for water-sports. Average daily sunshine hours fluctuate from 6.7 hours in September to 7.6 hours in November, providing ample daylight for outdoor pursuits.

Summer weather in Alofi

The summer months of December to February mark a period of increased rainfall, with December reaching the year’s peak at 202mm (7.95"). Despite the increased rainfall, these months also see high temperatures, with February being the warmest on average with 27.9C. In terms of sunshine hours, December experiences shorter days with 7.6 hours, while February registers 7.1 hours.

Autumn weather in Alofi

From March through May, average temperatures in Alofi decline gradually from 28C to 26.6C. Alongside the descending temperatures, rainfall totals also decrease significantly from 130mm (5.12") in March to a yearly low of 90mm (3.54") in May. This drop in rainfall is echoed by an increase in sunshine hours, with May enjoying 5.3 hours of sunlight per day.

Winter weather in Alofi

Winter in Alofi, spanning from June to August, encounters temperatures ranging from 24.6C in August to 26C in June. Rainfall during this period is relatively low, with an average of 50mm (1.97") in June, the driest month of the year. Average sea temperatures are lower than the annual average, descending to 25C as the season progresses. Despite lower temperatures and rainfall, this season displays the shortest days of the year, with daylight hours averaging 11 hours.

Weather in January

With high humidity levels at 79%, January in Alofi, Niue is a markedly humid month. Typical for the summer season, both temperatures and rainfall remain high creating a lush, tropical atmosphere. Barring December, the rainfall in January tops the chart at 202mm (7.95"). Weather in January »

Weather in February

Entering February, Alofi's weather undergoes marginal changes, registering a slight decrease in rain and humidity. February, much akin to its predecessor, continues with warm temperatures. Winds blow a tad stronger than in January, reaching speeds of 24.4km/h (15.2mph). Weather in February »

Weather in March

March brings about a transition to a less humid climate with relatively decreased rainfall. The weather in Alofi, Niue in March still showcases warm temperatures with a slightly cooler sea temperature of 28°C (82.4°F). This month registers lesser rainfall, marking the onset of a less rainy season ahead. Weather in March »

Weather in April

Alofi, Niue in April experiences a further dip in temperatures and rainfall amounts; a notable shift towards drier weather is observed. Rainfall, dramatically less than the initial months of the year, measures only 108mm (4.25"). Weather in April »

Weather in May

Arriving in May, Alofi witnesses the full onset of the cooler season with lower temperatures and significantly reduced rainfall. Cloud cover increases compared with the preceding month. The sunshine hours notably decrease with an average of only 5.3 hours of sunshine per day. Weather in May »

Weather in June

Alofi in June experiences drier conditions with a minimal 50mm (1.97") of rainfall. Wind speeds turn more pronounced, reaching up to 28km/h (17.4mph). Daylight hours hover around a low of 11 hours daily, indicating a peak in the cooler season. Weather in June »

Weather in July

Entering July, Alofi experiences a leveled climate characterized by a nominal rise in rainfall and lower temperatures. July registers the lowest sea temperature of the year at 25°C (77°F), a slight dip from the preceding month. The duration of sunshine hours per day remains stable. Weather in July »

Weather in August

Transitioning into August, Alofi, Niue manifests a slight increase in rainfall and lower temperatures. The sea temperature maintains a steady 25°C (77°F). The amount of sunshine received per day increases gradually, indicating a shift towards the warmer part of the year. Weather in August »

Weather in September

September in Alofi marks the advent of a warmer weather trend with minimal rainfall. Slight fluctuations in temperature hint at the return of the warmer months. The city's humidity rebounds to reach 79%, signifying a return to typical tropical weather. Weather in September »

Weather in October

October sees Alofi transitioning into a warmer phase with a rise in temperature levels and humidity. The rainfall totals to 76mm (2.99"), a considerable increase from the previous month. The days grow longer with increasing sunshine hours, signalling the onset of warmer months. Weather in October »

Weather in November

November’s weather in Alofi, Niue presents an interesting mix of conditions. While temperatures continue to climb, the city registers the least rainfall activity of the year with only 62mm (2.44"). As the sea temperature ascends to a pleasant warmth, so does the duration of daylight hours. Weather in November »

Weather in December

December in Alofi witnesses appreciable shifts in weather patterns as the city welcomes its warmest month. The month enjoys the longest daylight duration of 13.3 hours per day. Shifting into full summer mode, the city experiences an increase in rainfall, reaching 130mm (5.12"). Weather in December »