Climate Insights for Alofi / Niue

The climate in Alofi / Niue is hot. The average annual temperature is 26°C and approximately 2024mm of precipitation falls per year. Alofi / Niue receives a notable amount of rainfall throughout the year, including during its driest month. Alofi / Niue is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: March, February, January. The coldest months are August, September, July, when temperatures can drop to 24°C.

Alofi / Niue has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is March, when average highs reach 28°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 24°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.

Alofi / Niue is a very wet location, receiving approximately 2024mm of precipitation annually, which averages out to around 169mm per month. The wettest month is February, averaging 304mm of rainfall. January and May also tend to see above-average precipitation. The driest month is June, with just 84mm. That's 220mm less than February, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Alofi / Niue is moderately windy, with an average annual wind speed of 24km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in March, with average winds dropping to 19km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 8km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 26km/h in winter, 26km/h in spring, 22km/h in summer, 23km/h in autumn.

It is currently winter in Alofi / Niue, which began on June 21, 2026. Alofi / Niue is in the Southern Hemisphere, where the seasons are reversed: spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in March at around 28°C, while the coldest stretch bottoms out in August near 24°C. Spring is next, beginning on September 23, 2026 (2 days from now).

The best time to visit Alofi / Niue is during July and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 94mm per month. By contrast, March can be uncomfortably hot with highs reaching 28°C, while August is the coldest period with lows dropping to 24°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Alofi / Niue based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.