Nukunonu Climate

Last updated: January 18, 2025

Nukunonu, a picturesque atoll in Tokelau, falls under the Koppen-Geiger climate classification of Af, characterized by a tropical rainforest climate. The region experiences minimal temperature variation throughout the year, with a minimum temperature of 25°C (77°F) occurring in April, an average temperature of 27°C (82°F), and a maximum of 30°C (86°F) in December. This consistent warmth and high humidity create an environment conducive to lush vegetation and vibrant biodiversity, making Nukunonu a striking example of tropical climate dynamics.

Nukunonu temperature by month

In Nukunonu, Tokelau, temperature patterns reveal a remarkably consistent tropical climate throughout the year. The monthly minimum temperature remains steady at 25°C (77°F), while average temperatures fluctuate slightly between 27°C (81°F) and 28°C (82°F), peaking at 30°C (86°F) during the warmer months of January, February, and December. The maximum temperatures exhibit minimal variation, consistently hovering around 29°C (84°F to 86°F) from March through November. While January and December represent the warmest months, overall seasonal differences are subtle, highlighting a stable environment that embodies the characteristics of an equatorial climate, conducive to vibrant ecosystems and lush vegetation.

Monthly Temperatures in Nukunonu, Tokelau

The chart illustrates Nukunonu's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec828181828282818181818182
Data source: Nukunonu temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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The average of daily temperatures (24 hours) calculated across all days in the month.

In Nukunonu, temperatures range from a minimum of 25°C (77°F) in April to a maximum of 30°C (86°F) in December, showcasing a warm tropical climate. For more detailed monthly temperatures in Nukunonu, visit monthly temperatures in Nukunonu.

Precipitation Patterns in Nukunonu

Precipitation in Nukunonu, Tokelau, showcases a distinct wet season, with the highest rainfall recorded in February, totaling 374 mm (14.7 in) over 24 days. This month not only stands out for its volume of rain but also marks a peak in rainy days, contributing significantly to the overall tropical environment. Following February, the rainfall begins to decrease, with notable amounts in January at 233 mm (9.2 in) and April at 238 mm (9.4 in), indicating persistent moisture typical of the region.

As the year progresses, precipitation gradually declines, reaching a low of 145 mm (5.7 in) in July. The latter half of the year witnesses variable rainfall patterns, with October experiencing 256 mm (10.1 in) of rain distributed across 27 days, contrasting with drier months like May and June, each receiving 167 mm (6.6 in). Overall, Nukunonu's climate is marked by significant precipitation concentrated primarily in the first half of the year, reinforcing its lush landscapes and diverse ecosystems.

Monthly Average Precipitation in Nukunonu, Tokelau

The average monthly precipitation in Nukunonu, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec233374191238167167145156222256169246
Data source: Nukunonu precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in Nukunonu

In Nukunonu, Tokelau, sunshine duration exhibits notable seasonal trends, with the sunny months concentrated in the second half of the year. After a dip in February, where only 221 hours of sunshine are recorded, daylight hours begin to rise steadily. **March marks a transition with an impressive 308 hours of sunshine, signaling the approach of a sunnier season. This upward trend continues through the subsequent months, peaking in November at 307 hours, where residents and visitors alike can enjoy remarkable daylight, making it an ideal time for outdoor activities and exploration.

Conversely, the beginning of the year sees relatively fewer sunshine hours, particularly in January and February. Although January features 234 hours, the sunshine duration does not reach its full potential until March. Interestingly, even the winter months of June and July maintain a respectable 276 and 293 hours of sunshine, respectively. By the end of the year, sunshine remains abundant, dropping slightly to 292 hours in December. Overall, the data underscores a vibrant climate where Nukunonu enjoys significant sunlight, particularly in the late spring and throughout the summer months, contributing to the region's lush beauty and tropical allure.

Monthly Sunshine in Nukunonu, Tokelau

Monthly sunshine duration represents the total hours of direct sunlight Nukunonu receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec234h221h308h283h293h276h293h302h299h306h307h292h
Data source: Nukunonu sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Nukunonu UV Index Trends

The UV Index in Nukunonu, Tokelau, remains alarmingly high throughout the year, reflecting the region's tropical climate and proximity to the equator. For the first three months of the year, the UV Index consistently measures 16, categorizing it as extreme, with a burn time of just 10 minutes. This intensity persists into April, where the UV Index slightly decreases to 14, yet still falls within the extreme exposure category. The high levels of UV radiation during these months necessitate stringent sun protection measures for residents and visitors alike to avoid harmful skin damage.

As the year progresses, a gradual decline in UV intensity is observed, particularly in the middle months. From June to July, the Index decreases to 10, classified as very high, allowing for a slightly longer burn time of 15 minutes. However, the trend reverses in August with a rise back to 13 before peaking again in October at 15, indicating the continuing need for vigilance against UV exposure. Despite these variations, the consistently high UV Index throughout the year underscores the importance of adopting protective practices, such as wearing sunscreen and protective clothing, to mitigate the health risks associated with excessive sun exposure in Nukunonu.

Monthly Maximum UV Index for Nukunonu, Tokelau

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Nukunonu. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec161616141210101314151414
Data source: Nukunonu UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Daylight Hours in Nukunonu

In Nukunonu, Tokelau, daylight duration remains relatively consistent throughout the year, underscoring the region's equatorial location. During the first three months of the year—January, February, and March—residents enjoy a full 12 hours of daylight daily, fostering vibrant outdoor activities and a dynamic natural environment. However, as April approaches, daylight hours begin a slight decline to 11 hours, which continues through August, signifying a modest seasonal shift.

As the year progresses into September, daylight duration quickly rebounds to 12 hours, remaining steady through the end of the year in October, November, and December. This consistent pattern of daylight, with only minor fluctuations, reflects the tropical climate's balanced rhythm, allowing ample opportunities for exploration and engagement with nature. The predictability of daylight hours enhances the allure of Nukunonu, inviting both residents and visitors to immerse themselves in its lush landscapes and vibrant culture year-round.

Average Monthly Daylight Hours in Nukunonu, Tokelau

This chart shows the total daylight hours Nukunonu receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec754h742h727h712h700h694h697h708h722h738h751h758h
Data source: Nukunonu daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Nukunonu's Popular Destinations

Nukunonu, Tokelau, experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average monthly temperatures range from 27°C (81°F) to 28°C (82°F), with highs peaking at 30°C (86°F) in January, February, November, and December. Precipitation varies, with February being the wettest month at 374 mm (14.7 in), while rainfall decreases significantly from May to July. The area enjoys abundant sunshine, particularly in March (308 hours) and October (306 hours). For more detailed information, visit Nukunonu climate.

Conclusion

In conclusion, Nukunonu, Tokelau, exemplifies a captivating tropical climate characterized by consistent temperatures, substantial rainfall, abundant sunshine, and high UV exposure. With minimal variations in temperature and daylight duration throughout the year, the region provides a stable environment that supports rich biodiversity and vibrant ecosystems. The high UV Index, particularly during the first half of the year, emphasizes the need for sun protection, while the well-distributed precipitation patterns ensure the preservation of lush landscapes. Together, these climatic factors create an alluring destination for both residents and visitors, offering a unique blend of natural beauty and ecological significance that is truly emblematic of a tropical paradise.

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