New Ireland Climate

Last updated: January 18, 2025

New Ireland, Papua New Guinea, is characterized by a tropical rainforest climate classified under the Köppen-Geiger system as Af. This region experiences remarkable temperature stability, with a minimum average of 25°C (77°F) recorded in July, and averages around 28°C (82°F) throughout the year. The warmest months typically peak at 30°C (86°F) in January, further emphasizing New Ireland's warm, humid conditions conducive to lush biodiversity and vibrant ecosystems. This climatic profile not only supports rich flora and fauna but also plays a crucial role in the livelihoods of local communities, influencing agriculture and daily activities.

New Ireland temperature by month

In New Ireland, Papua New Guinea, temperature patterns reveal minimal fluctuations throughout the year, reflecting its tropical climate. The region experiences warm conditions consistently, with average temperatures hovering around 28°C (82°F) across most months. The warmest months, January to April, maintain maximum temperatures at a steady 30°C (86°F). A slight cooling trend occurs during mid-year, with average temperatures dipping to 27°C (81°F) from June to September, while minimum temperatures remain relatively stable, ranging from 25°C (77°F) to 26°C (79°F). As the year closes, temperatures gradually rise again, returning to the average of 28°C (82°F) in October, and emphasizing New Ireland's tropical character with warm, humid conditions year-round.

Monthly Temperatures in New Ireland, Papua New Guinea

The chart illustrates New Ireland'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.
JanFebMarAprMayJunJulAugSepOctNovDec828281828281818181828282
Data source: New Ireland temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

Kavieng experiences a tropical climate with temperatures ranging from a minimum of 25°C (77°F) in July to a maximum of 30°C (86°F) in January. This consistent warmth throughout the year creates a pleasant environment for visitors and residents alike. For more detailed information on monthly temperatures, you can refer to monthly temperatures in Kavieng.

Precipitation Patterns in New Ireland

New Ireland, Papua New Guinea, experiences significant rainfall throughout the year, reflecting a tropical climate marked by distinct wet periods. January starts the year with 242 mm (9.5 in) of precipitation, but February and March see a dramatic increase, with 286 mm (11.3 in) and 396 mm (15.6 in), respectively. The peak rainfall typically occurs in March, often attributed to the onset of the wet season. Despite the heavy rains during these months, average rainfall remains high in April and May, amounting to 354 mm (13.9 in) and 335 mm (13.2 in).

The mid-year months see fluctuations in precipitation, with June experiencing a dip to 240 mm (9.4 in), before rising again to an impressive 456 mm (17.9 in) in July, marking the year’s wettest month. Post-July, rainfall remains robust, with August and September recording 294 mm (11.6 in) and 260 mm (10.2 in), respectively. Although the dry season tends to settle in from October, it still sees considerable precipitation at 267 mm (10.5 in), maintaining the region’s lush landscapes. The cycle completes with rainfall in November and December at 332 mm (13.1 in) and 304 mm (12.0 in), contributing to New Ireland's rich biodiversity.

Monthly Average Precipitation in New Ireland, Papua New Guinea

The average monthly precipitation in New Ireland, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec242286396354335240456294260267332304
Data source: New Ireland precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred precipitation unit

Sunshine Duration in New Ireland

In New Ireland, Papua New Guinea, sunshine duration showcases a notable upward trend as the year progresses, peaking during the latter months of the year. Starting from January with 233 hours of sunlight, the duration gradually increases, reaching 270 hours in March, as the region transitions towards its drier season. This upward trajectory highlights the shift towards sunnier conditions, particularly evident from April through July, where sunshine hours consistently hover around 259 to 279 hours. This period of moderate sunlight supports the region's lush, tropical growth while balancing the humid weather patterns typical of New Ireland.

The most striking period of sunshine occurs in the latter half of the year, with October standing out as the sunniest month at 295 hours. This peak reflects a shift away from the heavier rainfalls of the previous months, showcasing a drier, more stable climate. Sunshine continues to be generous through November and December, with 271 hours and 282 hours respectively. This seasonal pattern underscores the impressive capacity for sunlight in New Ireland, making it a vibrant and productive region where the interplay of sunlight and rainfall creates a dynamic biodiverse ecosystem.

Monthly Sunshine in New Ireland, Papua New Guinea

Monthly sunshine duration represents the total hours of direct sunlight New Ireland receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec233h248h270h259h279h278h279h292h283h295h271h282h
Data source: New Ireland sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

New Ireland UV Index Trends

In New Ireland, Papua New Guinea, the UV Index remains consistently high throughout the year, indicating the need for intense sun protection due to extreme exposure levels. The year commences with a UV Index of 15 in January, escalating to 17 in March, which marks the peak level of solar radiation. This intensity means that individuals are at risk of skin damage within just 10 minutes of unprotected sun exposure, emphasizing the critical importance of wearing sunscreen and protective clothing during these months.

As the year progresses into mid-year, the UV Index begins to show slight fluctuations, ranging from 12 to 16. Despite this minor decrease, the exposure category remains classified as extreme, with a consistent burn time of just 10 minutes. This underscores that even during the lower points of the UV Index, the potential for harm is still significant. The latter months of the year, from October to December, stabilize around a UV Index of 14, which continues to necessitate vigilant sun safety measures. In summary, the high UV Index standard throughout the year highlights the need for residents and visitors alike in New Ireland to be aware of sun safety practices, ensuring protection from the year's relentless UV radiation.

Monthly Maximum UV Index for New Ireland, Papua New Guinea

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in New Ireland. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151617161412121314141414
Data source: New Ireland 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 New Ireland

In New Ireland, Papua New Guinea, daylight duration is remarkably consistent throughout the year, largely influenced by its equatorial location. From January through April, the region enjoys a stable 12 hours of daylight each day, providing ample sunlight for various activities and supporting the vigorous growth of its tropical landscape. This steady allotment of daylight allows both residents and wildlife to thrive, particularly during the lush wet season when the day length complements the high levels of rainfall.

As the year approaches mid-year, daylight duration shifts slightly to 11 hours during May to July, indicating a minor decrease as the region transitions through its seasonal cycles. However, starting in August, daylight resumes its typical 12-hour length, and this pattern continues through the latter months of the year. This consistency in daylight duration throughout New Ireland not only emphasizes the predictability of its climate but also facilitates a rhythmic cycle for agriculture, community activities, and biodiversity, which depend on the reliable pattern of sunlight and seasonal changes.

Average Monthly Daylight Hours in New Ireland, Papua New Guinea

This chart shows the total daylight hours New Ireland receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec734h730h726h722h719h718h718h720h724h729h733h735h
Data source: New Ireland daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of New Ireland's Popular Destinations

Kavieng, Papua New Guinea, experiences a tropical climate with consistent high temperatures throughout the year, averaging between 27-28°C (81-82°F) and maxing at 30°C (86°F). Precipitation varies significantly, peaking in March with 396 mm (15.6 in) and bulging in July with 456 mm (17.9 in), while June tends to be drier with only 240 mm (9.4 in). Sunshine hours are relatively abundant, ranging from 233 hours in January to 295 hours in October. This tropical environment creates lush landscapes, making Kavieng a unique destination for nature enthusiasts. For more detailed climate information, visit Kavieng climate.

Conclusion

In conclusion, New Ireland, Papua New Guinea, presents a dynamic and consistent climate characterized by stable temperature, substantial precipitation, high UV Index, and reliable daylight duration. The region's tropical rainforest climate fosters rich biodiversity, with temperatures remaining warm throughout the year and precipitation patterns supporting its lush ecosystems. Additionally, the extreme UV levels require ongoing sun safety awareness, while the consistent availability of daylight throughout the year enhances agricultural practices and daily life. Collectively, these climatic factors make New Ireland not only a vibrant ecological hotspot but also a unique area where understanding seasonal trends is essential for both residents and visitors alike.

Discover the Climate of New Ireland's Places

K