East New Britain Climate

Last updated: January 18, 2025

East New Britain, Papua New Guinea, exhibits a tropical rainforest climate as classified by the Köppen-Geiger system (Af). Characterized by consistently high temperatures, the region experiences a minimum of 25°C (77°F) in September, with an average temperature of 27°C (81°F) year-round. The hottest month is October, where temperatures can peak at 30°C (86°F). This stable climate fosters a rich biodiversity and lush vegetation, integral to the region's ecological and cultural identity.

East New Britain temperature by month

Throughout the year, East New Britain, Papua New Guinea, maintains a remarkably stable temperature profile, showcasing minimal variation across the months. The region consistently registers a minimum temperature of around 25°C (77°F), with an average temperature remaining steady at 27°C (81°F). Maximum temperatures fluctuate slightly, peaking at 30°C (86°F) during the initial and latter months of the year, particularly in January, February, March, October, November, and December. Summer months such as May to September experience a slight cooling trend, with maximum temperatures dipping to around 29°C (85°F) in June, July, and August. This overall consistency in temperatures, punctuated by minor seasonal variations, underscores the tropical nature of the region, ideal for vibrant ecosystems and agriculture thriving in such a warm climate.

Monthly Temperatures in East New Britain, Papua New Guinea

The chart illustrates East New Britain'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.
JanFebMarAprMayJunJulAugSepOctNovDec818181818181808080818181
Data source: East New Britain 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 Kokopo and Rabaul, the temperatures remain consistent with both locations experiencing a minimum of 25°C (77°F) in September and a maximum of 30°C (86°F) in October. For more detailed temperature insights, visit monthly temperatures in Kokopo and monthly temperatures in Rabaul.

Precipitation Patterns in East New Britain

East New Britain, Papua New Guinea, experiences a highly variable precipitation pattern throughout the year, with a distinct wet season dominating the early months. March stands out as the wettest month, receiving approximately 407 mm (16.0 in) of rain over 28 days, followed closely by February with 299 mm (11.8 in). This high rainfall supports the lush tropical rainforest ecosystem characteristic of the region. Notably, rainfall remains significant in April at 336 mm (13.2 in), yet declines considerably by May, which reports only 204 mm (8.0 in).

As the year progresses, precipitation tends to decrease, particularly in the mid-year months. June marks a notable reduction in rainfall, with just 119 mm (4.7 in) falling over 19 days, making it the driest month. This trend continues into July and August, which receive 179 mm (7.1 in) and 191 mm (7.5 in) respectively. The onset of a secondary peak occurs in November with a resurgence to 227 mm (8.9 in), while December follows with substantial precipitation of 339 mm (13.3 in), demonstrating the region's capacity to maintain high humidity and diverse flora year-round. The overall distribution signifies two primary wet periods, delineating distinct climatic phases throughout the annual cycle.

Monthly Average Precipitation in East New Britain, Papua New Guinea

The average monthly precipitation in East New Britain, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec216299407336204119179191178171227339
Data source: East New Britain precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in East New Britain

In East New Britain, Papua New Guinea, sunshine duration exhibits a clear seasonal pattern, peaking during the latter half of the year. Beginning with January's 225 hours of sunlight, the region gradually experiences an increase in sunshine hours until a notable peak is reached in October with 277 hours. This growth reflects the transition from the lower light conditions of the early months to a vibrant and sun-drenched period, which can greatly influence local agriculture and tourism activities. The gradual increase is particularly significant from June to October, during which time the average hours of sunshine consistently surpass 250 hours each month, creating ideal conditions for outdoor pursuits and enhancing the natural beauty of the landscape.

Conversely, during the first half of the year, sunshine hours tend to be lower, with the months of January and April recording the least sunlight at 225 hours and 241 hours, respectively. Although February and March see slight increases, it is not until May and June that the sun begins to shine more consistently. The data shows that August continues the upward trend, ending at 273 hours, hinting at the region's climatic resilience even during transitional periods. Overall, the sunshine duration highlights East New Britain's tropical allure, with significant implications for ecological health and the livelihoods of local communities who rely on predictable weather patterns.

Monthly Sunshine in East New Britain, Papua New Guinea

Monthly sunshine duration represents the total hours of direct sunlight East New Britain receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec225h242h261h241h256h265h257h273h263h277h257h263h
Data source: East New Britain sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

East New Britain UV Index Trends

East New Britain, Papua New Guinea, experiences a consistently high UV Index, reflecting the region's tropical climate and geographical location. From January to March, the UV Index remains at an extreme level, hitting a peak of 17 during February and March, which necessitates protective measures for outdoor activities. With a burn time of just 10 minutes, this extreme exposure highlights the urgent need for sun safety in these months. Even in April, the UV Index is a significant 16, showcasing the persistent intensity of solar radiation and the potential risk for skin damage without appropriate precautions.

As the year progresses, the UV Index shows a slight decline, but it remains within the extreme category throughout the majority of the year. By June and July, the Index drops to 12, still indicating high levels of UV exposure. In later months, including October, November, and December, the Index stabilizes around 14, reaffirming the importance of UV protection year-round. This persistent threat underlines the need for residents and visitors alike to adopt sun-safe practices, regardless of the season, to mitigate the risks associated with prolonged sun exposure in this sun-drenched region.

Monthly Maximum UV Index for East New Britain, Papua New Guinea

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in East New Britain. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec151717161312121315141414
Data source: East New Britain 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 East New Britain

In East New Britain, Papua New Guinea, daylight duration remains relatively consistent throughout the year, averaging around 12 hours per day in the first three months and again in September, October, November, and December. This stability reflects the region's proximity to the equator, where the length of day and night tends to remain uniform. The consistent 12-hour daylight periods during the early and late parts of the year provide ample opportunity for both agricultural activities and local communities to engage in outdoor practices, fostering a rhythm that aligns with the sunlight.

Conversely, the middle months of the year—April through August—see a slight reduction in daylight to 11 hours per day. This temporary decrease does not significantly impact the overall climate, but it marks the region's seasonal transition. Achieving a beneficial balance of light, these daylight hours support healthy ecosystems and contribute to the vibrant biodiversity of the area, ensuring that both flora and fauna thrive despite the minor fluctuations in daylight duration. This natural cycle emphasizes the idyllic climate of East New Britain, providing a supportive environment for local lifestyles throughout the year.

Average Monthly Daylight Hours in East New Britain, Papua New Guinea

This chart shows the total daylight hours East New Britain receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec739h733h726h719h714h712h713h717h724h731h737h740h
Data source: East New Britain daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of East New Britain's Popular Destinations

Kokopo, Papua New Guinea, experiences a tropical climate characterized by consistently warm temperatures throughout the year, with average monthly temperatures around 27°C (81°F) and maximums reaching up to 30°C (86°F). The region receives significant rainfall, peaking in March with 407 mm (16.0 in), contributing to a lush environment. Despite high precipitation, sunshine hours are abundant, with June offering the most at 265 hours. The combination of warmth and rainfall creates a vibrant ecosystem, ideal for outdoor activities year-round. For more details, check the Kokopo climate.

Rabaul, Papua New Guinea, experiences a tropical climate characterized by consistently warm temperatures year-round, with average temperatures ranging from 27°C (81°F) and maximums reaching up to 30°C (86°F). The region receives considerable rainfall, with March being the wettest month at 407 mm (16.0 in), while June has the least precipitation at 119 mm (4.7 in). Rabaul enjoys ample sunshine, peaking in October with 277 hours, which complements the lush landscapes typical of this tropical environment. For more detailed information, visit Rabaul climate.

Conclusion

In conclusion, East New Britain, Papua New Guinea, showcases a remarkable climatic profile characterized by consistent temperatures, substantial rainfall, extensive sunshine durations, high UV Index levels, and stable daylight hours. The region's tropical rainforest climate fosters rich biodiversity, while the pronounced seasonal trends in precipitation and sunshine highlight the importance of sun safety for inhabitants and visitors alike. With relatively steady daylight durations paired with intense UV exposure, the locality thrives year-round, offering unique opportunities for agriculture, ecological study, and tourism. Understanding these climatic patterns is essential for sustainable development and preservation of East New Britain's natural beauty and resources.

Discover the Climate of East New Britain's Places

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