Last updated: January 18, 2025
Jiwaka, Papua New Guinea, is characterized by a tropical rainforest climate (Köppen-Geiger class Af), which fosters lush vegetation and a vibrant ecosystem. The region experiences relatively stable temperatures throughout the year, with minimum temperatures dipping to 8°C (46°F) in October and peaking at a comfortable 26°C (78°F) in February. The average yearly temperature hovers around 16°C (61°F), underscoring the area's consistently warm and humid conditions essential for its diverse flora and fauna. This climate not only supports unique biodiversity but also significantly influences the livelihood and agricultural practices of the local population.
In Jiwaka, Papua New Guinea, temperature patterns exhibit a moderate range influenced by the region's tropical climate. Throughout the year, minimum temperatures generally fluctuate between 8°C (46°F) and 10°C (50°F), with the coolest months being June to October. Average temperatures remain relatively stable, primarily around 15°C (60°F) to 17°C (62°F), peaking slightly in the warmer months of January and December. Maximum temperatures show a slight increase from 23°C (73°F) in the middle of the year to a high of 26°C (78°F) in February, signaling a subtle transition into the warmer season. This consistency in temperature creates an environment favorable for diverse ecosystems and agriculture while also defining the seasonal rhythms of life in the area.
In Minj, temperatures range from a minimum of 8°C (46°F) in October to a maximum of 25°C (77°F) in March, while Kurumul experiences slightly warmer conditions, with lows of 9°C (48°F) in June and highs reaching 26°C (78°F) in February. For more detailed information, check the monthly temperatures in Minj here and in Kurumul here.
Jiwaka, Papua New Guinea, experiences a rich precipitation pattern that is characteristic of its tropical rainforest climate. The wettest months are typically February and March, with rainfall measuring 616 mm (24.2 in) and 772 mm (30.4 in), respectively. This peak aligns with March, which sees the highest number of rainy days at 31, providing critical moisture that sustains the region's biodiversity and agricultural practices. Gradually tapering off, the rainfall subsides in June and July, where totals drop to 380 mm (15.0 in) and 397 mm (15.6 in), respectively, signaling a brief dry season.
As the year progresses towards its conclusion, precipitation rates begin to rise again, reaching 650 mm (25.6 in) in November and maintaining substantial rainfall of 606 mm (23.8 in) in December. With a consistent average of around 25 to 30 rainy days per month, Jiwaka remains lush and vibrant throughout the year. This cyclical pattern not only supports the diverse ecosystems but also plays a vital role in the livelihoods of the local communities, dependent on the seasonal rains for crop production and other water needs.
In Jiwaka, Papua New Guinea, sunshine duration displays a clear seasonal trend, with the years characterized by a steady increase in sunlight hours from early winter to late spring. Starting at 177 hours in January, the hours of sunshine gradually rise each month, peaking in August with 254 hours. This accumulation of sun is essential for the region’s agriculture, allowing crops to flourish during the drier months and contributing to the overall vibrant ecosystem.
As the year transitions to the wet season, sunshine hours begin to decline, though they remain relatively healthy compared to the early months. Notably, both October and November maintain substantial brightness with 241 hours and 213 hours, respectively, illustrating that even during the rainy months, sunlight remains a consistent presence. December sees a slight uptick back to 217 hours, hinting at the region's favorable conditions for both agriculture and daily life. These patterns not only reveal the climatic balance of Jiwaka but also underline its significance for local communities dependent on sunlight for natural growth.
In Jiwaka, Papua New Guinea, the UV Index reveals a consistent pattern of extreme exposure levels throughout the year, reflecting the region's tropical climate and proximity to the equator. The UV Index peaks notably in the early months, with values reaching 18 in February, March, and April, indicating that sun exposure during these times can result in sunburn within just 10 minutes. Even in May, the UV Index remains high at 15, emphasizing the necessity for protective measures against intense solar radiation during these peak months.
As the year progresses, the UV Index gradually decreases but remains in the extreme category. June and July see indices of 12 and 13, respectively, before slightly rising again in September, October, and November to levels between 16 and 17. Throughout the year, the consistent warning of extreme conditions underscores the importance of sun safety for residents and visitors, who should be vigilant about sun protection regardless of the month, particularly since the burn time consistently remains at just 10 minutes.
UV Risk Categories
In Jiwaka, Papua New Guinea, daylight duration exhibits a remarkably stable pattern throughout the year, with most months averaging around 12 hours of sunlight. From January through March, the consistency of 12 hours allows for a reliable routine for both residents and agricultural practices. As the region transitions into the cooler months of April, May, June, July, and August, daylight slightly decreases to 11 hours. This reduction is minimal but indicates a subtle seasonal change, which may influence daily activities and natural rhythms.
As the year progresses towards September, the daylight hours begin to climb back to 12 hours, remaining steady through the end of the year. This characteristic of Jiwaka's daylight duration reflects its equatorial positioning, resulting in few variations in sunlight throughout the seasons. The continuous access to around 11 to 12 hours of daylight supports the region's rich biodiversity and sustains the livelihoods of the local communities, providing ample opportunity for both cultivation and outdoor activities year-round.
The climate in Kurumul, Papua New Guinea, is characterized by mild temperatures throughout the year, ranging from a minimum of 9°C (48°F) in June and July to a maximum of 26°C (78°F) in February. Precipitation is significant, with March receiving the highest rainfall at 754 mm (29.7 in), while June typically sees the least at 364 mm (14.3 in). Sunshine hours peak in August with 258 hours, providing a balance to the region's substantial rainfall. Overall, Kurumul experiences a tropical climate with distinct wet and dry patterns. For more detailed information, visit Kurumul climate.
Minj, Papua New Guinea experiences mild temperatures throughout the year, with monthly averages typically around 15-16°C (59-61°F). The climate is characterized by significant rainfall, peaking in March at 790 mm (31.1 in), while the driest months are June and July, receiving around 345 mm (13.6 in). Sunshine hours vary, with July and August enjoying the most at approximately 250 hours. Overall, Minj's climate is marked by a wet season, contributing to its lush landscapes. For more detailed information, visit Minj climate.
In conclusion, Jiwaka, Papua New Guinea, presents a complex yet harmonious interplay of climate characteristics that significantly influence its ecosystems and local communities. The region enjoys a tropical rainforest climate with consistent temperatures, abundant precipitation, and extreme UV exposure, all of which foster a diverse environment. With stable daylight duration throughout the year, the residents benefit from ample opportunities for agriculture and daily activities. Understanding these climatic patterns is essential for effective resource management and sustainable development, allowing the local population to adapt and thrive in harmony with their vibrant environment.