Chimbu Climate

Last updated: January 18, 2025

Chimbu, located in Papua New Guinea, showcases a unique Af climate classification under the Köppen-Geiger system, characterized by its consistently warm temperatures and high humidity. The region experiences a minimum temperature of 8°C (47°F) in November, rising to an average of 15°C (60°F) throughout the year, while peaking at a maximum of 25°C (77°F) in March. These climatic conditions support a diverse ecosystem and play a vital role in the agricultural practices of the local communities, making Chimbu a significant area of interest for climate studies.

Chimbu temperature by month

In Chimbu, Papua New Guinea, temperature patterns exhibit a consistent and mild climate throughout the year, with minimal seasonal variation. The minimum temperatures generally hover between 8°C (47°F) and 10°C (50°F), primarily in the cooler months of September through November. Meanwhile, average temperatures remain stable at approximately 15°C (59°F) to 16°C (61°F), indicating a comfortable ambiance year-round. Maximum temperatures peak mildly in March, reaching up to 25°C (77°F), and typically range from 22°C (72°F) to 24°C (75°F) during the rest of the year. This temperature stability fosters a conducive environment for both local ecosystem diversity and agricultural practices.

Monthly Temperatures in Chimbu, Papua New Guinea

The chart illustrates Chimbu'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.
JanFebMarAprMayJunJulAugSepOctNovDec616060606059595959606061
Data source: Chimbu 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.

Kundiawa experiences a diverse climate, with temperatures ranging from a minimum of 8°C (47°F) in November to a maximum of 25°C (77°F) in March. This variation highlights the region's distinct seasonal shifts, offering visitors a glimpse into its unique weather patterns. For more detailed insights, you can refer to the monthly temperatures in Kundiawa.

Precipitation Patterns in Chimbu

Chimbu, Papua New Guinea, experiences a pronounced wet season characterized by high precipitation levels, particularly from December through March. January and February witness substantial rainfall, with totals reaching 532 mm (21.0 in) and 520 mm (20.5 in), respectively. The peak occurs in March, where precipitation surges to an impressive 711 mm (28.0 in), typically coinciding with the highest number of rainy days, totaling 30 days in that month. This abundant rainfall supports the region's lush vegetation and agricultural productivity, crucial for local livelihoods.

As the calendar transitions into the latter months of the year, precipitation levels exhibit a gradual decline yet remain significant. From April onward, rainfall diminishes, peaking at 492 mm (19.4 in) in April and decreasing further to 243 mm (9.6 in) by June and July. However, the pattern of frequent downpours continues, with the number of rainy days averaging around 27 per month during the dry season, further emphasizing the area’s consistent and humid climate. By the end of the year, precipitation begins to rise again in October, culminating in 531 mm (20.9 in) by December, signaling the return of the wetter season.

Monthly Average Precipitation in Chimbu, Papua New Guinea

The average monthly precipitation in Chimbu, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec532520711492306243244312372454507531
Data source: Chimbu precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
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Sunshine Duration in Chimbu

In Chimbu, Papua New Guinea, sunshine duration exhibits a notable seasonal trend, with a gradual increase from the beginning of the year leading into the dryer months. January and February see limited sunshine, with 173 hours and 178 hours, respectively, as the region experiences heavy rainfall. As the year progresses, the average hours of sunshine rise steadily, peaking in the mid-year during May, June, July, and August, where residents bask in nearly 229 to 250 hours of sunshine each month. This period not only marks the sunniest months but also provides an essential contrast to the preceding rainy season, offering ample opportunities for outdoor activities and agricultural work.

As autumn approaches, sunshine hours begin to decline but remain relatively high compared to the first part of the year. September sees 230 hours of sunshine, while October and November maintain around 234 to 209 hours, reflecting a gradual transition towards the wetter season once again. Interestingly, December experiences the same number of sunshine hours as November. This seasonal cycle highlights the unique climate of Chimbu, where sunshine patterns correlate closely with the region's rainfall, affecting the local environment and lifestyle.

Monthly Sunshine in Chimbu, Papua New Guinea

Monthly sunshine duration represents the total hours of direct sunlight Chimbu receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec173h178h173h188h229h236h250h250h230h234h209h209h
Data source: Chimbu sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Chimbu UV Index Trends

Chimbu, Papua New Guinea, experiences an extremely high UV Index throughout the year, indicating that sun exposure requires caution regardless of the season. From January to April, the UV Index remains consistently high, peaking at 18 in February and March, where the recommended burn time is a mere 10 minutes. This extreme rating underscores the importance of sun protection, as prolonged exposure can lead to skin damage within minutes. As the region transitions into the cooler months of May and June, the UV Index shows a slight decline, dropping to 15 in May and 12 in June, yet it still maintains an extreme exposure category, emphasizing the need for vigilance against UV radiation.

As the year progresses, the UV Index fluctuates but continues to present significant risks. By July, the Index rises to 13, followed by 15 in August, and regains strength in September and October at 17. Even in the later months, November and December record a UV Index of 16, indicating that protective measures are necessary well into the wet season. Overall, Chimbu's UV Index averages an extreme level year-round, making it crucial for residents and visitors to adopt effective sun safety practices to mitigate the impact of high solar radiation.

Monthly Maximum UV Index for Chimbu, Papua New Guinea

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Chimbu. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec171818181512131517171616
Data source: Chimbu 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 Chimbu

Chimbu, Papua New Guinea, showcases a remarkably consistent pattern of daylight duration throughout the year, with an average of 12 hours of daylight from January to March. This steady light exposure is essential for agriculture and daily life, providing ample time for outdoor activities and cultivation. As the year progresses into April, May, June, July, and August, daylight hours decrease slightly to 11 hours, marking a subtle shift as the region transitions into the cooler months. Despite this reduction, the relatively stable daylight hours throughout these months ensure a continuous engagement with natural light.

As September approaches, daylight duration begins to extend again, returning to 12 hours until the end of the year. This seasonal fluctuation reflects the region’s equatorial positioning, where significant variations in day length are minimal compared to temperate zones. Consequently, locals in Chimbu can expect a familiar rhythm of light throughout the year, with both practical and cultural implications tied to the availability of natural daylight. This predictability supports agriculture and daily routines, fostering a deep connection with the natural environment.

Average Monthly Daylight Hours in Chimbu, Papua New Guinea

This chart shows the total daylight hours Chimbu receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec744h736h727h717h709h706h707h714h723h733h742h747h
Data source: Chimbu daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Chimbu's Popular Destinations

Kundiawa, located in Papua New Guinea, experiences a temperate climate characterized by mild temperatures throughout the year, with averages ranging from 15°C (59°F) to 16°C (61°F). The region faces significant rainfall, peaking in March at 711 mm (28.0 in) and decreasing to around 243 mm (9.6 in) during the drier months of June and July. Sunshine is plentiful, particularly in the middle of the year, with July and August enjoying around 250 hours of sunlight each. For more detailed climate information, visit Kundiawa climate.

Conclusion

In conclusion, Chimbu, Papua New Guinea, presents a unique and consistent climate characterized by stable temperatures, abundant rainfall, and significant UV exposure throughout the year. The region's mild temperature ranges and predictable daylight duration foster a sustainable environment conducive to agriculture and community activities. Despite the extreme UV Index necessitating diligent sun protection measures, the rhythmic patterns of sunshine and daylight enhance the inhabitants' connection to their natural surroundings. Overall, Chimbu serves as a compelling example of how climatic and environmental factors influence lifestyle, agricultural practices, and cultural dynamics within equatorial regions.

Discover the Climate of Chimbu's Places

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