December Weather in Madang, Papua New Guinea

Last updated: August 31, 2025

In December, Madang, Papua New Guinea, experiences a tropical climate characterized by warm temperatures and high humidity. With daily maximums reaching 32°C (90°F) and averages around 27°C (80°F), the weather is consistently inviting for outdoor activities. However, it also brings substantial rainfall, accumulating to an impressive 504 mm (19.8 in) over the month, with nearly 29 rainy days contributing to the lush landscape. The humidity levels hover around a notable 81%, enhancing the tropical feel and nurturing the region's vibrant flora. This combination of warmth and moisture not only makes December a picturesque time in Madang but also highlights its unique climate traits.

December Temperature in Madang

In December, Madang, Papua New Guinea, experiences a delightful warmth that sets the stage for summer activities. The temperature begins to inch upwards, with minimums hovering around 24°C (75°F), while the average settles comfortably at 27°C (80°F). As the month progresses, daytime highs reach a pleasant 32°C (90°F). This gradual increase in warmth is consistent with the trend seen throughout the year—temperatures remain relatively stable, with evening coolness offering a refreshing respite after the sun-drenched days. December's climate invites both relaxation and exploration, making it an ideal time for visitors to soak in the vibrant beauty of the region.

December Weather in Madang: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Madang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Madang, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec808079797979797979797980
Data source: Temperature data for Madang generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Madang

In December, Madang, Papua New Guinea experiences significant rainfall, with precipitation reaching 504 mm (19.8 in) across approximately 29 days. This marks a continuation of the wet season that begins in earnest from November, which also records substantial rainfall. As the year concludes, December's precipitation figures highlight a steady trend of increased rainfall, particularly when compared to the drier months of June (172 mm) and July (133 mm). The consistent soaking during this period not only sustains the lush greenery of the region but also underscores Madang's reputation as one of the wettest areas in the country. The high number of rain days throughout the month emphasizes the tropical climate's dynamic nature, reinforcing the importance of rain to the local ecosystem.

December Precipitation Trends in Madang

The chart displays monthly precipitation patterns in Madang, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Madang, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec334429557504348172134161179302429504
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Madang

In December, Madang, Papua New Guinea, experiences a slight dip in humidity, averaging 81%. This decrease marks a subtle shift from the consistently high levels observed throughout the year, where humidity hovers around 82% for most months. Notably, November witnesses a brief peak at 83%, but as the year draws to a close, the weather in December brings a touch of relief, offering a more comfortable atmosphere. Overall, while the humidity remains high, this month hints at a minor seasonal variation, making it a unique time of year in this tropical paradise.

December Average Humidity in Madang

This chart illustrates the average monthly humidity levels in Madang, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Madang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%82%82%82%81%82%82%82%81%82%83%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Madang

In December, Madang, Papua New Guinea, maintains an extreme UV Index of 14, indicating consistent high levels of sun exposure throughout the year. Following a pattern from previous months, this index suggests that residents and visitors alike should exercise caution and protection when venturing outdoors, as the burn time remains alarmingly short at just 10 minutes. The transition from the year's peak in March (UV Index 17) to December reflects a gradual decline in UV intensity, yet the risk of overexposure does not diminish. With such potent UV rays, everyone should stay vigilant and take necessary precautions. For more details on the UV levels throughout the year, visit Madang UV Index.

Maximum UV Index Levels in Madang for December

The chart shows the monthly maximum UV Index (UVI) for Madang in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Madang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161311121415151414
Data source: Madang December UVI data generated using information from the Copernicus Climate Change Service.

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.

December Sunshine in Madang

As December arrives in Madang, Papua New Guinea, the sun continues to shine brightly, offering an impressive 253 hours of sunlight. This month, while slightly less than the peak in October and August, still maintains a significant glow that characterizes the region's tropical climate. Observing the trend throughout the year, one can see that the sunshine hours steadily increase from January's 205 hours to a remarkable 276 hours in August and October. Following this period of peak brightness, the hours gradually decrease as the year comes to a close. December’s warmth serves as a delightful reminder of the vibrant sunshine that has graced Madang, perfectly encapsulating the region's alluring charm.

Monthly Sunshine Duration in Madang: December Highlighted

The December sunshine duration represents the total number of hours Madang experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec205h223h225h233h258h254h263h276h266h276h237h253h
Data source: Madang December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Madang During December

In December, the likelihood of sunny weather in Madang, Papua New Guinea takes a noticeable dip, with only a 3% chance of sunshine. This is part of a broader trend where the sunniest months are typically during the middle of the year, peaking in June at 29%. As the year progresses, particularly from January to November, the chances of sunny days generally increase, but the onset of December brings a stark decline, reminiscent of the overcast conditions of February and March. This pattern suggests that while the beginning of the year holds promise for clearer skies, December might leave you yearning for the sun.

Percentage of Sunny Days in December in Madang

The chart illustrates the percentage of sunny days in Madang throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Madang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec10%2%6%9%14%29%22%27%20%16%19%3%
Data source: Madang December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Madang in December

In Madang, Papua New Guinea, December heralds the return of longer days, with 12 hours of daylight that mirrors the consistency observed in the earlier months of the year. From January to March, daylight remains steadfastly at 12 hours, creating a sense of equilibrium. However, as the calendar turns to April, daylight dips to 11 hours, reflecting a gradual shift towards shorter days during the cooler months of the year. This trend continues through to August, where daylight remains at 11 hours. September marks a transition back to the 12-hour daylight rhythm, a condition that is preserved through October and November, leading into December’s balmy, sun-kissed days. Overall, the daylight hours in Madang present a fascinating pattern of stability and seasonal fluctuation, emphasizing the region's tropical climate.

Average Daylight Hours in Madang for December

The chart illustrates the variation in daylight duration in Madang throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 22m12h 15m12h 6m11h 58m11h 51m11h 48m11h 50m11h 55m12h 3m12h 12m12h 20m12h 24m
Data source: Madang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Madang

As December rolls into Madang, Papua New Guinea, the average wind speed slightly picks up to 1.5 m/s (3 mph), reflecting a trend of gentle breezes that have characterized the region throughout the year. This month's speed aligns with the higher averages seen in February and September, marking a subtle shift just as the year comes to a close. While the winds remain consistently mild, with most months hovering between 1.2 to 1.5 m/s, December’s slight increase hints at a refreshing change, perfect for enjoying the natural beauty of Madang's stunning landscapes. As the year wraps up, the gentle winds carry a promise of new beginnings, inviting residents and visitors alike to embrace the serene coastal vibe in this vibrant tropical paradise.

Average December Wind Speed in Madang

The chart displays monthly wind speed patterns in Madang, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.51.41.41.31.21.31.41.51.31.41.5 m/s
Data source: Madang December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Madang Compares to Other Months

Weather in Madang varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Madang, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, temperatures range from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), with an average of 27°C (80°F). This month experiences significant rainfall, accumulating 504 mm (19.8 in) over 29 days, and the humidity sits at a high 81%. In contrast, January features slightly lower minimum temperatures at 23°C (75°F) but a higher maximum of 33°C (91°F), with the same average of 27°C (80°F). While rainfall decreases to 334 mm (13.2 in) over 23 days, the humidity marginally rises to 82%. For more detailed information, check Madang weather in January.

The weather in December and February shows some notable similarities and differences. In December, temperatures range from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), with an average of 27°C (80°F). However, this month experiences significant rainfall, with a total precipitation of 504 mm (19.8 in) over 29 days, resulting in a humidity level of 81%.

In contrast, February has slightly lower minimum temperatures at 23°C (74°F) and a maximum of 33°C (91°F), while maintaining the same average of 27°C (80°F). Precipitation in February is less substantial at 429 mm (16.9 in) over 27 days, leading to a marginally higher humidity of 82%. For a more detailed look at the specific weather patterns in February, you can explore Madang weather in February.

In December, the weather features warm temperatures with a minimum of 24°C (75°F) and an average of 27°C (80°F), peaking at 32°C (90°F). However, it also brings significant rainfall, with a total precipitation of 504 mm (19.8 in) over 29 days and a humidity level of 81%. In contrast, March maintains similar temperature ranges, with a minimum of 24°C (75°F), an average of 26°C (80°F), and a maximum of 32°C (90°F). The month experiences even higher precipitation, totaling 557 mm (21.9 in) over the same number of days, resulting in a slightly increased humidity of 82%. For more details, you can check Madang weather in March.

When comparing the weather in December and April, both months exhibit remarkably similar conditions, marked by high temperatures and considerable humidity. In December, the average temperature ranges from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), while April shows a slight decrease, with temperatures ranging from 23°C (74°F) to 32°C (89°F). Precipitation is also consistent between the two months, with December recording 504 mm (19.8 in) and April slightly less at 503 mm (19.8 in), both spread over 29 days. Additionally, humidity remains high throughout both months, with December at 81% and April at 82%. For a more detailed look at April weather specifics, check out Madang weather in April.

In December, the weather features a minimum temperature of 24°C (75°F) and an average of 27°C (80°F), reaching a maximum of 32°C (90°F). The month experiences significant rainfall, with 504 mm (19.8 in) falling over 29 days, maintaining a high humidity level of 81%. In contrast, May sees slightly cooler temperatures, with a minimum of 23°C (74°F) and an average of 26°C (80°F), also topping out at 32°C (90°F). Precipitation is lower in May, totaling 348 mm (13.7 in) across 25 days, while humidity remains consistent at 81%. For more details, you can check Madang weather in May.

In December, the weather in Madang is generally warmer and wetter compared to June, with average temperatures ranging from 24°C (75°F) to a high of 32°C (90°F) and significant precipitation of 504 mm (19.8 in) over 29 days. The humidity is also quite high at 81%, creating a muggy atmosphere. In contrast, June sees slightly cooler temperatures, with a minimum of 23°C (74°F), an average of 26°C (79°F), and a maximum of 31°C (87°F). Rainfall decreases significantly to 172 mm (6.8 in) over 22 days, although humidity remains high at 82%. For more details on the weather in June, you can visit Madang weather in June.

In December, the weather is typically warmer than in July, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 32°C (90°F). This period also experiences significantly higher rainfall, with 504 mm (19.8 in) falling over 29 days, contributing to a humidity level of around 81%. In contrast, July features slightly cooler temperatures, averaging from 23°C (74°F) to 31°C (88°F), and much less precipitation, totaling 133 mm (5.3 in) over just 20 days. The humidity remains comparable at 82%, but the overall weather in July is noticeably drier. For more details on the weather in July, check out Madang weather in July.

In December, the weather is generally warmer and wetter compared to August. December experiences average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), with high humidity at 81%. Precipitation is quite significant, totaling 504 mm (19.8 in) over 29 days. In contrast, August has slightly cooler temperatures, with a minimum of 23°C (74°F) and a maximum of 31°C (88°F). The month sees much less rainfall, averaging 161 mm (6.4 in) over 18 days, while humidity remains relatively high at 82%. For a detailed comparison of August weather in Madang, check out Madang weather in August.

In December, the weather is generally warmer and wetter compared to September. While both months experience similar maximum temperatures, with December peaking at 32°C (90°F) and September at 32°C (89°F), the average temperatures show a slight increase in December, reaching 27°C (80°F) compared to September's 26°C (79°F). However, December is significantly more humid with a higher precipitation level of 504 mm (19.8 in), occurring over 29 days, versus September's 179 mm (7.0 in) over 17 days. Despite the increased rainfall and humidity in December, both months maintain an 81% humidity level, providing a consistently humid atmosphere throughout the transition from September to December. For more details, visit Madang weather in September.

In comparing the weather between October and December, both months experience similar temperature ranges, with December showing slightly higher average and minimum temperatures. December's minimum temperature is 24°C (75°F), while in October, it is 23°C (74°F). However, December is notably wetter, with 504 mm (19.8 in) of precipitation over 29 days, compared to October's 302 mm (11.9 in) over 23 days. Humidity levels are quite close, with December at 81% and October at 82%. For a detailed look at October weather, you can check Madang weather in October.

December's weather is characterized by slightly warmer average temperatures compared to November, with a minimum of 24°C and an average of 27°C, while November sees a minimum of 23°C and an average of 26°C. Both months experience maximum temperatures peaking at 32°C. However, December is notably wetter, with precipitation reaching 504 mm over 29 days, whereas November has 429 mm over 27 days. Humidity levels are marginally lower in December at 81%, compared to November's 83%. For more detailed information, you can check Madang weather in November.

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Conclusion: What to Expect From December Weather in Madang

As December rolls in, Madang experiences a distinct shift in its climate, characterized by warm temperatures averaging 27°C (80°F) and peaking at a maximum of 32°C (90°F). However, this month also brings an increase in precipitation, with nearly daily rainfall contributing to a total of 504 mm (19.8 in) over 29 days, making it one of the wettest times of the year. The high humidity levels, sitting at around 81%, create a lush, tropical environment that feels distinctively different compared to the drier months. This blend of warmth and frequent rain not only enhances the vibrant green landscape but also sets the stage for a unique experience in Madang. For more insights into the climate, visit Madang Climate.