Last updated: August 31, 2025
December in Rabaul, Papua New Guinea brings a warm tropical climate, with temperatures ranging from a minimum of 25°C (78°F) to a comfortable maximum of 30°C (86°F), and an average of 27°C (81°F). This month's weather is characterized by high humidity, averaging 78%, contributing to a lush and vibrant environment. Rain is frequent, with 339 mm (13.3 in) of precipitation over approximately 28 days, making December one of the wetter months of the year. Visitors should be prepared for daily showers amidst the warm temperatures, which enhance the area's rich natural beauty.
In December, Rabaul, Papua New Guinea experiences a delightful tropical climate that mirrors the preceding months. With a minimum temperature of 25°C (78°F), the weather remains consistently warm, providing the perfect backdrop for outdoor activities. The average temperature hovers around 27°C (81°F), and peaks at a maximum of 30°C (86°F), ensuring that residents and visitors alike can enjoy a blend of sunshine and heat. This stability in temperature throughout the year, particularly in December, emphasizes Rabaul's allure as a year-round destination, where tropical warmth invites exploration and relaxation.
December in Rabaul, Papua New Guinea, marks a significant uptick in precipitation, with 339 mm (13.3 in) of rain falling over the month, making it one of the wetter periods of the year. This increase coincides with a notable rise in rainy days, as December experiences 28 days of precipitation, the highest of any month. The trend reveals a continuous ascent in rainfall starting from the relatively drier months of May and June, culminating in the peak wetness typical for the region at the year’s end. The heavy rains of December pave the way for a lush, vibrant landscape, underscoring Rabaul’s tropical character and highlighting its seasonal variability.
In December, Rabaul, Papua New Guinea, experiences a humidity level of 78%, which aligns closely with the humidity recorded in the preceding months of January to April, showcasing a subtle return to the norm after a peak during the mid-year. The higher humidity levels in July and August, reaching as high as 89%, emphasize the region’s tropical climate, while the gradual decline observed from September through November underscores a slight seasonal shift. By December, the humidity stabilizes, providing a consistent atmosphere as the year comes to a close, reminding residents and visitors alike of Rabaul's lush, vibrant environment.
In December, Rabaul, Papua New Guinea, continues to bask under intense sun with a UV Index of 14, reflecting the region's consistently extreme exposure category throughout the year. This trend of high UV levels, peaking in February and March at 17, highlights the necessity for vigilant sun protection. With just a 10-minute burn time across all months, residents and visitors alike should remain cautious, as these conditions demand proactive measures against sun damage. As the year comes to a close, the warm climate remains inviting, but staying informed about the Rabaul UV Index is essential for enjoying the outdoors safely.
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In Rabaul, Papua New Guinea, December ushers in a delightful culmination of the year with 263 hours of sunshine, contributing to the region's overall trend of increasing daylight. Following a notable rise from October's peak of 277 hours, sunlight hours begin to settle, yet remain robust as the year draws to a close. The atmosphere remains bright and inviting, showcasing a gradual shift from February’s relative lows of 242 hours. This upward trajectory, particularly prominent from June’s peak of 265 hours through August’s peak of 273 hours, illustrates the region's allure as a sun-soaked destination, perfect for celebrating the summer season. As the sun shines down through December, Rabaul’s landscape basks in the warm glow, enchanting visitors and locals alike.
In December, Rabaul, Papua New Guinea, experiences a modest 10% chance of sunny weather, indicating a notable decline as the year comes to a close. This is in stark contrast to the sunnier months of October and August, which boast probabilities of 41% and 38%, respectively. Interestingly, the year begins with a 32% chance in January, suggesting that early in the year is generally more favorable for sun seekers. As the wet season approaches, the likelihood of sunshine drops, reflecting a seasonal trend that emphasizes the importance of planning for more overcast days in December. So while December may not be the most reliable month for sun in Rabaul, it sets the stage for the vibrant, lush landscapes nurtured by the monsoon rains.
In Rabaul, Papua New Guinea, December brings an inviting 12 hours of daylight, maintaining the consistent pattern seen throughout most of the year. From January to March, the days are pleasantly balanced, offering a steady 12 hours that heightens the feeling of equatorial tranquility. As the year progresses into April, daylight dips to 11 hours, signaling a subtle shift towards shorter days, which continues through the mid-year months of May to August. However, this trend reverses in September, restoring the 12-hour daylight rhythm that persists through November and into December. Such consistency in daylight duration enriches the vibrant life and activities in this tropical paradise, making it an appealing destination year-round.
As December settles in Rabaul, the winds whisper their way back to a gentle average speed of 2.7 m/s (6 mph), reminiscent of the quieter breeziness of October and November. This month marks a transition from the heightened gusts of the preceding months, where the winds reached their peak in September at 4.1 m/s (9 mph). The gradual increase from the calm of late autumn to the soft wind of early summer suggests a rhythmic dance between serenity and intensity, inviting residents and visitors alike to embrace the island's tropical charm during this festive season. While the year may have featured occasional blustery moments, December's breezes offer a comforting embrace, perfect for celebrating the holidays in this vibrant coastal town.
Weather in Rabaul varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Rabaul, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather is characterized by warm temperatures, with a minimum of 25°C (78°F), an average of 27°C (81°F), and a maximum of 30°C (86°F). However, it sees significantly more rainfall, totaling 339 mm (13.3 in) spread over 28 days, resulting in a humid environment with a relative humidity of 78%. In contrast, January maintains similar temperature ranges, with a minimum of 25°C (78°F), an average of 27°C (82°F), and a maximum of 30°C (86°F), but experiences less rainfall of 216 mm (8.5 in) over 21 days. This reduced precipitation in January contributes to a more moderate feel while keeping the humidity consistent at 78%. For more details, check out the Rabaul weather in January.
In December, the weather remains consistently warm with temperatures ranging from a minimum of 25°C (78°F) to a maximum of 30°C (86°F) and an average of 27°C (81°F). However, this month experiences significant rainfall, totaling 339 mm (13.3 in) over 28 days, leading to high humidity levels of 78%. In contrast, February offers similar temperature averages but slightly less precipitation at 299 mm (11.8 in) over 26 days, resulting in a marginally lower humidity of 77%. For more detailed insights into February's conditions, you can check Rabaul weather in February.
When comparing the weather between December and March, both months exhibit similar temperature ranges, with minimums around 25°C (78°F), averages at 27°C (81°F), and maximums peaking at 30°C (86°F). However, March tends to be wetter, experiencing higher precipitation levels at 407 mm (16.0 in) compared to December's 339 mm (13.3 in), while both months receive precipitation on 28 days. The humidity remains consistent at 78% for both months, creating a similarly tropical feel. For more detailed insights on March weather in Rabaul, you can visit Rabaul weather in March.
In comparing the weather of December and April, we find that both months exhibit remarkably similar conditions. Each month has an average temperature of around 27°C (81°F), with minimums and maximums consistent at 25°C (77°F) and 30°C (86°F), respectively. However, December sees slightly more precipitation, with 339 mm (13.3 in) falling over 28 days, compared to April's 336 mm (13.2 in) over 27 days. Humidity levels are also close, with December at 78% and April at 77%. For more detailed information on April weather specifically, you can visit Rabaul weather in April.
In both December and May, the weather remains quite consistent, with minimum temperatures around 25°C (78°F), average temperatures at 27°C (81°F), and maximum temperatures reaching close to 30°C (86°F). However, December experiences significantly higher precipitation at 339 mm (13.3 in) over 28 days, while May sees a reduction to 204 mm (8.0 in) across 23 days, resulting in a drier atmosphere. Humidity levels are also similar, hovering around 77-78%. For more detailed information, you can visit Rabaul weather in May.
When comparing the weather in December to that in June, both months feature warm temperatures, with average highs around 27°C (81°F). However, December tends to experience slightly higher maximum temperatures, reaching up to 30°C (86°F), compared to June's peak at 29°C (85°F). Precipitation levels also tell a contrasting story; December receives significantly more rainfall at 339 mm (13.3 in) over 28 days, while June sees much less, with 119 mm (4.7 in) across 19 days. Additionally, humidity is slightly higher in June at 82%, compared to December's 78%. For more details about June's climate, check out Rabaul weather in June.
In comparing the weather between December and July, both months experience similar temperature ranges, with minimums of around 25°C (78°F), average temperatures of about 27°C (81°F), and maximums reaching 30°C (86°F) in December and slightly lower at 30°C (85°F) in July. However, December sees significantly higher precipitation, totaling 339 mm (13.3 in) over 28 days compared to July's 179 mm (7.1 in) over just 20 days. Additionally, humidity levels are noticeably higher in July at 86%, compared to 78% in December. For more detailed insights about July weather, visit Rabaul weather in July.
When comparing the weather in December to that in August, both months exhibit similar temperature ranges, with December experiencing a minimum of 25°C (78°F) and an average of 27°C (81°F), while August has comparable temperatures with a minimum of 25°C (77°F) and an average of 27°C (80°F). However, December is significantly wetter, receiving 339 mm (13.3 in) of precipitation over 28 days, compared to August's 191 mm (7.5 in) across just 18 days. Additionally, December's humidity averages 78%, while August sees a higher humidity level of 89%. This suggests that while temperatures remain consistent, December tends to be more humid and rainy than August. For more details, you can check Rabaul weather in August.
December and September bring similar warm temperatures, with both months averaging around 27°C (81°F). However, December tends to be slightly warmer with maximum temperatures reaching up to 30°C (86°F) compared to September's max of 29°C (85°F). Precipitation differs notably, as December experiences significantly more rainfall at 339 mm (13.3 in) over 28 days, while September receives just 178 mm (7.0 in) over 19 days. Additionally, humidity is higher in September at 88% versus 78% in December. For more detailed information on September weather in Rabaul, you can visit Rabaul weather in September.
When comparing the weather in December and October, both months exhibit similar temperature ranges, with minimums around 25°C (77-78°F), average temperatures of 27°C (81°F), and maximums reaching 30°C (86°F). However, December is notably wetter, receiving 339 mm (13.3 in) of precipitation over 28 days, compared to October's 171 mm (6.7 in) over 22 days. Additionally, humidity levels are higher in October at 85%, while December sees slightly reduced humidity at 78%. For more detailed insights into October weather, you can check Rabaul weather in October.
In comparing the weather conditions of December and November, it's clear that the temperatures remain quite similar, with both months experiencing a minimum of 25°C (78°F), an average of 27°C (81°F), and a maximum of 30°C (86°F). However, December sees a significant increase in precipitation, with 339 mm (13.3 in) of rain falling over 28 days, compared to November's 227 mm (8.9 in) over 24 days. Humidity is also slightly lower in December at 78%, while November boasts a higher humidity level of 81%. These differences highlight that while the temperatures are consistent, December is notably wetter than November. For more detailed information, you can check Rabaul weather in November.
In December, Rabaul experiences a notable shift in its weather patterns, characterized by higher humidity levels and frequent rainfall that sets it apart from other months. With an average temperature hovering around a warm 27°C, the days are often accompanied by an abundance of precipitation, making this a particularly wet period with nearly every day seeing some rainfall. This increased moisture not only enhances the lush, vibrant greenery of the region but also creates a unique atmosphere that captivates visitors. For a deeper understanding of Rabaul's weather intricacies and how they vary throughout the year, explore the detailed insights on Rabaul Climate.