Last updated: August 31, 2025
August in Rabaul, Papua New Guinea, offers a tropical climate characterized by warm temperatures and significant rainfall. The maximum temperature hovers around 29°C (85°F), with an average of 27°C (80°F) and a comfortable minimum of 25°C (77°F). This time of year sees high humidity levels at 89%, making the air feel quite tropical. With 191 mm (7.5 in) of precipitation spread across 18 days, visitors should be prepared for frequent rain showers. Overall, August presents a vibrant, lush environment that's ideal for exploring Rabaul’s natural beauty, despite the occasional downpour.
In August, Rabaul, Papua New Guinea, experiences a delightful consistency in its tropical climate, with minimum temperatures hovering around 25°C (77°F). The average temperature settles at a comfortable 27°C (80°F), ensuring warm days and mild nights. While the maximum temperature dips slightly to 29°C (85°F), it remains in line with the region's charming warmth experienced throughout the year. This month mirrors the trends seen in July, reflecting a pattern of stable and inviting temperatures that make Rabaul an ideal retreat for those seeking a tropical escape. The slight variations in temperature offer a unique opportunity for visitors to enjoy the vivid beauty of this coastal paradise without the oppressive heat.
In August, Rabaul experiences moderate precipitation, with an average of 191 mm (7.5 in) of rain spread across 18 days. This marks a slight dip from the heavier downpours typical of the preceding months, as March see the peak rainfall at 407 mm (16.0 in). Following the mid-year lull in June, where rainfall was at its lowest (119 mm or 4.7 in), the return to rainfall in August signals the onset of wetter conditions, indicating a gradual build-up towards the more torrential months ahead in November and December. This trend illustrates a consistent pattern of increased moisture that characterizes Rabaul’s tropical climate, with precipitation peaking towards the year's end.
In August, Rabaul, Papua New Guinea, experiences a peak in humidity, reaching a notable 89%. This rise corresponds with the culmination of a trend that began in the preceding months, where humidity levels have steadily increased from July's already high reading of 86%. The summer months typically bring higher moisture levels, as seen in June and July, which both contribute to a sense of tropical closeness. Following August, humidity remains relatively high, tapering slightly in September to 88%, indicating a continuation of the warm, humid climate characteristic of this region. This pattern illustrates Rabaul's lush, tropical environment, sustained by high humidity levels throughout the year.
In August, Rabaul experiences a UV Index of 13, marking the beginning of a slight transition in the UV intensity after the peak months earlier in the year. Although still classified under the extreme exposure category, this index indicates a minor decrease compared to the higher figures seen from January to April. The consistent 10-minute burn time serves as a stark reminder of the region's potent sun, urging residents and visitors to take sun protection seriously. As the year progresses, a noticeable fluctuation in UV levels can be observed, with a gradual decline leading into the cooler months. For those planning outdoor activities, it’s crucial to keep this data in mind and visit Rabaul UV Index for more insights.
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In August, Rabaul, Papua New Guinea, basks in a delightful 273 hours of sunshine, making it one of the brightest months of the year. This surge in sunlight marks a peak in the annual trend, following steady growth from January's 225 hours. As the year progresses, the sunshine hours show an upward trajectory, particularly notable from June onward, where clear skies prevail for 265 hours. This sun-kissed month not only enhances the picturesque scenery of Rabaul but also makes it a perfect time for outdoor adventures and cultural explorations. As summer transitions toward its peak, August promises an invitational glow that invites both locals and travelers to revel in the warmth and beauty of this captivating tropical paradise.
In Rabaul, Papua New Guinea, August brings a notable increase in the likelihood of sunny weather, with a 38% chance of sunshine that month. This trend marks a welcome shift from the preceding months, as the summer season approaches its peak. Compared to the low percentages seen in February and March, as well as the moderate conditions in the earlier part of the year, August stands out as one of the better months for sun seekers. The chance of sunny days continues to rise into October, reaching 41%, suggesting a promising shift in weather patterns as the region gears up for drier days. Overall, August is an excellent time for those looking to enjoy the warmer, sunnier side of Rabaul’s tropical climate.
In Rabaul, Papua New Guinea, August marks a continuation of the steady daylight pattern that characterizes this tropical region. Throughout the year, daylight remains relatively consistent, with January through March basking in 12 hours of sunlight. However, as the year progresses into April, the daylight begins to taper slightly, stabilizing at 11 hours from April through August. This slight reduction reflects the region's subtle seasonal shifts, fostering a rhythm of day and night that contributes to the area's unique climate and vibrant ecosystem. As September approaches, daylight returns to the robust 12-hour mark, signaling the onset of a new cycle as the days gradually lengthen once again.
In August, Rabaul, Papua New Guinea, experiences a notable increase in wind speed, with an average of 3.9 m/s (9 mph), making it one of the breeziest months of the year. This uptick in wind reflects a broader trend towards stronger breezes that begin in mid-year, as July and September also show elevated averages of 3.2 m/s (7 mph) and 4.1 m/s (9 mph), respectively. Following a gradual rise from February's gentle 3.4 m/s (8 mph), the winds peak in September before tapering off again into the calmer months of October and November. This seasonal pattern not only invigorates the coastal atmosphere but also enhances the region’s allure for adventurers and nature lovers seeking to experience the vibrant energy of this tropical paradise.
Weather in Rabaul varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Rabaul, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in August and January, both months exhibit relatively warm temperatures, with January slightly warmer overall. In August, the temperature ranges from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), while January sees temperatures ranging from 25°C (78°F) to 30°C (86°F). Precipitation is prevalent in both months, with August receiving 191 mm (7.5 in) over 18 days of rain, and January experiencing slightly more at 216 mm (8.5 in) over 21 days. Interestingly, August has higher humidity at 89%, compared to January's 78%, suggesting that while both months are moist, August might feel more oppressive due to the increased humidity levels. For more detailed information, you can check Rabaul weather in January.
In comparing the weather between August and February, both months exhibit warm temperatures with averages around 27°C (80°F). However, February tends to be slightly warmer, often reaching a maximum of 30°C (86°F) compared to August's peak of 29°C (85°F). Precipitation is significantly higher in February, with 299 mm (11.8 in) falling over 26 days, while August sees 191 mm (7.5 in) on 18 days. Additionally, February boasts a lower humidity level at 77%, compared to August's high of 89%, creating a more comfortable atmosphere despite the increased rainfall. For more detailed information, you can check out Rabaul weather in February.
When comparing the weather in August and March, both months exhibit warm temperatures, with minimums around 25°C and average highs reaching close to 30°C. However, March tends to be slightly warmer, with average maximum temperatures at 30°C (86°F) compared to August's 29°C (85°F). March also experiences significantly higher precipitation, totaling 407 mm (16.0 in) over 28 days, while August has a milder 191 mm (7.5 in) over 18 days. The humidity is comparatively higher in August at 89% versus 78% in March, contributing to a more tropical feel during that month. For more detailed information, you can check Rabaul weather in March.
In comparing the weather between August and April, both months share a similar average temperature of around 27°C (80°F), but April experiences slightly higher maximum temperatures, reaching up to 30°C (86°F). However, April is also characterized by significantly higher rainfall, with 336 mm (13.2 in) over 27 days compared to August's 191 mm (7.5 in) over just 18 days. Additionally, the humidity in August is notably higher at 89%, while April remains more comfortable at 77%. For a more detailed insight into April weather, you can visit Rabaul weather in April.
In comparing the weather between August and May, both months feature similar average temperatures, with August seeing a minimum of 25°C (77°F) and maximum of 29°C (85°F), while May has slightly higher maximum temperatures peaking at 30°C (85°F). Precipitation levels are notable in both months, with August experiencing 191 mm (7.5 in) of rainfall over 18 days, compared to May's 204 mm (8.0 in) over 23 days. However, August is characterized by a much higher humidity level of 89%, while May maintains a more moderate humidity at 77%. For a detailed look at May's weather specifics, you can check Rabaul weather in May.
In comparing the weather between August and June, both months share similar temperature ranges, with minimums of 25°C (77°F), average highs around 29°C (85°F), and averages of 27°C (80°F) to 27°C (81°F). However, August tends to be wetter, receiving 191 mm (7.5 in) of precipitation over 18 days, compared to June's 119 mm (4.7 in) over 19 days. Additionally, humidity levels are slightly higher in August at 89%, compared to June's 82%. For further details on June weather, you can visit Rabaul weather in June.
In comparing the weather of August and July, both months display similar temperature ranges, with minimums at 25°C (77°F) and average temperatures around 27°C (80°F). However, August tends to be slightly cooler, featuring a maximum temperature of 29°C (85°F), compared to July's peak of 30°C (85°F). Humidity levels are slightly higher in August at 89%, while July maintains a humidity of 86%. In terms of precipitation, August receives more rainfall, totaling 191 mm (7.5 in) over 18 days, whereas July sees 179 mm (7.1 in) over 20 days. For more detailed information, check out Rabaul weather in July.
In comparing the weather of August and September, we find that both months share similar temperature ranges, with minimums at 25°C (77°F), averages at 27°C (80°F), and maximums reaching 29°C (85°F). However, September experiences slightly less precipitation, with 178 mm (7.0 in) compared to August's 191 mm (7.5 in), although it has one more rainy day, totaling 19 days of rain. Humidity levels are also quite close, with August at 89% and September at 88%, indicating similarly muggy conditions. For more detailed information on September's weather, you can visit Rabaul weather in September.
August and October both feature warm temperatures in Rabaul, with August having a minimum of 25°C (77°F), an average of 27°C (80°F), and a maximum of 29°C (85°F). October's temperatures are slightly higher, with a similar minimum of 25°C (77°F), an average of 27°C (81°F), and a maximum of 30°C (86°F). While both months experience considerable precipitation, August sees more rain, totaling 191 mm (7.5 in) over 18 days, compared to October's 171 mm (6.7 in) over 22 days. Humidity levels also remain high, but October is slightly lower at 85% compared to August’s 89%. For more details, check out Rabaul weather in October.
In comparing the weather between August and November, both months exhibit a warm climate, with average temperatures hovering around 27°C (81°F). However, November tends to be slightly warmer, with maximum temperatures reaching up to 30°C (86°F), compared to August's peak of 29°C (85°F). Precipitation is more pronounced in November, with 227 mm (8.9 in) falling over 24 days, whereas August sees 191 mm (7.5 in) over 18 days. Additionally, humidity levels are moderately lower in November at 81%, compared to August's higher humidity of 89%. For further details, you can check Rabaul weather in November.
In comparing the weather between August and December, both months feature a similar temperature range, with average temperatures consistently around 27°C (81°F), but December tends to be slightly warmer with a maximum temperature of 30°C (86°F). August experiences high humidity levels at 89%, while December’s humidity is lower at 78%. Precipitation also significantly differs; August sees 191 mm (7.5 inches) over 18 days, whereas December receives a much heftier 339 mm (13.3 inches) across 28 days. This indicates that December is not only wetter but also has a more prolonged chance of rain, making it a notably humid and stormier month. For more details, you can check Rabaul weather in December.
In August, Rabaul experiences a warm and humid climate, with temperatures typically ranging from 25°C to 29°C, making it significantly warmer than the cooler months preceding it. The high humidity levels at 89% contribute to a lush environment, while the 191 mm of rainfall over 18 days indicates that August tends to be wetter compared to the drier, sunnier months. Although the weather may seem challenging with frequent showers, this is a vital time for the region’s flora. For those intrigued by Rabaul's unique weather patterns, more detailed insights can be found at Rabaul Climate.