Last updated: August 31, 2025
March in Port Moresby, Papua New Guinea, is characterized by warm temperatures, with daily maxima reaching up to 32°C (89°F) and an average of 27°C (80°F), while the nights remain comfortably warm at a minimum of 23°C (74°F). This month also sees significant precipitation, with 307 mm (12.1 in) of rain falling across 28 days, resulting in a remarkably humid environment with an average humidity level of 84%. Visitors should prepare for a tropical climate, blending heat and moisture, making March a vibrant yet wet time to experience this bustling capital.
In March, Port Moresby experiences a delightful tropical climate, characterized by steady warmth and comfortable humidity. The minimum temperature hovers consistently at 23°C (74°F), while the average cools slightly to 27°C (80°F), and the maximum temperature dips just below the previous months to around 32°C (89°F). This marks a transitional period as the city prepares for even cooler months ahead, with temperatures gradually decreasing into April. As March draws to a close, residents and visitors alike can enjoy this warm weather before the subtler maritime breezes of autumn begin to emerge.
March in Port Moresby marks a significant uptick in precipitation, receiving 307 mm (12.1 in) of rain over 28 days, making it one of the wettest months of the year. This increase follows the already substantial rainfall in January and February, which recorded 276 mm (10.9 in) and 200 mm (7.9 in), respectively. As the wet season progresses, the intensity and frequency of rain seem to rise, creating a lush, vibrant environment. The contrast becomes stark in the following months, where April sees a drop to 215 mm (8.5 in), and May plummets to just 95 mm (3.8 in). This trend suggests that March is a crucial month for rainfall, serving as a peak before the drier months ahead.
In March, Port Moresby experiences a notable humidity level of 84%, consistent with February's humidity, which underscores the city's tropical climate. This figure marks the beginning of a gradual increase that continues into April, reaching 86%. As the months progress into May and June, humidity peaks at 88%, highlighting the pronounced stickiness typical of the mid-year period. Interestingly, this trend shifts towards the latter half of the year, where September breaks the pattern with a drop to 80%, offering a slight respite before levels stabilize again around 81% in October and November. Overall, March serves as a transitional point, paving the way for the more humid months ahead while maintaining a steady backdrop of tropical warmth.
March in Port Moresby continues the trend of extreme sun exposure, maintaining a UV Index of 16. This high level of UV radiation mirrors the previous month, underscoring the importance of sun safety as the burn time remains a mere 10 minutes. As the region transitions into the cooler months, April will still deliver a UV Index of 15, suggesting that the need for protective measures is crucial even as summer starts to fade. To learn more about the UV Index and how to protect yourself in Port Moresby, visit Port Moresby UV Index.
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March in Port Moresby, Papua New Guinea, continues the trend of abundant sunshine, with 246 hours of bright, warm rays illuminating the city. Following a slightly more radiant February with 251 hours, March showcases a slight dip but still maintains a robust display of sunlight, setting the stage for the significantly sunnier months ahead. As the year progresses, the city basks in even more luminosity, with May and November promising the highest totals of 286 and 291 hours, respectively. This trend highlights Port Moresby's enviable climate, making it a haven for sun seekers and outdoor enthusiasts year-round.
March in Port Moresby, Papua New Guinea, marks a gradual shift towards sunnier days, with a 10% chance of sunshine. While this is a notable increase from the cloudier months of January and February, it remains a precursor to the drier and brighter conditions that emerge in the subsequent months, peaking with a remarkable 43% chance in November. As the wet season wanes, March hints at the approaching dry season, where the likelihood of sun steadily climbs, making it a time of promise for those seeking brighter skies. This upward trend continues dramatically towards mid-year, with June and July boasting chances of sun at 34% and 35%, respectively, suggesting that even in March, the sun is beginning to reclaim its dominance.
In March, Port Moresby basks in a consistent 12 hours of daylight, mirroring the lengths of January and February. This steady illumination reflects the region's tropical climate, where daylight remains a relatively constant companion throughout the year. As the month transitions into April, daylight begins to dwindle slightly to 11 hours, signaling the onset of the cooler months ahead. While some regions may experience significant fluctuations in daylight, Port Moresby's gradual shift emphasizes its stable equatorial location, allowing residents to enjoy an almost uniform daily rhythm as they move toward the mid-year. With this predictable pattern, the city maintains a vibrant lifestyle, making the most of each sunlit hour.
March in Port Moresby brings gentle breezes, with an average wind speed of 2.5 m/s (6 mph), slightly tapering from February's mild gusts. This tranquil air reflects a broader trend seen in the early months of the year, where winds gradually diminish from January's 2.6 m/s. As the year progresses into the transitional months of April and May, winds pick up again, hinting at a shift in the climate as the region heads toward its brisker dry season. The contrast between the gentle March winds and the upcoming stronger gusts of late spring showcases the dynamic nature of Port Moresby's weather, inviting both serenity and anticipation for the months ahead.
Weather in Port Moresby varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Port Moresby, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in January and March, both months exhibit relatively warm temperatures with January experiencing slightly higher maximum temperatures, reaching up to 33°C (91°F) compared to March's max of 32°C (89°F). The average temperatures are quite similar, hovering around 27°C (81°F) in January and 27°C (80°F) in March. However, March sees a higher level of precipitation, with 307 mm (12.1 in) over 28 days, compared to January's 276 mm (10.9 in) across 22 days. The humidity remains quite consistent, with March at 84% and January at 83%. For more detailed insights, you can check out Port Moresby weather in January.
In comparing the weather between February and March, both months exhibit similar temperature ranges, with March showing a slightly lower maximum temperature of 32°C (89°F), compared to February's 33°C (91°F). Interestingly, March experiences significantly more precipitation, totaling 307 mm (12.1 in) over 28 days, while February recorded 200 mm (7.9 in) over 21 days. Despite these differences in rainfall, humidity remains consistent at 84% for both months. For a detailed look at February's weather specifics, visit Port Moresby weather in February.
March and April present a transition in weather patterns, though they remain relatively similar in temperature. In March, temperatures range from a minimum of 23°C (74°F) to a maximum of 32°C (89°F), with an average of 27°C (80°F). This month is also marked by significant rainfall, totaling 307 mm (12.1 in) over 28 days, and a humidity level of 84%. In contrast, April sees slightly lower temperatures, with a minimum of 22°C (72°F), an average of 26°C (80°F), and a maximum of 31°C (88°F). Precipitation decreases to 215 mm (8.5 in) over 24 days, while humidity nudges up slightly to 86%. For more detailed insights on the weather during this month, check out Port Moresby weather in April.
In comparing the weather between March and May, March tends to be slightly warmer, with an average temperature of 27°C (80°F) compared to May's 26°C (80°F). However, March is significantly wetter, receiving 307 mm (12.1 in) of rain over 28 days, while May experiences only 95 mm (3.8 in) across 13 days. Additionally, humidity levels are marginally higher in May at 88% compared to March's 84%. For more details on May weather specifics, you can read further here: Port Moresby weather in May.
In March, the weather tends to be hotter and more humid, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 32°C (89°F) and an average of 27°C (80°F). This month is characterized by substantial rainfall, receiving 307 mm (12.1 in) over 28 days, resulting in a humidity level of 84%. In contrast, June experiences slightly cooler temperatures, with a minimum of 21°C (70°F), an average of 26°C (79°F), and a maximum of 30°C (87°F). Precipitation drops significantly to 63 mm (2.5 in) spread over just 9 days, and humidity increases marginally to 88%. For a more detailed overview, check out Port Moresby weather in June.
March and July exhibit notable differences in weather patterns. In March, temperatures range from a minimum of 23°C (74°F) to a maximum of 32°C (89°F), with an average temperature of 27°C (80°F). This month experiences significant rainfall, with 307 mm (12.1 in) falling over 28 days and a humidity level of 84%. In contrast, July sees a cooler climate, with minimum temperatures dropping to 20°C (69°F) and maximum temperatures reaching 30°C (86°F), averaging 25°C (78°F). Rainfall is considerably lighter, totaling just 45 mm (1.8 in) over 8 days, and humidity remains high at 87%. For more details on July weather, you can explore Port Moresby weather in July.
March and August offer distinct weather experiences. In March, temperatures are generally warmer, with a minimum of 23°C (74°F) rising to a maximum of 32°C (89°F) and an average of 27°C (80°F). This month also sees significant rainfall, averaging 307 mm (12.1 in) over 28 days, resulting in high humidity levels around 84%. In contrast, August features slightly cooler temperatures, with a minimum of 21°C (69°F) and a maximum of 30°C (86°F), averaging 25°C (78°F). Rainfall is significantly less in August, with only 58 mm (2.3 in) across 10 days and humidity remaining relatively high at 85%. For more detailed weather patterns, you can check Port Moresby weather in August.
March and September exhibit notable differences in weather patterns. In March, temperatures are generally warmer, with a minimum of 23°C (74°F), an average of 27°C (80°F), and a maximum of 32°C (89°F). This month also sees significantly higher rainfall, totaling 307 mm (12.1 in) over 28 days, contributing to a high humidity level of 84%. In contrast, September experiences cooler temperatures, with a minimum of 19°C (66°F), an average of 25°C (78°F), and a maximum of 30°C (87°F). Additionally, rainfall is markedly lower at 81 mm (3.2 in) across just 11 days, and humidity is slightly reduced at 80%. For a more in-depth look at September's weather, you can visit Port Moresby weather in September.
In comparing the weather between March and October, we can see some notable differences. March experiences slightly higher temperatures, with a minimum of 23°C (74°F) and a maximum of 32°C (89°F), while October has a lower temperature range, with a minimum of 21°C (70°F) and a maximum of 31°C (88°F). Precipitation is significantly higher in March, with 307 mm (12.1 in) spread over 28 days, compared to October's 119 mm (4.7 in) over 17 days. Humidity levels are also comparable, with March at 84% and October at 81%. This reflects a transition from the wetter season in March to a drier climate by October. For more details, check out Port Moresby weather in October.
March and November present distinct weather patterns, though both months share an average temperature of 27°C (80°F). March typically experiences higher humidity at 84% and significantly more rainfall, with 307 mm (12.1 in) over 28 days, creating a wetter atmosphere. In contrast, November features slightly cooler minimum temperatures at 21°C (69°F) and a reduced precipitation level of 130 mm (5.1 in) across 17 days, leading to a drier feel. For more detailed information, you can check Port Moresby weather in November.
In March, the weather is characterized by slightly higher humidity at 84% and a greater amount of precipitation, totaling 307 mm over 28 days. The temperatures range from a minimum of 23°C (74°F) to a maximum of 32°C (89°F), providing warm and steamy conditions. In contrast, December offers similar temperature ranges, with a minimum of 23°C (73°F) and a maximum of 33°C (93°F), but the precipitation is significantly lower at 169 mm across 22 days. Overall, December boasts slightly drier conditions and comparable warmth, making it a more favorable time for outdoor activities. For more details, check out Port Moresby weather in December.
March in Port Moresby offers a unique climatic experience, characterized by noticeably warmer temperatures and a high level of humidity. With frequent rains across nearly every day of the month, this time of year stands in contrast to the drier months, making the air feel more tropical and lush. The significant precipitation transforms the environment, adding vibrancy to the landscape while also influencing daily activities. For those planning to visit, understanding the nuances of March weather is essential. Discover more about the overall climate in the region at Port Moresby Climate.