Weather in Port Moresby

• All Year
• Spring
• Summer
• Autumn
• Winter

Yearly weather

Calculations are based on the last 8 years of historical weather data.

Temperatures

• Port Moresby maintains consistently comfortable temperatures throughout the year, with monthly averages ranging from 22.7°C to 30.2°C

• The minimum temperatures fluctuate slightly, with the lowest being 22.7°C in August and the highest being 24.4°C in January and December

• December sees the highest maximum temperature, reaching 30.2°C, which may cause slight discomfort

• Overall, the temperature range stays within a relatively narrow band.

Conditions

• In Port Moresby, there is a noticeable increase in sun hours from the beginning of the year, peaking in November with 5.4 hours of sunlight.

• Conversely, precipitation levels tend to decrease as the year progresses, with the lowest recorded in July at just 1.33mm, leading to drier conditions during the mid-year months.

Astronomy

• In Port Moresby, the earliest sunrise occurs in November at 5:40 AM, while the latest sunrise is at 6:27 AM in July, indicating a shift of nearly 47 minutes throughout the year.

• Sunset times vary from the earliest at 5:58 PM in May to the latest at 6:38 PM in January, showcasing a range of approximately 40 minutes.

• The shortest day is recorded in June with a length of 11 hours and 35 minutes, while the longest day is in December at 12 hours and 39 minutes, reflecting a day length variation of over an hour.

• Overall, Port Moresby experiences minimal fluctuations in day length compared to many latitudes, and its sunrise and sunset times are consistently early, characteristic of its equatorial location.