Port Moresby weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Good
Best time to visit: June – August
What is the weather like in Port Moresby in July?
In July, Port Moresby is hot: daytime highs average 28 °C, and even at night it stays warm at around 22 °C. The sea averages 25.9 °C – pleasant for swimming. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 52 mm in total. The air is often humid and muggy. All in all, July is a good month for a holiday in Port Moresby.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 11 h 37 min06:29 – 18:06
- UV index
- 9 · very highclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 18 km/haverage daily peakAll months
- Cloud cover
- 70 %on averageAll months
- Hot days
- 3 days30 °C or moreAll months
- Time zone
- UTC+10Pacific/Port_Moresby
How the score comes together
- Temperatureweight 50 %85 %
- Sunshineweight 20 %48 %
- Few rainy daysweight 30 %60 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in July
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Port Moresby in July: quick answers
Is Port Moresby hot in July?
Yes. In July, Port Moresby is hot: daytime highs average 28 °C and nights stay around 22 °C. On about 3 days the thermometer climbs to 30 °C or more.
Can you swim in Port Moresby in July?
Yes. In July the sea averages 25.9 °C – pleasant for swimming.
Does it rain much in Port Moresby in July?
Rain is frequent, with about 10 rainy days and 52 mm in total.
Port Moresby month by month
The whole year in Port MoresbyAll destinations: Papua New GuineaWhere to go in JulySea temperature in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences