Port Moresby Weather in July
July in Port Moresby typically sees daytime highs of 29°C (84°F) and nighttime lows of 23°C (73°F). With the least rainfall of the year, it's a reliably dry month.
Rainfall in Port Moresby in July
This month is perfect for exploring, with the driest conditions of the year. Based on our climate data of the past 30 years, about 7 days of rain are anticipated, with 42 mm (1.7 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Port Moresby in July
The temperature in Port Moresby in July is perfect. Daytime highs reach 29°C (84°F), with nights dropping to 23°C (73°F). This kind of day-to-night contrast is typical for this time of year. Nights are mild at around 23°C (73°F), which is comfortable for most people.
Sunshine in Port Moresby in July
The city usually sees around 205 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Average water temperature in July
With water at 26°C (79°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.If you're a fan of comfortable temperatures and drier conditions, July is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Papua New Guinea, check out our Port Moresby's climate page.
Port Moresby Temperature in July
Min Temperature
23°C (73°F)
Max Temperature
29°C (84°F)
Water Temperature
26°C (79°F)
Chance of Rain
24%
Precipitation
42 mm (1.7 in)
Rainy days
7 days
Humidity
77%
Sunshine
205 hours
Percentage Sunshine
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Port Moresby typically stay consistent throughout July, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in July
Historical weather for Port Moresby in July
Browse day-by-day weather records for Port Moresby spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Port Moresby historical weather extremes in July
Based on 19 years of weather observations in Port Moresby between 2006 and 2025, these are the recorded extremes.
- The hottest July day on record in Port Moresby reached 38°C (100°F) (July 5, 2023).
- Port Moresby experienced its chilliest July day on July 6, 2014, reaching only 24°C (75°F).
- The coldest night in July in Port Moresby was on July 2, 2012, with a minimum of 16°C (61°F).
Best Places in Papua New Guinea in July
Find out more about the weather in Papua New Guinea and which places have the best travel conditions in this month. See all of Papua New Guinea in July →
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What to Wear in Port Moresby in July
Warm weather calls for comfortable, breathable clothing in July. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. Expect water temperatures of around 26°C (79°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Port Moresby in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Papua New Guinea, check out our Port Moresby's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Port Moresby climate overview or explore weather in Papua New Guinea.
