Weather in Port Moresby in June 2026
- June is usually the coldest month of the year in Port Moresby;
Average weather
Average temperature in Port Moresby in June
The temperature in June is +84°F on average, with a range between a maximum of +86°F during the day and a minimum of +72°F at night.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +84°F to +84°F.
Is Port Moresby warm or cold in June?
Port Moresby is typically warm in June.
Maximum temperatures go down compared to the previous month from +84°F to +82°F. The minimum temperature also goes down from +75°F to +73°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
June is the coldest month in Port Moresby, here is the comparison with other months:
Climate in Port Moresby in June
| May | June | July | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +84°F | +82°F | +82°F | ||||
| Min. temperature | ||||||
| +66°F | +64°F | +64°F | ||||
| Max. temperature | ||||||
| +91°F | +88°F | +88°F | ||||
| Rainfall | ||||||
| 88 mm | 45 mm | 31 mm | ||||
| Wind | ||||||
| 2 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 84% | 83% | 81% | ||||
| Air pressure | ||||||
| 1009 HPa | 1010 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 2 | 2 | 1 | ||||
| Cloudy days | ||||||
| 9 | 12 | 17 | ||||
| Rainy days | ||||||
| 20 | 16 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
June often has better weather than May. It’s getting colder in June. From +84°F in the day, the average maximum temperature lowers to +82°F. As June arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 88 mm to 45 mm. It feels drier, as humidity decreases from 84% to 83%. Winds are stronger in comparison to May, going up from 2 m/s to 3 m/s on average. The amount of sunny days stay about the same, averaging 2 sunny days during the month.
July brings much the same weather, it remains good.
Wind
The average wind speed is 4 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Port Moresby is gradually increasing during June, going from 4 m/s to 5 m/s over the course of the month.
Rain
How was the weather last June in Port Moresby?
Climate Change Over the Years
The climate in Port Moresby in June has not changed that much over the last 43 years.
The average temperature was the lowest in 1982 (+82°F) and the highest in 2024 (+86°F). The driest year was 1997 with only 892 mm of rainfall, and the wettest year was 2006 with 1873 mm.
FAQ
Is June a good time to visit Port Moresby?
Can you sunbathe in Port Moresby in June?
Is Port Moresby rainy in June?
Is it sunny in Port Moresby in June?
Other cities in Papua New Guinea
Monthly weather in Port Moresby
Source of the data
For this page, we’ve looked at the typical weather in Port Moresby, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
