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When is the best time to visit Port Moresby?
In general the best time to visit Port Moresby is probably December, when the weather is usually great. The hottest months are February, November, December, while the coldest months are June, July, August.
The best time to visit may differ depending on what you are looking for:
- The best time for a sun tanning holiday is February, November, December. Average maximum temperatures are up to +86°F in December and it has 0 sunny days on average.
- In general, it’s pleasant to walk and do outdoor activities during January - December.
- If you want to avoid wet weather, then your choice is March, April, May with the lowest chance of rain.
Average weather in Port Moresby in different months
This is the average weather in Port Moresby for each month based on historic data:
June, July, August, September usually has good weather. Average maximum temperature reaches +82°F during June.
In January, February, March, April, May, October, November, December the weather is average. Expect around 190 rainy days, and the precipitation amounts to approximately 277 mm in March.
Climate in Port Moresby
Here is the detailed breakdown of the climate in Port Moresby for each month:
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum Temperature | |||||||||||
| +93°F | +93°F | +91°F | +90°F | +91°F | +88°F | +88°F | +88°F | +88°F | +90°F | +90°F | +93°F |
| Average Maximum Temperature | |||||||||||
| +86°F | +86°F | +84°F | +84°F | +84°F | +82°F | +82°F | +82°F | +82°F | +84°F | +86°F | +86°F |
| Minimum Temperature | |||||||||||
| +70°F | +70°F | +68°F | +68°F | +66°F | +64°F | +64°F | +63°F | +64°F | +66°F | +66°F | +68°F |
| Avg. water temperature | |||||||||||
| - | - | - | - | - | - | - | - | - | - | - | - |
| Humidity, % | |||||||||||
| 82 | 82 | 84 | 85 | 84 | 83 | 81 | 80 | 80 | 81 | 81 | 82 |
| Rain, mm | |||||||||||
| 227 | 197 | 277 | 169 | 88 | 45 | 31 | 31 | 42 | 67 | 96 | 164 |
| Snow, mm | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Average wind speed, m/s | |||||||||||
| 2 | 2 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 2 | 2 | 1 |
| Sunny Days | |||||||||||
| 0 | 0 | 0 | 1 | 2 | 2 | 1 | 2 | 2 | 1 | 1 | 0 |
| Cloud Days | |||||||||||
| 3 | 3 | 2 | 4 | 9 | 12 | 17 | 17 | 13 | 11 | 7 | 3 |
| Rainy Days | |||||||||||
| 27 | 25 | 28 | 25 | 20 | 16 | 12 | 12 | 14 | 18 | 21 | 26 |
| Snowy Days | |||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Average Temperature
Here are the average maximum and minimum temperatures in Port Moresby during the whole year:
The hottest month in Port Moresby is December with average maximum temperature going up to +86°F. The coldest month is June with the lowest temperatures of +73°F.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Port Moresby looks throughout the year, in %:
The most humid month in Port Moresby is April with average humidity going up to 85%. The least humid month is August with an average humidity of 80%.
Rain
Amount of rainfall in mm. in Port Moresby during the whole year based on historical data:
The sunniest and driest month is May with approximately 2 sunny days and a total precipitation of around 88 mm. The rainiest and wettest month is March with approximately 28 rainy days and 277 mm of total precipitation.
FAQ
Frequently asked questions about the weather in Port Moresby:
What is the hottest month in Port Moresby?
The hottest month in Port Moresby is December with average maximum temperature of +86°F.
What is the coldest month in Port Moresby?
The coldest month in Port Moresby is June with minimum temperatures of +73°F.
Is Port Moresby worth visiting in winter?
Winter in Port Moresby could be a good time to visit, as the weather is generally ok.
When does it rain the least in Port Moresby?
if you're looking to visit Port Moresby when it rains the least, you should plan your trip for March, January, February. During this time, rainfall is rare with the driest month being July with only 31 mm of rain.
Other cities in Papua New Guinea
Check out the weather for 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.
