Weather in Port Moresby in January 2026
Average weather
Average temperature in Port Moresby in January
The temperature in January is +88°F on average, with a range between a maximum of +93°F during the day and a minimum of +73°F at night.
The average maximum temperature goes up 9% by the end of the month, compared with the beginning of the month, from +88°F to +90°F.
Is Port Moresby warm or cold in January?
Port Moresby is typically warm in January.
Maximum temperatures go up compared to the previous month from +86°F to +86°F. The minimum temperature also goes up from +75°F to +75°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how January is compared to other months in Port Moresby:
Climate in Port Moresby in January
| December | January | February | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +86°F | +86°F | +86°F | ||||
| Min. temperature | ||||||
| +68°F | +70°F | +70°F | ||||
| Max. temperature | ||||||
| +93°F | +93°F | +93°F | ||||
| Rainfall | ||||||
| 164 mm | 227 mm | 197 mm | ||||
| Wind | ||||||
| 1 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 82% | 82% | 82% | ||||
| Air pressure | ||||||
| 1007 HPa | 1007 HPa | 1007 HPa | ||||
| Sunny days | ||||||
| 0 | 0 | 0 | ||||
| Cloudy days | ||||||
| 3 | 3 | 3 | ||||
| Rainy days | ||||||
| 26 | 27 | 25 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
January weather is still as ok as in December. The temperature levels stay the same in the area of +86°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 164 mm to 227 mm. Humidity levels don’t change as the month goes on, averaging around 82%. Winds are stronger in comparison to December, going up from 1 m/s to 2 m/s on average. The amount of sunny days stay about the same, averaging 0 sunny days during the month.
February brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Port Moresby is gradually decreasing during January, going from 4 m/s to 3 m/s over the course of the month.
Rain
How was the weather last January in Port Moresby?
Climate Change Over the Years
The climate in Port Moresby in January 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 January a good time to visit Port Moresby?
Can you sunbathe in Port Moresby in January?
Is Port Moresby rainy in January?
Is it sunny in Port Moresby in January?
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.
