January could be a good time to visit Port Moresby, as the weather is generally fine. The average high temperature is around +30°C, and there are typically 0 sunny days in January. However, expect about 27 rainy days, and total monthly rainfall of approximately 227 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+30°C
Avg. max. temperature
+21°C
Min.
+34°C
Max.
227 mm
Total precipitation
82%
Avg. humidity
2 m/s
Avg. wind
0 ☀️
Sunny Days
3 ⛅️
Cloudy
27 🌦
Rainy
Our opinion: Port Moresby has OK weather in January.
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Average temperature in Port Moresby in January
Here are the expected maximum, average and minimum temperatures in Port Moresby for January based on the historical data.
Last Year
Historical Data
The expected average maximum temperature in January is +31°C with a maximum of +34°C and a minimum of +23°C.
The average maximum temperature goes up 9% by the end of the month, compared with the beginning of the month, from +31°C to +32°C.
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 +30°C to +30°C. The minimum temperature also goes up from +24°C to +24°C.
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
Port Moresby weather looks like this, on average, in January and the surrounding months.
December
January
February
Avg. temperature
+30°C
+30°C
+30°C
Min. temperature
+20°C
+21°C
+21°C
Max. temperature
+34°C
+34°C
+34°C
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 +30°C 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 speed in Port Moresby in January based on historical data.
Last Year
Historical Data
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
Amount of rainfall in mm during January in Port Moresby based on historical data.
Last Year
Historical Data
Total precipitation in January is about 139 mm, with a 58% chance of rain on a typical day. The maximum amount of rainfall per day is around 34 mm, which is moderate rain.January is a pretty wet month with over 18 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
January is one of the rainiest months in Port Moresby, here is a comparison with other months, total mm:
Port Moresby wettest month is March, where a typical day has a 90% chance of precipitation and 277 mm of rainfall per day. July, on the other hand, is the driest month with a mere 39% chance of precipitation and 31 mm of rainfall per day.
How was the weather last January in Port Moresby?
This is the weather in Port Moresby in January 2024:
1 January
☁️
+31°C
2 January
🌫️
+34°C
3 January
🌫️
+33°C
4 January
☁️
+30°C
5 January
🌫️
+34°C
6 January
☁️
+33°C
7 January
☁️
+33°C
8 January
🌫️
+32°C
9 January
🌫️
+33°C
10 January
☁️
+29°C
11 January
🌫️
+31°C
12 January
🌧️
+30°C
13 January
🌧️
+29°C
14 January
☁️
+31°C
15 January
☁️
+31°C
16 January
🌧️
+29°C
17 January
☀️
+32°C
18 January
☀️
+32°C
19 January
🌧️
+30°C
20 January
🌧️
+32°C
21 January
☁️
+31°C
22 January
🌫️
+30°C
23 January
🌫️
+31°C
24 January
🌫️
+30°C
25 January
🌧️
+31°C
26 January
🌧️
+29°C
27 January
☁️
+31°C
28 January
🌧️
+30°C
29 January
☁️
+31°C
30 January
🌧️
+31°C
31 January
🌧️
+32°C
In January 2024 Port Moresby had 2 sunny days, 10 cloudy days, and 10 rainy days. The average maximum temperature was +31°C, with an absolute maximum of +34°C and a minimum of +29°C. The average humidity was 81%, with a maximum of 100% and a minimum of 38%. The average wind speed was 3 m/s, with a maximum of 12 m/s and a minimum of 0 m/s.
Are you planning a trip in January?
Climate Change over Years
This is how Port Moresby climate have been changing during last 43 years period.
The climate in Port Moresby in January has not changed much over the last 43 years.
The average temperature was the lowest in 1982 (+28°C) and the highest in 2024 (+30°C). The driest year was 1997 with only 892 mm of rainfall, and the wettest year was 2006 with 1873 mm.
FAQ
Frequently asked questions about the weather in Port Moresby in January:
Is January a good time to visit Port Moresby?
It’s always a good time to visit Port Moresby, but the weather is changeable in January, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Port Moresby in January?
January is warm in Port Moresby. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Is Port Moresby rainy in January?
Port Moresby is often rainy in January. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Port Moresby in January?
Usually, it’s not very sunny in Port Moresby in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
Other cities in Papua New Guinea
Check out the weather for other cities in Papua New Guinea.
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.
