Best time to go

Port Moresby in August 2027: weather, temperatures and activities

Do you want to visit Port Moresby in August 2027? Discover the usual weather at this time of year, average temperatures, the risk of rain, possible activities, and our opinion on whether August is a good month to travel to Port Moresby, Papua New Guinea.

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Is it worth visiting Port Moresby in August?

Check your ideal travel criteria and see if the month of August suits your plans to go to Port Moresby.
What matters most?
Port Moresby in August 2027: weather, temperatures and activities

Page summary

Port Moresby in August in summary
Favourable weather
Min 24°C Max 28°C 146 mm 8 day(s) 83% 36% 27°C UV 6 10.6 h/day
Best activities in August
Animal observationDiving and snorkelingNature and landscapesBoat trip and cruise
Practical guidelines
High crowding Low price 06:22 18:10
Hourly weather

Average weather in Port Moresby in August 2027

Favourable weather

The weather in Port Moresby in August 2027 is based on statistical data from previous years in August. This allows you to forecast the weather in August 2027. Check the hourly statistics (6:00, 9:00, 12:00, 15:00, 18:00, 21:00, 0:00 and 3:00), with the associated average temperature, for the whole month, and also, by navigating the tabs, for the beginning, middle and end of the month.

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Climate

Climate of Port Moresby in August

Temperatures, precipitation and monthly trends help to better understand the climate in Port Moresby in August.

Temperatures and rain in Port Moresby in August

Average daily weather

Temperatures and rain day by day in August.
Minimal Average Maximums Average rainfall

Monthly temperatures

The month of August is highlighted to compare it quickly with the rest of the year.
Minimal Average Maximums

Monthly precipitation

The bar for the month under study is highlighted.
Average rainfall

About the climate in Port Moresby in August

Seasonal normals

Seasonal normals of Port Moresby in August

Check the seasonal normals in Port Moresby in August and compare the weather with the previous month and the following month (or the months of your choice by selecting months in the form below): temperatures, wind, rain, humidity, climate rating...

Last updated: 12/01/2026
Reference period for normals: January 2009 - December 2025
Month analyzed
August
Weather data July August September
Outside temperature
Average temperature 25.9°C 25.8°C 26.5°C
Maximum temperature 28.2°C 28.1°C 28.8°C
Minimum temperature 23.7°C 23.5°C 24.2°C
Record maximum temperature 32.0°C
(2010)
32.0°C
(2010)
33.0°C
(2010)
Record low temperature 21.0°C
(2011)
19.0°C
(2015)
21.0°C
(2019)
Number of days at +30° 5 day(s)
(16%)
5 day(s)
(16%)
9 day(s)
(30%)
Number of days at +18° 31 day(s)
(100%)
31 day(s)
(100%)
30 day(s)
(100%)
Number of days below 0° 0 day(s)
(0%)
0 day(s)
(0%)
0 day(s)
(0%)
Sea temperature
Sea temperature (average) 26.0°C 25.5°C 25.8°C
Sea temperature (minimum) 25.1°C 24.4°C 24.6°C
Sea temperature (maximum) 27.2°C 27.0°C 27.0°C
Wind
Wind speed 23 km/h 22 km/h 22 km/h
Wind temperature 23.7°C 23.5°C 24.2°C
Precipitation (rain)
Precipitation 89.7 mm 146.0 mm 191.4 mm
Number of days with precipitation 16 day(s)
(52%)
19 day(s)
(61%)
21 day(s)
(70%)
Number of days with significant precipitation (greater than 5 mm) 6 day(s)
(20%)
8 day(s)
(26%)
11 day(s)
(37%)
Record precipitation in one day 27.9 mm
(2021)
92.1 mm
(2016)
155.3 mm
(2018)
Other weather data
Humidity 82% 83% 82%
Visibility 9.6 km 9.4 km 9.3 km
Cloud cover 34% 36% 36%
UV index 7 6 7
Daily sunshine 11h 11h 11h
Sunrise and sunset
Sunrise time 06h28 06h22 06h05
Sunset time 18h06 18h10 18h08
Day length 11h38 11h48 12h03
Our opinion on the climate in August
The review of Where And When favourable weather favourable weather favourable weather
Activities and events

What to do in Port Moresby in August?

Best activities in August
Animal observationDiving and snorkelingNature and landscapesBoat trip and cruise
Possible activities in August
Beach and swimming
Prices monitored continuously

The best offers right now to Port Moresby

Each map is a real return flight offered from London, with its dates, airline and price. Choose one to find it on Skyscanner, or start your own search just below.

The cheapest

London Port Moresby

From 6 Aug to 17 Aug 2027

£1,317 per person
11 days on site With stopover(s) Qatar Airways
The cheapest

London Port Moresby

From 3 Aug to 24 Aug 2027

£1,517 per person
21 days on site With stopover(s) Qatar Airways
The cheapest

London Port Moresby

From 12 Aug to 21 Aug 2027

£1,658 per person
9 days on site With stopover(s) China Southern
The cheapest

London Port Moresby

From 19 Aug to 28 Aug 2027

£1,660 per person
9 days on site With stopover(s) China Southern
Searching for the best deals…

Round-trip prices per person, recently collected from Skyscanner. Each offer has its own collection date and fares change constantly: the price displayed on Skyscanner is authoritative.

Observed weather

What was the weather like in Port Moresby in August last?

Find the observed weather calendar in Port Moresby in August 2025, with each day’s weather, temperatures and precipitation.

Mon. Tue. Wed. Thu. Fri. Sat. Sun.
1
Patchy rain nearby
23°C28°C0.0 mm
2
Light rain shower
23°C27°C0.4 mm
3
Partly Cloudy
23°C29°C0.0 mm
4
Clear/Sunny
22°C29°C0.0 mm
5
Clear/Sunny
23°C29°C0.0 mm
6
Patchy rain nearby
24°C28°C0.0 mm
7
Clear/Sunny
24°C29°C1.3 mm
8
Patchy rain nearby
24°C28°C0.6 mm
9
Patchy rain nearby
23°C27°C0.8 mm
10
Patchy rain nearby
23°C28°C0.9 mm
11
Patchy light drizzle
23°C27°C1.2 mm
12
Clear/Sunny
22°C28°C2.6 mm
13
Clear/Sunny
22°C28°C1.5 mm
14
Light rain shower
23°C27°C0.9 mm
15
Patchy rain nearby
24°C28°C0.0 mm
16
Patchy rain nearby
23°C26°C0.0 mm
17
Partly Cloudy
23°C28°C0.1 mm
18
Patchy rain nearby
23°C27°C0.5 mm
19
Clear/Sunny
23°C28°C1.8 mm
20
Clear/Sunny
23°C29°C0.2 mm
21
Clear/Sunny
23°C28°C0.0 mm
22
Patchy rain nearby
23°C28°C0.2 mm
23
Clear/Sunny
23°C29°C0.0 mm
24
Clear/Sunny
24°C29°C0.4 mm
25
Clear/Sunny
24°C30°C0.2 mm
26
Partly Cloudy
23°C29°C0.2 mm
27
Patchy rain nearby
22°C27°C0.1 mm
28
Clear/Sunny
22°C28°C0.3 mm
29
Patchy rain nearby
23°C27°C0.2 mm
30
Partly Cloudy
23°C29°C0.0 mm
31
Partly Cloudy
22°C29°C0.0 mm
Nearby

Where to go near Port Moresby in August?

Compare cities and destinations near Port Moresby in August to find another travel stop, a nearby alternative or a logical continuation of your stay in Port Moresby.

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Every month

Best time to visit Port Moresby month by month

Compare the weather in Port Moresby across all months of the year and open each detailed page to find the best time.

Frequently asked questions

Travel to to Port Moresby in August: your frequently asked questions

Short answers to the questions we ask ourselves before booking for this month.

Yes, it’s a good time. Conditions are favorable in Port Moresby in August, which places this month 3th out of 12.

Expect an average of 28°C during the day and 24°C at night, with about 146 mm of precipitation spread over 8 rainy days.

Yes: the sea is 26°C on average in August, a pleasant temperature for swimming.

Expect about 10.6 hours of sunshine per day on average for this month.

This month is particularly suited to these activities: Animal observation, Diving and snorkeling, Nature and landscapes and Boat trip and cruise. These are the ones for which the conditions on site are most favourable.

Yes: this month is in High crowding, with a visitor index of 76/100. Book your accommodation and transportation well in advance.

No: rates are at level Low price, with a price index of 39/100. It’s one of the most budget-friendly months.

The most favorable months in Port Moresby are: June, July, August and September. You are therefore already in one of the best times of the year; shifting your plans would not gain you much in terms of weather.
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