Papua New Guinea

Papua New Guinea Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Papua New Guinea in August.

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Port Moresby Madang Kokopo Lae

Are you planning a trip a to Papua New Guinea in August and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Papua New Guinea in August

August in Papua New Guinea generally has temperatures that range from pleasant to warm, with precipitation levels ranging from moderate to heavy.

Temperatures

During the day temperatures vary from pleasant in Mount Hagen at 22°C (72°F) to warm in Madang at 29°C (84°F). At night it cools down to 24°C (75°F) in Madang and 13°C (55°F) in Mount Hagen. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

To explore the conditions in Papua New Guinea in more detail, check the map below.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Port Moresby with an average of 49 mm (1.9 in) to heavy rainfall in Lae with 522 mm (21 in).

Average sunshine

Sunshine is generally plentiful throughout many areas. Port Moresby enjoys about 225 hours of sunlight, ideal for those seeking sunny weather.

Explore Papua New Guinea by month

Pick a month to see the average temperature, rainfall and sunshine in Papua New Guinea — and find the best time to visit. (based on Port Moresby)

January31°C (88°F) February31°C (88°F) March30°C (86°F) April30°C (86°F) May30°C (86°F) June30°C (86°F) This monthJuly29°C (84°F) August29°C (84°F) September30°C (86°F) October30°C (86°F) November31°C (88°F) December31°C (88°F)
Best Time to Visit Papua New Guinea →

Best Places to Visit in Papua New Guinea in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Papua New Guinea.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Papua New Guinea

What is the weather like in August for some of the most popular destinations in Papua New Guinea?

Temperature range in Papua New Guinea (August)

Precipitation variation in Papua New Guinea (August)

Port Moresby

In August Port Moresby generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« July
August
September »
July
August
September
Max temperature
29°C (84°F)
29°C (84°F)
30°C (86°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
205 hours
225 hours
215 hours
Monthly rainfall
42 mm (1.7 in)
49 mm (1.9 in)
66 mm (2.6 in)
Monthly rainy days
7 days
6 days
7 days
Weather conditions
perfect
perfect
pleasant
Climate in Port Moresby →

Madang

In August Madang generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 24°C (75°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
29°C (84°F)
29°C (84°F)
30°C (86°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
195 hours
226 hours
216 hours
Monthly rainfall
182 mm (7.2 in)
159 mm (6.3 in)
163 mm (6.4 in)
Monthly rainy days
16 days
14 days
14 days
Weather conditions
tolerable
pleasant
tolerable
Climate in Madang →

Kokopo

In August Kokopo generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
28°C (82°F)
28°C (82°F)
29°C (84°F)
Min temperature
25°C (77°F)
24°C (75°F)
25°C (77°F)
Monthly sun hours
152 hours
161 hours
195 hours
Monthly rainfall
191 mm (7.5 in)
172 mm (6.8 in)
156 mm (6.1 in)
Monthly rainy days
20 days
19 days
19 days
Weather conditions
tolerable
pleasant
pleasant
Climate in Kokopo →

Lae

In August Lae generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 22°C (72°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« July
August
September »
July
August
September
Max temperature
26°C (79°F)
26°C (79°F)
27°C (81°F)
Min temperature
22°C (72°F)
22°C (72°F)
22°C (72°F)
Monthly rainfall
523 mm (21 in)
522 mm (21 in)
483 mm (19 in)
Monthly rainy days
23 days
23 days
21 days
Weather conditions
poor
poor
poor
Climate in Lae →

Mount Hagen

In August Mount Hagen generally has pleasant temperatures with maximum daytime temperatures around 22°C (72°F), minimum nighttime temperatures around 13°C (55°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

« July
August
September »
July
August
September
Max temperature
22°C (72°F)
22°C (72°F)
22°C (72°F)
Min temperature
13°C (55°F)
13°C (55°F)
12°C (54°F)
Monthly rainfall
226 mm (8.9 in)
253 mm (10 in)
299 mm (12 in)
Monthly rainy days
24 days
22 days
22 days
Weather conditions
unpleasant
unpleasant
poor
Climate in Mount Hagen →

Is your destination not in the list? Have a look at all destinations in Papua New Guinea.

In our records: Papua New Guinea August extremes

Notable August records observed across cities in Papua New Guinea in our climate database (1988 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • Based on our data, the coldest August night in Papua New Guinea dropped to 8°C (46°F) in Mount Hagen on August 11, 2015.

Popular cities in August

Day & night temperatures, rainfall and average weather in Papua New Guinea in August.

City Weather Day temp Night temp Rainfall
Port Moresby 29°C (84°F) 23°C (73°F) 49 mm (1.9 in)
Madang 29°C (84°F) 24°C (75°F) 159 mm (6.3 in)
Kokopo 28°C (82°F) 24°C (75°F) 172 mm (6.8 in)
Lae 26°C (79°F) 22°C (72°F) 522 mm (21 in)
Mount Hagen 22°C (72°F) 13°C (55°F) 253 mm (10 in)
Erave 24°C (75°F) 17°C (63°F) 459 mm (18 in)

Papua New Guinea weather in August: frequently asked questions

What is the weather like in Papua New Guinea in August?

Papua New Guinea typically experiences perfect weather in August, part of the season. Daytime highs in Port Moresby average around 29°C (84°F), and temperatures drop to about 23°C (73°F) at night.

What is the average temperature in Papua New Guinea in August?

Port Moresby averages a daytime maximum of 29°C (84°F) in August, with overnight lows close to 23°C (73°F).

Does Papua New Guinea get a lot of rain in August?

Not particularly. Port Moresby averages just 49 mm (1.9 in) of rain in August, making it a mostly dry month for Papua New Guinea.

Is August a Good Time to Visit Papua New Guinea?

We believe that August is one of the best times to visit Papua New Guinea with overall perfect weather in Port Moresby. It's worth noting that weather conditions might differ depending on the location you visit.

On average, the best time to visit Papua New Guinea is in July and August with generally perfect weather in Port Moresby. On the other hand, the months of January, February, March, April and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Papua New Guinea.

Weather and climate has detailed information for every country in the world. Are you going to Papua New Guinea? Get detailed historical weather averages for many cities in Papua New Guinea.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.