Temperatures in August
It's warm in August in Port Moresby with an average temperature of 29°C. Temperatures this month range from a low of 28°C to a high of 30°C. At night, you can expect temperatures between 19°C and 22°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Port Moresby in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in Port Moresby with hot temperatures, averaging around 30°C during the day and nights close to 21°C. You can expect regular precipitation, but there’s also a chance for some sunny days in the first days of the month.
Mid-August
By mid-August, the average daytime temperature stays the same at 30°C, with nights close to 21°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days.
End of August
By the end of August, the average daytime temperature in Port Moresby will be around 30°C, with nights close to 22°C. There’s regular precipitation, but with a bit of luck, you’ll also get some dry and sunny days.
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Precipitation in August
In August, there is an average of 126 mm of precipitation, spread over 11 days. The wind speed is around 5 Bft, mostly coming from the Southeast.
The average precipitation chance is 35% per day this month.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for Port Moresby. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Port Moresby in August |
London | ||
|---|---|---|---|
 Average Temperature |
29°C | 22°C | |
 High Temp |
30°C | 24°C | |
| Low Temp |
28°C | 19°C | |
 Total Precipitation |
126 mm | 60 mm | |
| Rainy Days |
11 days | 10 days | |
July
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is August a good time to visit Port Moresby?
After some sun? Then August isn’t the best time to be in Port Moresby. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Port Moresby in August
With 33°C, Port Moresby hit the highest temperature in the last 10 years in August 2017. The lowest daytime temperature in this month was 19°C in 2022. The extreme night temperatures ranged from a low of 2°C to a high of 25°C.
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Daily Temperature in August in Port Moresby
This chart shows the average daily temperatures, both day and night, for each day in August in Port Moresby, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in August in Port Moresby
The chart below shows the average daily precipitation in August for Port Moresby, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 11 days of rain in Port Moresby.
Daily UV Index in August in Port Moresby
This chart shows the average daily UV index in August in Port Moresby, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in August in Port Moresby Over the Years
This chart shows the average temperature in August in Port Moresby, measured in degrees Celsius, over the past years.
Total Precipitation in August in Port Moresby Over the Years
This chart shows the average precipitation in August in Port Moresby, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for Port Moresby
Click on a specific day in August for detailed info on the typical weather on that day in Port Moresby. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in Port Moresby
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Average Weather in Port Moresby by Month
Click on a month below to see detailed weather info for Port Moresby. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Port Moresby for all months at once
