July weather forecast
Port Moresby, Papua New Guinea

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The mountains and beautiful clear waters surrounding the beautiful Port Moresby, in Papua New Guinea
The mountains and beautiful clear waters surrounding the beautiful Port Moresby, in Papua New Guinea

Weather in July

The adventure into July facilitates a dry spell as Port Moresby experiences the least rainfall throughout the year, a meager 46mm (1.81"). July transforms into the driest month, providing an excellent opportunity for outdoor exploration without worries about sudden showers. The average high temperature decreases slightly, making afternoons comfortable and conducive for venturing outdoors. The slight decrease in sea temperature does not hinder hard-core water sports enthusiasts. Essentially, July in Port Moresby showcases the advent of the dry season with greater sunlight hours.

Temperature

In Port Moresby, Papua New Guinea, July and August are characterised by the lowest temperatures, recording an average high of 27.6°C (81.7°F).

Heat index

The average heat index in July is appraised at a tropical 31°C (87.8°F). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'felt air temperature' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.

Humidity

The average relative humidity in July is 78%.

Rainfall

The month with the least rainfall is July, when the rain falls for 14.7 days and typically collects 46mm (1.81") of precipitation.

Sea temperature

In Port Moresby, in July, the average water temperature is 26.2°C (79.2°F).
Note: Swimming, diving, and other water activities in temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are highly enjoyable and provide prolonged comfort without unease.

Daylight

In Port Moresby, Papua New Guinea, the average length of the day in July is 11h and 38min.
On the first day of the month, sunrise is at 06:27 and sunset at 18:02. On the last day of July, in Port Moresby, Papua New Guinea, sunrise is at 06:26 and sunset at 18:08 +10.

Sunshine

The average sunshine in July is 8.8h.

UV index

The months with the lowest UV index are February, June through September, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 6 during July translates into the following recommendations:
Ward off overexposure. Defence against solar harm is crucial. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Attention! The reflection of both water and sand can increase the intensity of UV rays.
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Frequently asked questions

What are the coldest months in Port Moresby?

Port Moresby's average lowest temperatures are recorded in July and August, reaching a high of 27.6°C (81.7°F).

What is the usual temperature for Port Moresby in July?

Port Moresby in July has an average high-temperature of 27.6°C (81.7°F) and an average low-temperature of 22.7°C (72.9°F). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 31°C (87.8°F).

What is the average humidity in July in Port Moresby?

In July, the average relative humidity in Port Moresby is 78%.

What is the driest month in Port Moresby?

July is the month with the least rainfall. Rain falls for 14.7 days and accumulates 46mm (1.81") of precipitation.

How many days does it rain in July in Port Moresby?

In Port Moresby, during July, the rain falls for 14.7 days and regularly aggregates up to 46mm (1.81") of precipitation.

What is the sea water temperature in July in Port Moresby?

In Port Moresby, Papua New Guinea, in July, the average water temperature is 26.2°C (79.2°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

How many hours of daylight does Port Moresby have in July?

In July, the average day length in Port Moresby, Papua New Guinea, is 11h and 38min.

What time are sunrise and sunset in July in Port Moresby?

On the first day of July in Port Moresby, sunrise is at 06:27 and sunset at 18:02. On the last day of the month, sunrise is at 06:26 and sunset at 18:08 +10.

How many hours of sunshine does Port Moresby have in July?

In Port Moresby, the average sunshine duration in July is 8.8h.

What is the month with the lowest UV index in Port Moresby?

The months with the lowest UV index in Port Moresby, Papua New Guinea, are February, June through September, with an average maximum UV index of 6.

How high is the UV index in July in Port Moresby?

The average daily maximum UV index in July in Port Moresby, Papua New Guinea, is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

Average temperature in July
Port Moresby, Papua New Guinea

Average temperature in July - Port Moresby, Papua New Guinea
  • Average high temperature in July: 27.6°C

The warmest month (with the highest average high temperature) is December (30.2°C).
The months with the lowest average high temperature are July and August (27.6°C).

  • Average low temperature in July: 22.7°C

The month with the highest average low temperature is December (24.5°C).
The coldest month (with the lowest average low temperature) is August (22.5°C).

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Average pressure in July
Port Moresby, Papua New Guinea

Average pressure in July - Port Moresby, Papua New Guinea
  • Average pressure in July: 1011.6mbar

The month with the highest atmospheric pressure is August (1012.1mbar).
The month with the lowest atmospheric pressure is January (1007.9mbar).

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Average wind speed in July
Port Moresby, Papua New Guinea

Average wind speed in July - Port Moresby, Papua New Guinea
  • Average wind speed in July: 18.9km/h

The windiest month (with the highest average wind speed) is July (18.9km/h).
The calmest month (with the lowest average wind speed) is December (9.7km/h).

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Average humidity in July
Port Moresby, Papua New Guinea

Average humidity in July - Port Moresby, Papua New Guinea
  • Average humidity in July: 78%

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January and February (73%).

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Average rainfall in July
Port Moresby, Papua New Guinea

Average rainfall in July - Port Moresby, Papua New Guinea
  • Average rainfall in July: 46mm

The wettest month (with the highest rainfall) is March (203mm).
The driest month (with the least rainfall) is July (46mm).

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Average rainfall days in July
Port Moresby, Papua New Guinea

Average rainfall days in July - Port Moresby, Papua New Guinea
  • Average rainfall days in July: 14.7 days

The month with the highest number of rainy days is March (24.6 days).
The month with the least rainy days is July (14.7 days).

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Average sea temperature in July
Port Moresby, Papua New Guinea

Average sea temperature in July - Port Moresby, Papua New Guinea
  • Average sea temperature in July: 26.2°C

The best month for swimming (with the highest average sea temperature) is January (29.7°C).
The coldest month (with the lowest average sea temperature) is August (25.6°C).

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Average daylight in July /
Average sunshine in July
Port Moresby, Papua New Guinea

Average daylight in July / Average sunshine in July - Port Moresby, Papua New Guinea
  • Average daylight in July: 11h and 4min

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).

  • Average sunshine in July: 8h and 5min

The month with the most sunshine is November (Average sunshine: 11h and 18min).
The month with the least sunshine is May (Average sunshine: 7h and 6min).

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Average sunshine days in July
Port Moresby, Papua New Guinea

Average sunshine days in July - Port Moresby, Papua New Guinea
  • Average sunshine days in July: 13.4 days

The month with the most sunshine days is July (13.4 days).
The months with the least sunshine days are March and April (5.2 days).

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Average UV index in July
Port Moresby, Papua New Guinea

Average UV index in July - Port Moresby, Papua New Guinea
  • Average UV index in July: 6

The months with the highest UV index are January, March, April, May, October, November and December (UV index 7).
The months with the lowest UV index are February, June, July, August and September (UV index 6).

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Average cloud cover in July
Port Moresby, Papua New Guinea

Average cloud cover in July - Port Moresby, Papua New Guinea
  • Average cloud cover in July: 34

The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is November (Cloud cover 28).

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Average visibility in July
Port Moresby, Papua New Guinea

Average visibility in July - Port Moresby, Papua New Guinea
  • Average visibility in July: 10km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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Port Moresby, Papua New Guinea

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