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Climate in Central Highlands Papua New Guinea

Average daytime and nighttime temperatures


All climate diagrams on this page come from the collected data of the official weather station in Central Highlands in a height of 5m above sea level. All data correspond to the average monthly values of the last 20 years.


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Central Highlands is one of the coldest regions in Papua New Guinea with an average daily high temperature of only 31 degrees. High humidity and hot temperatures make the weather pleasant at times but also tropical humid. It is warm or hot yearlong. Due to less rain, the best time for traveling is from July to October. Most precipitation falls from January to March.
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Daylengths and sun positions in Papua New Guinea
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Sunshine hours per day
The number of hours of sunshine refers to the time when the sun is actually visible. That is, without any obstruction of visibility by clouds, fog or mountains. With 7 hours per day, October is the sunniest month in the region of Central Highlands. In January, the sun shines the least.
Rain days per month
A rain day is a day on which at least 0.1 mm precipitation (=0.1 liter) per square meter falls. This can be rain, snow, hail or even dew. So it does not have to rain the whole day. With 20 rain days, March offers the most rain days, while August has the fewest.
Precipitation amount in mm/day
The amount of precipitation is measured in millimeters per square meter. Thus, at two mm/day, two liters of water fall on one square meter within 24 hours. With only 3.3 mm, the least amount of rain falls in August. March, on the other hand, has the most rain.
Relative humidity in %
Warm air can absorb more moisture than cold air. The relative humidity indicates how much moisture can be physically contained in the air. At high humidity, a person feels uncomfortable and perceives this as oppressive. In general, a relative humidity of 40-60% feels pleasant. With humidity averaging 85%, January is the most uncomfortable. In August, on the other hand, it is easier to endure.
Absolute humidity in g/m³
In warm months, there is also a higher absolute humidity almost everywhere. At a temperature of 25°C, air can absorb up to 23 grams of water per cubic meter. At 20°C, it is only 17.3 grams. A relative humidity of 40% at 25°C thus corresponds to an absolute humidity of 9.2 grams of water. From a proportion of approx. 13.5 grams, humans perceive the air as muggy. This limit is exceeded throughout the year in Central Highlands.
Humidex
The "Humidex" (humidity index) is an index of well-being in warmer areas, calculated from the air temperature, relative humidity and dew point. The index corresponds approximately to the temperature felt. At high temperatures, the body transports heat away by sweating. At high humidity, the ambient air can only absorb a small amount of sweat and thus one feels uncomfortable. An index of 20-29 is considered comfortable. Up to 39, people perceive the air as slightly uncomfortable, and above 40, as very uncomfortable. Values above 45 are dangerous in the long run and often lead to heat stroke.
Map of Central Highlands

Most important cities in the region »Central Highlands«

Only very small villages are located here. The two biggest are Mount Hagen and Mendi. The region has a west-east extension of about 320 km and over 90 km from north to south.

It consists of the six provinces Chimbu, Eastern Highlands, Enga, Hela, Southern Highlands and Western Highlands.


CityPopulationGeo position
Mount Hagen33,6235° 51' 27"S144° 13' 50"E
Mendi26,2526° 8' 51"S143° 39' 23"E
Goroka18,5036° 5' 0"S145° 23' 14"E
Kundiawa9,3836° 1' 0"S144° 58' 0"E
Kainantu8,5096° 17' 19"S145° 51' 56"E
Tari8,1865° 54' 8"S142° 56' 6"E
Ialibu6,9156° 16' 55"S143° 59' 37"E
Wabag3,9585° 28' 41"S143° 42' 8"E
Porgera1,5785° 28' 27"S143° 7' 46"E


Data basis: German Weather Service, individual values averaged and supplemented by own elements. Data on cities and inhabitants: geonames.org, United Nations Statistics Division and own research.
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