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Mount Hagen

Weather in Маунт-Хаген: What to Expect by Season

Photo: Jialiang Gao (peace-on-earth.org), CC BY-SA 3.0

Weather overview

Маунт-Хаген sits in the highlands of Papua New Guinea, where the weather stays mild and consistent through the year. Unlike coastal regions, Маунт-Хаген rarely sees extreme heat or cold, with daytime temperatures hovering around +24 °C and nights cooling to +14 °C or lower. The climate here is shaped by altitude, bringing a mix of wet and dry periods rather than distinct seasons.

Rainfall defines the rhythm of life in Маунт-Хаген. The wettest months, February and March, see nearly 300 mm of rain each, while the drier stretch from June to August offers a break with less than 100 mm per month. Even in the dry season, brief showers can occur, so travelers should always be prepared for moisture.

Temperature

Temperatures in Маунт-Хаген remain steady, with little variation between months. Daytime highs average +24–25 °C year-round, peaking at +25.5 °C in November. Nights are cooler, often dropping to +13–14 °C, especially in June and August, when lows reach +13.4 °C. The narrow range makes packing simple, though layers are useful for mornings and evenings.

The highland location keeps Маунт-Хаген from experiencing the humidity common in Papua New Guinea’s lowlands. While the air feels crisp, the lack of extreme heat means travelers can explore comfortably at any time of year. The most stable temperatures occur from May to October, when daily swings are minimal.

Average air temperature °C
Average air temperature
Month Minimum Maximum
January 14.6 25.3
February 14.8 24.3
March 14.4 24.5
April 14.1 24.3
May 14.7 24.2
June 13.7 24.1
July 13.8 24.1
August 13.4 24.4
September 13.6 24.9
October 13.8 25.2
November 13.9 25.5
December 14.4 25.1

Precipitation

Rainfall in Маунт-Хаген follows a clear pattern, with heavy rains from December to April and a pronounced dry season from June to August. February is the wettest month, averaging 291.3 mm, while June and July see just 85–88 mm. Even in the dry months, rain is possible, but it tends to be lighter and less frequent.

The transition months—April, May, September, and October—offer a balance, with moderate rainfall around 150–220 mm. Travelers visiting Маунт-Хаген during these periods can expect a mix of sunny spells and passing showers, making it easier to plan outdoor activities without long disruptions.

Precipitation amount mm
Precipitation amount
Month Precipitation
January 204
February 291.3
March 282
April 218.3
May 185.9
June 85.2
July 87.6
August 109.4
September 145
October 166.8
November 186.1
December 246.7

What to pack

For a trip to Маунт-Хаген, lightweight clothing works year-round, but a light jacket or sweater is essential for cooler nights. During the wetter months, from December to March, waterproof gear—such as a compact umbrella or a raincoat—will keep you comfortable during downpours. Quick-dry fabrics are useful for hikes or walks in the highlands.

Footwear should be sturdy and water-resistant, especially if you plan to explore beyond the city. In the drier months, from June to August, mornings can be chilly, so packing a scarf or a long-sleeve shirt is wise. Sunscreen and a hat are always recommended, as the highland sun can be strong even on overcast days.

Average monthly wind m/s
Average monthly wind
Month Wind speed
January 2.3
February 2.3
March 2.1
April 2.2
May 2.2
June 2
July 2.2
August 2.3
September 2.2
October 2.3
November 2.3
December 2.3