Climate and monthly weather forecast
Mount Hagen, Papua New Guinea

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The climate of Mount Hagen

Mount Hagen, located in Papua New Guinea, experiences a predominately Af climate type, as per the Köppen climate classification. This indicates a tropical rainforest climate, characterized by high precipitation and temperatures throughout the year. Variations in weather parameters point to a consistent pattern throughout the different seasons.

Temperature highs range from 28°C (82.4°F) to 30°C (86°F) without any drastic fluctuations, whereas the lows vary from 11°C (51.8°F) to 13°C (55.4°F). The monthly average precipitation swings from 122mm (4.8") to 309mm (12.17"), indicating a strong rainfall pattern commonly seen in tropical rainforest climates. The number of rainfall days in a month varies from 22 to 26, suggesting frequent and spread out rainfall events.

Sunshine hours measure a steady equilibrium, maintaining a rate of 4 to 5 hours per day. Although the daylight hours witness a mild change, swinging between 11.8 hours and 12.5 hours, the UV index remains fixed at a considerably high level of 12 throughout the year, warning of high ultraviolet radiation exposure.

The best time to visit Mount Hagen

Considering that Mount Hagen experiences a consistent tropical rainforest climate throughout the year, determining the best time to visit becomes subjective to individual preferences for weather conditions. Nevertheless, the driest period occurs between June and August with rainfall levels lowering to between 122mm (4.8") and 163mm (6.42") along with a reduced rate of rainfall days from 22 to 23. Coupled with a steady temperature range from 28°C (82.4°F) to 29°C (84.2°F) and an average of 4 hours of sunshine per day, this period may provide a relatively more favorable climate for those desiring less rain.

The worst time to visit Mount Hagen

Again, personal weather preferences play a key role in determining the worst time to visit Mount Hagen. However, if the objective is to avoid heavy rainfall, the months from February to April might not be a preferred choice. During this period, rainfall reaches its annual peak, varying from 283mm (11.14") to 309mm (12.17") and the number of rainfall days augmenting to 25 to 26. The average temperatures persistently stand close to 29°C (84.2°F), thereby maintaining the tropical nature of the climate.

Spring weather in Mount Hagen

In Mount Hagen, the spring months of September, October, and November witness an increase in rainfall from 193mm (7.6") to 218mm (8.58") and then to 208mm (8.19"). The number of rainfall days ranges from 23 to 24. The temperature marginally increases from 28°C (82.4°F)/11°C (51.8°F) in September, to 30°C (86°F)/12°C (53.6°F) by November, keeping the weather warm. Sunshine hours remain constant at 4 hours through September and October, increasing to 5 hours in November.

Summer weather in Mount Hagen

The summer in Mount Hagen, comprising December, January, and February doesn’t see much variation in temperature. Highs of 30°C (86°F) and lows of 12°C (53.6°F) are recorded throughout these months. In terms of precipitation, December and February observe high rainfall levels at 279mm (10.98") and 283mm (11.14"), while January records a slight dip at 299mm (11.77"). The number of rainy days remains constant at 24, and sunshine hours at 5 through all summer months.

Autumn weather in Mount Hagen

Autumn, which includes the months of March, April, and May, brings a small dip in average temperature to 29°C (84.2°F)/12°C (53.6°F). Substantial levels of precipitation are expected — ranging from 309mm (12.17") in March, sliding down to 249mm (9.8") and then to 180mm (7.09") in May. Meanwhile, the number of rainfall days oscillates between 26 and 25. Sunshine hours remain constant at 4 hours per day throughout Autumn.

Winter weather in Mount Hagen

During the winter months of June, July, and August, Mount Hagen experiences some respite from the heavy rainfall characteristic of a tropical rainforest climate. Average rainfall ranges from 122mm (4.8") to 163mm (6.42") and the number of rainfall days varies from 23 to 22. Average high temperatures remain constant at 28°C (82.4°F), while the average low temperature drops slightly to 11°C (51.8°F). Sunshine hours keep a steady figure of 4 hours per day during this season.

Weather in January

Among the key meteorological characteristics of Mount Hagen in January are high temperatures that peak at 29°C (84.2°F) and minimum temperatures that fall to 12°C (53.6°F). As the inaugural month of the year progresses, it shows minimal fluctuations in daylight hours or sunshine duration. Weather in January »

Weather in February

The numerous weather fluctuations of Mount Hagen in February, share much similarity with the previous month, January. The UV Index remains at the same level, with equal number of daylight and sunshine hours, making it a noteworthy month. Weather in February »

Weather in March

March in Mount Hagen presents a weather pattern comparable to that observed in February. Temperature highs and lows remain unchanged, as does the UV index and hours of sunshine. However, a noticeable transition in rainfall occurs, with precipitation reaching a peak of 309mm (12.17") over 26 days. Weather in March »

Weather in April

Distinctive weather patterns become noticeable in Mount Hagen during April. While temperatures, sunlight duration, and UV index remain consistent, the area experiences a significant cutback in rainfall, dropping from 309mm (12.17") in March to 249mm (9.8"). Weather in April »

Weather in May

May sees continuity in weather patterns in Mount Hagen, akin to April. Primarily, temperatures maintain a consistent pattern with previous months while daylight and sunshine hours see a fractional reduction. A notable exception to this uniform trend emerges in precipitation data, with rainfall further declining to 180mm (7.09") over 25 days. Weather in May »

Weather in June

A marked shift in Mount Hagen's weather begins in June, with a drop in average low temperatures to 11°C (51.8°F). The duration of daylight stabilizes, and the UV index experiences a slight decrease, providing a minor respite from the intense sunlight of the earlier months. Weather in June »

Weather in July

July in Mount Hagen sees the continuation of relatively consistent weather patterns, mirroring June's trends. However, the month exhibits a modest rise in rainfall, increasing from 122mm (4.8") to 135mm (5.31"), spread over 23 days. Weather in July »

Weather in August

A succession of changes in weather patterns characterizes August in Mount Hagen. The UV index reverts to high levels witnessed in the initial months of the year. Additionally, rainfall sees a subtle increase, with 163mm (6.42") of precipitation spanning 22 days, showing a continued uptick since June. Weather in August »

Weather in September

September in Mount Hagen sees a weather pattern much in line with the previous month with similar temperature averages and UV index values. The most distinguishing feature recorded is an increase in the average rainfall, now registering 193mm (7.6") over 23 rain days. Weather in September »

Weather in October

The weather in October in Mount Hagen demonstrates a notable departure from the trends in preceding months. The region experiences a rise in temperatures, with highs pushing up to 30°C (86°F), granting Mount Hagen with hotter days. Weather in October »

Weather in November

Dominant weather trends from October continue into November in Mount Hagen, with temperature averages remaining the same. As the rainfall amount steepens to 208mm (8.19") across 23 days, residents can anticipate more frequent and heavier showers. Weather in November »

Weather in December

December welcomes Mount Hagen with significant meteorological consistency. Temperature ranges and UV index values remain unchanged from November. Markedly, however, the final month of the year concludes with increased rainfall, reaching 279mm (10.98"), spread over 24 days. Weather in December »

Frequently asked questions

How much does it rain in Mount Hagen?

In Mount Hagen, Papua New Guinea, during the entire year, the rain falls for 288 days and collects up to 2638mm (103.86") of precipitation.

What is the month with the most sunshine in Mount Hagen?

The months with the most sunshine in Mount Hagen are January, October through December, with an average of 5h of sunshine.

What is the month with the highest UV index in Mount Hagen?

The months with the highest UV index are January through May, July through December, with an average maximum UV index of 12.

What are the months with the least sunshine in Mount Hagen?

The months with the least sunshine are February through September, with an average of 4h of sunshine.

What is the rainiest month in Mount Hagen?

The month with the most rainfall in Mount Hagen is March, when the rain falls for 26 days and typically aggregates up to 309mm (12.17") of precipitation.

What are the coldest months in Mount Hagen?

June through August bring Mount Hagen's average lowest temperatures, reaching a high of 28°C (82.4°F).

What is the driest month in Mount Hagen?

June is the month with the least rainfall in Mount Hagen. Rain falls for 23 days and accumulates 122mm (4.8") of precipitation.

What is the month with the shortest days in Mount Hagen?

June has the shortest days of the year in Mount Hagen, Papua New Guinea, with an average of 11h and 48min of daylight.

When is the lowest UV index in Mount Hagen?

The month with the lowest UV index in Mount Hagen, Papua New Guinea, is June, with an average maximum UV index of 11.

What are the warmest months in Mount Hagen?

Temperatures reach their maximum during October through December, recording an average high-temperature of 30°C (86°F).

When are the longest days in Mount Hagen?

The month with the longest days is December, with an average of 12h and 30min of daylight.

Is there Daylight Saving Time (DST) in Mount Hagen?

Mount Hagen does not utilize Daylight Saving Time (DST). +10 timezone is used throughout the entire year.

Average temperature
Mount Hagen, Papua New Guinea

Average temperature - Mount Hagen, Papua New Guinea

The warmest months (with the highest average high temperature) are October, November and December (30°C).
The months with the lowest average high temperature are June, July and August (28°C).

The months with the highest average low temperature are February and March (13°C).
The coldest months (with the lowest average low temperature) are June, July, August and September (11°C).

Average rainfall
Mount Hagen, Papua New Guinea

Average rainfall - Mount Hagen, Papua New Guinea

The wettest month (with the highest rainfall) is March (309mm).
The driest month (with the least rainfall) is June (122mm).

Average rainfall days
Mount Hagen, Papua New Guinea

Average rainfall days - Mount Hagen, Papua New Guinea

The months with the highest number of rainy days are March and April (26 days).
The month with the least rainy days is August (22 days).

Average daylight / Average sunshine
Mount Hagen, Papua New Guinea

Average daylight / Average sunshine - Mount Hagen, Papua New Guinea

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 48min).

The months with the most sunshine are January, October, November and December (Average sunshine: 5h).
The months with the least sunshine are February, March, April, May, June, July, August and September (Average sunshine: 4h).

Average UV index
Mount Hagen, Papua New Guinea

Average UV index - Mount Hagen, Papua New Guinea

The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 12).
The month with the lowest UV index is June (UV index 11).

Mount Hagen, Papua New Guinea

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