Climate and monthly weather forecastKiunga, Papua New Guinea

The climate of Kiunga

Papua New Guinea’s Kiunga follows the Am Köppen climate classification, indicating formidably wet, tropical monsoon climate. Situated in the lowland rainforest, Kiunga experiences high temperatures and humidity levels throughout the year. Rainfall is profuse and relatively steady, with a short drier period from June to August.

Looking at temperatures, the variation is minimal throughout the year. High temperatures range from a slightly cooler 28.6°C (83.5°F) in July to a peak of 32.2°C (90°F) in November. On the other side of the spectrum, low temperatures see only a brief dip in July and August to 21.8°C (71.2°F) and 21.9°C (71.4°F) respectively, with the rest of the year rarely straying far from 23°C (73.4°F).

Rainfall patterns adhere to monsoon dynamics, with an expected peak from February to May showing values from 294mm (11.57") to 306mm (12.05"), and a short respite from June to August where it lessens down to 100mm (3.94") in July from 150mm (5.91") in June. Humidity mirrors the rainfall pattern, with the initial months of the year revealing slightly drier conditions around 86 to 88% relative humidity, escalating to 91% by June.

UV indices consistently rate between 5 and 7, indicating moderate to high exposure levels. Kiunga’s geographical position affords it a steady daylight duration throughout the year, hovering around the 12-hour mark. Peak sunshine hours occur in the first and last two months when sunshine duration extends from 6.3 to 7.3 hours per day.

The best time to visit Kiunga

Suitable times to visit Kiunga hinge on an understanding of personal preferences or intended activities. However, for those seeking a balance between comfortably warm temperatures and manageable rainfall, the months between June and August present the most amiable conditions. During these months, rainfall reduces to values between 100mm (3.94") and 150mm (5.91"), humidity is at its lowest, and maximum temperatures hover around a comfortable 29°C (84.2°F) to 30.7°C (87.3°F).

The worst time to visit Kiunga

On the other side of the coin, from February to May, the weather can be challenging for visitors unaccustomed to high humidity and copious rainfall. The rainfall soars to values between 294mm (11.57") and 306mm (12.05") per month, and humidity hits a high of 90 to 91%. Thus, this period might not be the most favorable for those hoping to exploit outdoor activities.

Spring weather in Kiunga

Spring is a relative term in Kiunga, given its tropical monsoon climate. However, taking the conventional March-to-May period, temperatures range pleasantly from 31.1°C (88°F) to 30.7°C (87.3°F), and the low temperatures meander from 22.4°C (72.3°F) to 23°C (73.4°F). Despite the high rainfall during these months, the daylight hour stands nearly constant at around 12 hours, giving visitors ample time for exploration.

Summer weather in Kiunga

During the warmer months of June to August, Kiunga experiences temperatures dropping ever so slightly to 28.6°C (83.5°F) in July, and rainfall and humidity are at their yearly low. Still, sunshine hours dwindle to 3.5 hours in July from 5.9 hours per day in June. Despite shorter sunshine hours, these months marked by gentler weather fluctuations may be a favorable time for visitors.

Autumn weather in Kiunga

The conventional autumn months of September to November present warmer temperatures, ranging from 30.2°C (86.4°F) to 32.2°C (90°F), and increasing rainfall. November ushers in a phase of escalating rainfall with values jumping to 281mm (11.06"), and humidity levels peak. Daylight hours, however, begin picking up during these months.

Winter weather in Kiunga

The year tends to end on a warm and moist note given its tropical monsoon climate. December witnesses the maximum temperature of 31.6°C (88.9°F) along with high rainfall of 283mm (11.14"). Yet, daylight duration peaks towards the year-end, reaching its zenith at 12.5 hours in December. With daylight being abundant, it may be favorable for those looking to squeeze in as much sightseeing as possible.

Weather in January

Starting the year, Kiunga experiences a hot and humid climate with significant rainfall. With an average high temperature of 31.8°C (89.2°F) and relative humidity of 86%, the city encounters a heavy rainfall, reaching up to 249mm (9.8"). Weather in January »

Weather in February

Following January, February still maintains a hot and humid climate, although the high temperature slightly reduces to 31.7°C (89.1°F). Contrasting its predecessor, this month observes slight reduction in rainfall, visibility, and wind speeds, creating adequate conditions for diverse flora in Kiunga. Weather in February »

Weather in March

The first month of the autumn, March, is also a hot month in Kiunga, Papua New Guinea, with an average temperature varying between 22.4°C (72.3°F) and 31.1°C (88°F). Kiunga experiences an average high-temperature of a still tropical 31.1°C (88°F) with the onset of March, subtly varied from February's 31.7°C (89.1°F). Weather in March »

Weather in April

Characterizing April in Kiunga, is a slight decrease in temperature, compounded with a consistent weather pattern similar to March. The trend of high precipitation continues, along with longer cloudy periods and minimal sunshine days. Weather in April »

Weather in May

May signifies a transition period in Kiunga, as the weather begins to shift from the prevalent wet conditions of the previous months. Despite the slight reduction to 30.7°C (87.3°F) in high temperature, the relative humidity compounds to 90%, maintaining the wet conditions. Weather in May »

Weather in June

June in Kiunga marks the start of an apparent drop in rainfall, with new emerging weather trends. The month experiences a high temperature averaging 29°C (84.2°F), a notable dip compared to the preceding months. A significant decrease in rainfall to 150mm (5.91") and an increase in sunshine days underscores the changing weather conditions. Weather in June »

Weather in July

July continues the trend set in June, with a further decrease in rainfall and temperature. The temperature decreases to a yearly low of 28.6°C (83.5°F), while rainfall also drops significantly. Acknowledging the city's weather charm, the rising number of sunshine days highlights the calming ambience of Kiunga. Weather in July »

Weather in August

August's weather in Kiunga is characterised by a rise in temperature to 29.5°C (85.1°F) and a slight increase in rainfall compared to the previous month. Alongside these changes, relative humidity declines while the number of sunshine days decreases. Weather in August »

Weather in September

September in Kiunga marks a transition from the cooler conditions of the previous months to a warmer, wetter atmosphere. Significant indicators of this shift include a rise in temperature to 30.2°C (86.4°F), an increase in rainfall and a decrease in the number of sunshine days. Weather in September »

Weather in October

Kiunga enters October with prevalent hot weather and considerable rainfall, with a noted increase in temperature to 31.6°C (88.9°F). Subtly diverging from September, the month experiences a climb in rainfall and wind speeds, along with a decline in humidity. Weather in October »

Weather in November

The weather in November in Kiunga closely aligns with October's, albeit with a minor rise in temperature and rainfall. The city encounters the highest temperature of the year at 32.2°C (90°F) and increased precipitation levels. Weather in November »

Weather in December

Wrapping up the year, December's weather in Kiunga mirrors that of November, with a slight decrease in temperature to 31.6°C (88.9°F). This month continues to face significant rainfall and slightly reduced wind speeds. Notably, the number of sunshine days diminishes, leading to short daylight hours and longer evening times. Weather in December »