Climate and monthly weather forecast
Aitape, Papua New Guinea

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The climate of Aitape

Recognized under the Köppen climate classification as 'Af,' Aitape pertains to the tropical rainforest climate zone. This climate type is almost exclusively found near the equator. As it signifies, tropical rainforest climates have high temperatures throughout the year and an abundance of rainfall.

Throughout the year, Aitape maintains a relatively stable temperature between 20.1°C (68.2°F) and 28.4°C (83.1°F). The highest average temperature noted is 28.4°C (83.1°F), occurring in October while the lowest average temperature close to 20.1°C (68.2°F) recorded in August. The constancy of Aitape's temperatures demonstrates an absence of marked seasonal variation typical of tropical climates. Variations in humidity show analogous slight fluctuations, with values ranging from 90% to 92%. It denotes a consistently humid condition that amplifies the heat's perceived intensity.

Rainfall in Aitape is significant, with total monthly averages from 178mm (7.01") to 233mm (9.17") and an average close to 28 monthly days of precipitation. Rainfall is at a peak in November. In contrast, the lowest values occur in July. It is noteworthy to mention the reduced visibility during rainfall, emphasizing the challenges with transportation and outdoor activities.

It is also worth noting the recurrent cloud coverage that holds an average percentage between 67% and 75%. This high percentage correlates with a reduced number of sunshine hours, which vary from 4.9 to 5.9 hours and sunshine days from 1.0 to 2.5 days. Subsequently, the UV index maintains its range from 5 to 6.

The best time to visit Aitape

Considering temperature stability and the frequency of rainfall, identifying the "best" time to visit Aitape can effectively depend on the visitors' preferences. Those seeking more sunny days and slightly drier conditions might find July to be the optimal month to visit. During this period, Aitape experiences the least amount of rainfall at 178mm (7.01"). Additionally, it also experiences the highest number of daylight hours, adding up to 12 hours on average.

The worst time to visit Aitape

In contrast, the month of November might be seen as the most challenging time to visit Aitape. This month records the highest rainfall amounts, with an average of 233mm (9.17"). In addition to the increased rain, the visibility is slightly decresed, which could hinder outdoor activities and travel.

Spring weather in Aitape

Spring, defined here as March, April, and May, is characterized by relatively stable temperatures in Aitape. Temperatures hover around 27.8°C (82°F) to 28.2°C (82.8°F) as the high, and between 20.9°C (69.6°F) and 21.3°C (70.3°F) as the low. Rainfall levels are substantial, with monthly averages of 214mm (8.43") in March, 205mm (8.07") in April, and 203mm (7.99") in May. Moreover, the average daylight hours slightly decrease from 12.1 hours in March to 12 hours by May.

Summer weather in Aitape

Summer months from June to August show minor fluctuations in temperature and rainfall. High temperatures range from 27.7°C (81.9°F) to 28.3°C (82.9°F), while the low temperatures range from 20.1°C (68.2°F) to 20.7°C (69.3°F). Rainfall levels remain consistently high, with values from 178mm (7.01") to 202mm (7.95"). Consistent with the tropical climate, the daylight duration is consistently around 12 hours.

Autumn weather in Aitape

Autumn, observed from September to November, experiences peak rainfall levels, especially in November, when it tends to reach 233mm (9.17"). High temperatures are observed, ranging from 27.8°C (82°F) to 28.3°C (82.9°F), and lows from 20.1°C (68.2°F) to 21°C (69.8°F). Here too, the average daylight is maintained at around 12 hours.

Winter weather in Aitape

Winter, typically from December to February, entails high temperatures averaging from 27.9°C (82.2°F) to 28.1°C (82.6°F) and lows from 20.9°C (69.6°F) to 21.3°C (70.3°F). High levels of rainfall are evident, with values starting from 153mm (6.02") in February to 217mm (8.54") to December. These months offer a consistent amount of daylight amounting to around 12.2 to 12.3 hours.

Weather in January

January in Aitape, Papua New Guinea sees the New Year in with relatively steady weather. Weather characteristics feature high humidity with occasional cloudy skies, complemented by a gentle breeze. The temperatures remain comfortably warm throughout the day and night. Weather in January »

Weather in February

February weather in Aitape reveals a subtle shift from the preceding month. Its reputation as a tropical paradise is reinforced, with steady temperatures, regular rainfall, and calm winds. The sea temperature, remarkably stable at 29.3°C (84.7°F), makes it an excellent month for water activities. Weather in February »

Weather in March

In March, Aitape's weather persists in its consistency. The humidity remains high, which results in warm temperatures and a fairly cloudy sky. Notably, this month records a slight increase in rainfall from 153mm (6.02") in February to 214mm (8.43"). Weather in March »

Weather in April

By April, Aitape’s weather exhibits more uniformity with the preceding months. The skies can still be quite cloudy, and there are regular updates of rain from the plentiful grey clouds. A regular wind speed of 3.8km/h (2.4mph) provides respite from the stagnant air. Weather in April »

Weather in May

May in Aitape sees a repetitive weather pattern. The months are marked by warm temperatures, showers, consistent wind, and cloudy days. Balance is the key in May's weather with a harmonious blend of sunshine and clouds. A significant change can be seen in the rainfall, declining to 203mm (7.99") from April's 205mm (8.07"). Weather in May »

Weather in June

June carries forth the established weather pattern in Aitape. The town’s innate tropical charm is seen in its warm and humid days, interspersed by rains and some moments of sunshine. The wind speed stays constant, aiding in the cooling down process. Weather in June »

Weather in July

July in Aitape highlights a steady rainfall accompanied by high humidity. The cloudy days are refreshed by mild winds that stir the otherwise still air. The months continue in their similar weather fashion, as seen in the preceding months. Weather in July »

Weather in August

The weather in August portrays Aitape’s tropical demeanor without fail. Consistent rain, accompanied by its usual high humidity, are traits of this month. There’s a slight increase in wind speed, felt especially during the day. Weather in August »

Weather in September

September stands out due to a drop in the rainfall recorded at 188mm (7.4"). The balmy weather, associated with humid days and mild nights, continues its dominance. Cloud cover is slightly less prominent, and a gentle breeze can be felt, especially during the mornings. Weather in September »

Weather in October

October brings in warmer days in Aitape. Humidity is still a constant but less oppressive due to the advent of additional sunshine hours. While the rainfall increases to 228mm (8.98"), the days retain their charm with regular sunny intervals. Weather in October »

Weather in November

The pleasant weather charm continues to prevail in November in Aitape. Humidity, cloudy skies, and gentle breeze join the party along with occasional sunny intervals. Rainfall sees the highest average for the year, recorded at an ample 233mm (9.17"). Weather in November »

Weather in December

Aitape in December sparkles with the festive spirit. Mild winds, warm temperatures, and regular rainfall set the tone for a tropical Christmas. Cloudy skies with interspersed sunshine hours maintain an equilibrium. A high of 217mm (8.54") of rainfall is recorded in December, continuing the prevalent rainy pattern. Weather in December »

Frequently asked questions

How many days does it rain in Aitape?

Throughout the year, there are 340.3 rainfall days, and 2452mm (96.54") of precipitation is accumulated.

What is the month with the highest UV index in Aitape?

The months with the highest UV index in Aitape, Papua New Guinea, are January, February, May and September, with an average maximum UV index of 6.

What are the least humid months in Aitape?

February, August through November, with an average relative humidity of 90%, are the least humid months in Aitape, Papua New Guinea.

What is the driest month in Aitape?

The month with the least rainfall is February, when the rain falls for 26 days and typically collects 153mm (6.02") of precipitation.

What are the most humid months in Aitape?

March and April, with an average relative humidity of 92%, are most humid months in Aitape.

What is the month with the least sunshine in Aitape?

March and April, with an average of 4.9h of sunshine, are months with the least sunshine.

When is the lowest UV index in Aitape?

March, April, June through August, October through December, with an average maximum UV index of 5, are months with the lowest UV index.

What is the month with the shortest days in Aitape?

The month with the shortest days is June, with an average of 11h and 54min of daylight.

What is the coldest month in Aitape?

The coldest temperatures in Aitape occur during July, when averages reach a peak of 27.7°C (81.9°F) and a low of 20.2°C (68.4°F).

What is the month with the coldest sea water in Aitape?

With an average sea temperature of 28.9°C (84°F), August is the month with the coldest seawater in Aitape.

What month has the most sunshine in Aitape?

August has the most sunshine of the year, with an average of 5.9h of sunshine.

What is the warmest month in Aitape?

With an average high-temperature of 28.4°C (83.1°F) and an average low-temperature of 20.6°C (69.1°F), October is the warmest month.

What is the rainiest month in Aitape?

November is the month with the most rainfall. Rain falls for 27.3 days and accumulates 233mm (9.17") of precipitation.

What is the month with the warmest sea water in Aitape?

With an average sea temperature of 29.8°C (85.6°F), November is the month with the warmest seawater.

When are the longest days in Aitape?

December has the longest days of the year, with an average of 12h and 18min of daylight.

Is there Daylight Saving Time (DST) in Aitape?

Aitape, Papua New Guinea, does not utilize Daylight Saving Time (DST). +10 timezone is used throughout the entire year.

Average temperature
Aitape, Papua New Guinea

Average temperature - Aitape, Papua New Guinea

The warmest month (with the highest average high temperature) is October (28.4°C).
The month with the lowest average high temperature is July (27.7°C).

The months with the highest average low temperature are April and December (21.3°C).
The coldest months (with the lowest average low temperature) are August and September (20.1°C).

Average pressure
Aitape, Papua New Guinea

Average pressure - Aitape, Papua New Guinea

The month with the highest atmospheric pressure is September (1010.3mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).

Average wind speed
Aitape, Papua New Guinea

Average wind speed - Aitape, Papua New Guinea

The windiest months (with the highest average wind speed) are February and March (4.5km/h).
The calmest month (with the lowest average wind speed) is July (3.4km/h).

Average humidity
Aitape, Papua New Guinea

Average humidity - Aitape, Papua New Guinea

The months with the highest relative humidity are March and April (92%).
The months with the lowest relative humidity are February, August, September, October and November (90%).

Average rainfall
Aitape, Papua New Guinea

Average rainfall - Aitape, Papua New Guinea

The wettest month (with the highest rainfall) is November (233mm).
The driest month (with the least rainfall) is February (153mm).

Average rainfall days
Aitape, Papua New Guinea

Average rainfall days - Aitape, Papua New Guinea

The month with the highest number of rainy days is August (29.7 days).
The month with the least rainy days is February (26 days).

Average sea temperature
Aitape, Papua New Guinea

Average sea temperature - Aitape, Papua New Guinea

The best month for swimming (with the highest average sea temperature) is November (29.8°C).
The coldest month (with the lowest average sea temperature) is August (28.9°C).

Average daylight / Average sunshine
Aitape, Papua New Guinea

Average daylight / Average sunshine - Aitape, Papua New Guinea

The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).

The month with the most sunshine is August (Average sunshine: 5h and 54min).
The months with the least sunshine are March and April (Average sunshine: 4h and 54min).

Average sunshine days
Aitape, Papua New Guinea

Average sunshine days - Aitape, Papua New Guinea

The month with the most sunshine days is January (2.5 days).
The month with the least sunshine days is August (1 days).

Average UV index
Aitape, Papua New Guinea

Average UV index - Aitape, Papua New Guinea

The months with the highest UV index are January, February, May and September (UV index 6).
The months with the lowest UV index are March, April, June, July, August, October, November and December (UV index 5).

Average visibility
Aitape, Papua New Guinea

Average visibility - Aitape, Papua New Guinea

The months with the highest visibility are January, February, June, July, August and October (6km).
The months with the lowest visibility are March, April, May, September, November and December (5km).

Aitape, Papua New Guinea

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