Climate and monthly weather forecast
Waigani, Papua New Guinea

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The climate of Waigani

Waigani in Papua New Guinea experiences a warm tropical climate, classified as Af by the Köppen climate classification. Its geographical position, quite close to the equator, results in a strong tropical influence. Therefore, the city does not have significant weather variation throughout the year.

Examining the climate data, the monthly average high temperatures range from 27.6°C (81.7°F) to 30.2°C (86.4°F), while the average low temperatures hover between 22.5°C (72.5°F) and 24.5°C (76.1°F). Relative humidity remains high throughout the year, with percentages ranging from 73 to 80.

Rainfall is an integral part of Waigani's climate, with the least amount in July, 46mm (1.81"), and the peak in March, up to 203mm (7.99"). Correspondingly, the number of rainy days varies from around 15 days per month in July to 25 days in March. The high amount of rainfall fits well into the Tropical rainforest climate category.

Unique to this climate type, daylight durations only have minor changes throughout the year, spanning from 11.6 hours in June and July to 12.7 in December. Sunshine hours have more variation, with the lowest at 7.1 hours per day in May and the highest at 11.3 in November.

The best time to visit Waigani

Undeniably, the best time to visit Waigani would be during the months when rainfall is at its lowest level. Consequently, June and July emerge as the preferable options as the region receives around merely 46mm (1.81") and 71mm (2.8") of rain respectively. During these months, the temperatures remain reasonably moderate, ranging from 27.6°C (81.7°F) to 28°C (82.4°F) during the day and from 22.5°C (72.5°F) to 23.5°C (74.3°F) at night.

Forecasted humidity levels in these months hover around 78-80% which is slightly less humid compared to other months. A bonus is that the duration of sunshine hours is quite favourable in summer, especially in July which records the longest, almost 8.8 hours on average.

The worst time to visit Waigani

If seeking to avoid heavy rainfalls and high humidity levels, then March should be seen as the least favourable month for visiting Waigani. March records the most significant rainfall intake, 203mm (7.99") on average, and with up to 25 rainy days. In correspondence, the relative humidity is around 77%.

Spring weather in Waigani

Spring in Waigani, spanning from September to November, offers a relatively pleasant climate. A gradual increase in temperature can be seen during this period, with the average maximum temperatures lie between 28°C (82.4°F) and 29.7°C (85.5°F), and the minimum temperatures range from 22.7°C (72.9°F) to 24°C (75.2°F). Rainfall during these months moderately varies from 82 to 88mm (3.46") and the sunshine duration extends from 9.3 hours to 11.3 hours.

Summer weather in Waigani

Summer in Waigani is observed from December to February. In these months, the daytime temperatures tend to peak with averages ranging from 29.6°C (85.3°F) to 30.2°C (86.4°F), while night-time lows loom between 24.3°C (75.7°F) and 24.5°C (76.1°F). Rainfall can be relatively higher than the other months, amounting from 125mm (4.92") in February to 156mm (6.14") in December.

Autumn weather in Waigani

The autumn climate from March to May in Waigani sees a slight decrease in temperatures, with daily highs spanning from 28.9°C (84°F) to 29.3°C (84.7°F) and nightly lows between 24.1°C (75.4°F) to 24.3°C (75.7°F). This period witnesses heavy rainfall, and particularly in March, the rain reached up to 203mm (7.99").

Winter weather in Waigani

During the Winter season observed from June to August, Waigani experiences the least rainfall, particularly in July when precipitation falls to the lowest level of 46mm (1.81"). The temperatures during this period range from 27.6°C (81.7°F) during the day to 22.5°C (72.5°F) at night. It should be noted that the highest wind speeds are recorded during this season, with an average of 17.8km/h (11.1mph) to 18.9km/h (11.7mph).

Weather in January

The weather patterns in Waigani start the year with a warm and rainy outlook. Temperatures tend to hover around the upper twenties range, notable for the high of 29.8°C (85.6°F). However, the humidity is high due to the significant amount of rainfall received during the month. Weather in January »

Weather in February

Weather in Waigani shifts slightly in February as the region continues to experience the tropical monsoon season. Expectedly, the rainfall subsides slightly from the preceding month's showers. The temperatures remain almost consistent with January, peaking at 29.6°C (85.3°F). Weather in February »

Weather in March

Waigani weather in March features an interesting blend of climates largely influenced by the tropical setting. Rainfall increases compared to February, going as high as 203mm (7.99") in total rainfall. These intense showers are well dispersed throughout the month. Weather in March »

Weather in April

The typical weather conditions of Waigani in April mirror those of a tropical region recovering from the monsoon. The regularity of rainfall decreases, paving the way for slightly drier conditions. Temperature readings continue their downward trend started in March, although still comfortably warm. Weather in April »

Weather in May

May signals the beginning of a relatively drier phase of the year in Waigani weather. May is characterized by a distinct reduction in rainfall while maintaining temperatures well into the high twenties. Clear, sunny days become more frequent as the amount of rain received diminishes significantly. Weather in May »

Weather in June

June comes with considerable changes to the weather of Waigani. A deviation from previously seen patterns emerges, as temperatures fall, reaching a peak of only 28°C (82.4°F). Rainfall dips further, turning the region noticeably drier. Weather in June »

Weather in July

The weather in Waigani undergoes further transformation in July. The temperatures reach their lowest levels relative to previous months. The rains continue to be infrequent, contributing minimally to the humidity percentage. Strong wind conditions persist, carrying a refreshing air across the city. Weather in July »

Weather in August

August maintains the trend of lower temperatures in Waigani, peaking at 27.6°C (81.7°F). The city sees a slight increase in rain compared to July. The windy conditions from previous months recede slightly, leading to calmer days and cool evenings. Weather in August »

Weather in September

September weather in Waigani witnesses a gradual rebound in temperature. The slight rise in warmth is met with a simultaneous increase in rainfall. Although the winds soften, they remain consistent enough to keep the climate comfortable. Weather in September »

Weather in October

October exhibits a gradual ascend in the weather elements across Waigani. The temperatures begin to climb, hinting at the return of warm climates. Alongside the spike in warmth, there's also an uptick in the amount of rainfall. Breezes remain a common feature, creating a soothing ambiance despite the humid setting. Weather in October »

Weather in November

November signals the onset of a warm and windy season in Waigani. Despite the increasing humidity, the temperatures, having reached a peak of 29.7°C (85.5°F), remain inviting for outdoor pursuits. Consequentially, the city experiences fewer wind gusts, creating a calming atmosphere. Weather in November »

Weather in December

Wrapping up the weather year in Waigani, December presents a warm and wet climate. Echoing the trends of a tropical city, the temperatures, hitting a high of 30.2°C (86.4°F), peak in December, outdoing all the previous months. Weather in December »

Frequently asked questions

What is the least humid month in Waigani?

The months with the lowest humidity in Waigani are January and February, with an average relative humidity of 73%.

How much does it rain in Waigani?

In Waigani, Papua New Guinea, during the entire year, the rain falls for 249.8 days and collects up to 1311mm (51.61") of precipitation.

When is the highest UV index in Waigani?

January, March through May, October through December, with an average maximum UV index of 7, are months with the highest UV index.

What are the months with the lowest UV index in Waigani?

February, June through September, with an average maximum UV index of 6, are months with the lowest UV index.

What is the wettest month in Waigani?

The month with the most rainfall is March, when the rain falls for 24.6 days and typically aggregates up to 203mm (7.99") of precipitation.

What are the most humid months in Waigani?

May and June, with an average relative humidity of 80%, are most humid months in Waigani, Papua New Guinea.

What is the month with the least sunshine in Waigani?

May has the least sunshine of the year in Waigani, with an average of 7.1h of sunshine.

What is the month with the shortest days in Waigani?

With an average of 11h and 36min of daylight, June has the shortest days of the year.

What month is the coldest in Waigani?

July and August are known as Waigani's coldest months, with an average high-temperature of 27.6°C (81.7°F).

What is the driest month in Waigani?

The month with the least rainfall is July, when the rain falls for 14.7 days and typically collects 46mm (1.81") of precipitation.

What month has the most sunshine in Waigani?

With an average of 11.3h of sunshine, November has the most sunshine of the year.

What time of the year is the hottest in Waigani?

December is the month when Waigani, Papua New Guinea, sees the average highest temperatures, with a high of 30.2°C (86.4°F) and a low of 24.5°C (76.1°F).

When are the longest days in Waigani?

With an average of 12h and 42min of daylight, December has the longest days of the year in Waigani.

Is there Daylight Saving Time (DST) in Waigani?

Waigani, Papua New Guinea, does not observe Daylight Saving Time (DST). +10 timezone is used over the entire year.

Average temperature
Waigani, Papua New Guinea

Average temperature - Waigani, Papua New Guinea

The warmest month (with the highest average high temperature) is December (30.2°C).
The months with the lowest average high temperature are July and August (27.6°C).

The month with the highest average low temperature is December (24.5°C).
The coldest month (with the lowest average low temperature) is August (22.5°C).

Average pressure
Waigani, Papua New Guinea

Average pressure - Waigani, Papua New Guinea

The month with the highest atmospheric pressure is August (1012.1mbar).
The month with the lowest atmospheric pressure is January (1007.9mbar).

Average wind speed
Waigani, Papua New Guinea

Average wind speed - Waigani, Papua New Guinea

The windiest month (with the highest average wind speed) is July (18.9km/h).
The calmest month (with the lowest average wind speed) is December (9.7km/h).

Average humidity
Waigani, Papua New Guinea

Average humidity - Waigani, Papua New Guinea

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January and February (73%).

Average rainfall
Waigani, Papua New Guinea

Average rainfall - Waigani, Papua New Guinea

The wettest month (with the highest rainfall) is March (203mm).
The driest month (with the least rainfall) is July (46mm).

Average rainfall days
Waigani, Papua New Guinea

Average rainfall days - Waigani, Papua New Guinea

The month with the highest number of rainy days is March (24.6 days).
The month with the least rainy days is July (14.7 days).

Average daylight / Average sunshine
Waigani, Papua New Guinea

Average daylight / Average sunshine - Waigani, Papua New Guinea

The month with the longest days is December (Average daylight: 12h and 42min).
The month with the shortest days is June (Average daylight: 11h and 36min).

The month with the most sunshine is November (Average sunshine: 11h and 18min).
The month with the least sunshine is May (Average sunshine: 7h and 6min).

Average sunshine days
Waigani, Papua New Guinea

Average sunshine days - Waigani, Papua New Guinea

The month with the most sunshine days is July (13.4 days).
The months with the least sunshine days are March and April (5.2 days).

Average UV index
Waigani, Papua New Guinea

Average UV index - Waigani, Papua New Guinea

The months with the highest UV index are January, March, April, May, October, November and December (UV index 7).
The months with the lowest UV index are February, June, July, August and September (UV index 6).

Average visibility
Waigani, Papua New Guinea

Average visibility - Waigani, Papua New Guinea

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

Waigani, Papua New Guinea

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