Climate and monthly weather forecast
Kieta, Papua New Guinea

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The climate of Kieta

Characterized by its tropical rainforest classification in the Köppen climate system, Kieta is a quaint town located in the region of Papua New Guinea. The predominant climate, designated as Af, encompasses heavy rainfall, high humidity, and generally warm weather round the year.

Poring over the annual climate data reveals a uniform pattern in the monthly temperatures. Kieta experiences a narrow range of temperatures, with the highest average temperatures oscillating between 25.8°C (78.4°F) to 27.3°C (81.1°F) and the minimums wavering from 20.5°C (68.9°F) to 21.7°C (71.1°F). Relative humidity values hover high, consistent with tropical climates, usually standing in the range of 88% to 92%.

Rainfall is a defining element of Kieta's climate, with each month essentially seeing substantial amounts of rainfall. The monthly rainfall total spans from 281mm (11.06") to 511mm (20.12"), while the number of rainfall days fluctuates between 26.8 to 30.8 days. This rain-centric climate also exhibits a lesser amount of sunshine, with average sunshine hours varying from 4.4 to 6.2 hours and an average of 1.5 clear-sky days each month throughout the year.

Unlike the other weather parameters, sea temperatures offer some degree of variation, ranging from 29°C (84.2°F) to 30.3°C (86.5°F). Meanwhile, daylight stays almost consistent, with the minimum hours of about 11.8 in May and the maximum of 12.5 around December.

The best time to visit Kieta

Taking into account the consistent tropical rainforest weather, choosing an optimal period for a visit can be challenging. However, the period from July to October sees the lowest rainfall amount, ranges from 375mm (14.76") to 430mm (16.93"), and the highest sea temperature ranges from 29°C (84.2°F) to 29.7°C (85.5°F). These factors, coupled with slightly lower humidity rates, make July to October the less rainy period hence more suitable for outdoor activities and exploring the local sights.

The worst time to visit Kieta

Despite the uniform climate, the months of February to April and November bring the highest amounts of rainfall, shifting between 442mm (17.4") and 493mm (19.41"). The cloud cover and high humidity during these months slightly reduce the visibility of 6 km. Along with the higher chances for rain and cloudy skies, these factors might hinder outdoor plans and excursions.

Spring weather in Kieta

Spring in Kieta, observed from March to May, witnesses significant rainfall with total monthly precipitation ranging from 442mm (17.4") to 490mm (19.29"). The average high temperatures consistently sit around 26.9°C (80.4°F) to 27.2°C (81°F), whereas the average lows fall within the 20.9°C (69.6°F) to 21.2°C (70.2°F) range. The average daylight hours dwindle slightly from 12.1 hours to 11.8 hours over these months.

Summer weather in Kieta

Summers, from June to August, in Kieta usher in a marginally reduced amount of rainfall, with totals sliding between 375mm (14.76") and 430mm (16.93"). The average high temperatures vary slightly, from 26.4°C (79.5°F) to 26°C (78.8°F), with the average low temperatures tending to stay constant at 20.8°C (69.4°F). The average daylight hours persist at 11.8 during these months.

Autumn weather in Kieta

Autumn, extending from September to November, invites slightly increased rainfall between 493mm (19.41") and 375mm (14.76"). Meanwhile, temperatures gradually increase, with average highs inconspicuously climbing from 26.8°C (80.2°F) to 27.3°C (81.1°F) and lows from 20.8°C (69.4°F) to 21.1°C (70°F). Average daylight hours increase slightly from 11.8 hours to 12.2 hours as one moves into November.

Winter weather in Kieta

December to February, termed as Kieta's 'winter' months, see profuse rainfall, with totals ranging from 385mm (15.16") to 493mm (19.41"). Temperature highs maintain around 27.1°C (80.8°F) to 27.3°C (81.1°F), while lows remain steady from 21.3°C (70.3°F) to 21.7°C (71.1°F), accompanied by a marginal increase in daylight hours from 12.4 hours to 12.5 hours.

Weather in January

Kieta begins the new year with a humid and relatively stable weather pattern. Notable differences from December include reduction in daylight hours, though only by a minute. Fabrics may take longer to dry in January, as the relative humidity scale rises to 88%. Weather in January »

Weather in February

February in Kieta can seem quite similar to January with modest alterations in climatic parameters. Slightly lower rainfall might signal the arrival of drier days. The town still bathes in warm seawater as the sea temperature persists at 29.8°C (85.6°F). Weather in February »

Weather in March

March continues the wet season trend in Kieta, with an increase in rainfall. The gentle breezes that touched the town in February calm down to 5.4km/h (3.4mph) average wind speed. There's a touch more daylight compared to February, in spite of the increased cloud cover. Weather in March »

Weather in April

The residents of Kieta experience even less sunshine in April, with no huge differences in other climatological parameters from the previous month. A slow decline in sea temperatures begins this month, from 29.8°C (85.6°F) to 30°C (86°F). Weather in April »

Weather in May

May falls within the wet season in Kieta and experiences high precipitation levels, just like April. The town's humidity inches slightly higher to 91%. The sea temperature drops to 29.9°C (85.8°F), still within comfortable limits for water activities. Weather in May »

Weather in June

The story of Kieta's weather continues with June witnessing a further increase in humidity to 92%. The sea temperature continues to decrease, coming down to 29.7°C (85.5°F). Wind speed goes a bit up again, bringing some relief from the high humidity. Weather in June »

Weather in July

The wet season's peak occurs in July, with an average of 430mm (16.93") rain throughout the month. The city's residents continue enduring peak humidity levels. The steady sea temperature softens the effect high humidity has on the overall comfort level. Weather in July »

Weather in August

August presents a slight uptick in rainfall, ensuring Kieta remains green and fertile. The sea temperature further cools to 29°C (84.2°F), which might discourage water activities. The clear, open skies prevail in spite of the high rainfall. Weather in August »

Weather in September

September awaits Kieta's inhabitants with a break from the incessant rain, recording 375mm (14.76") of rainfall instead of August's 511mm (20.12"). The drop in rainfall is accompanied by an increase in sea temperature to 29.2°C (84.6°F). Weather in September »

Weather in October

Kieta's October continues to experience more sunshine hours than September, a welcome change for sun worshippers. In a symphony of climatic changes, the sea temperature increases to 29.7°C (85.5°F). Residents may note the cloud cover changing, though still covering a significant portion of the sky. Weather in October »

Weather in November

November continues the dry season in Kieta. It brings about noticeable changes, such as the lower number of average rainfall days which fall from 29.5 in October to 27.6. The end of the wet season is marked by the return of sunshine levels to 5 hours per day. Weather in November »

Weather in December

December ushers in the year-end with a bit more rainfall than November, though less than the wet season's average. Expect frequent yet short-lived showers throughout the month. The cloud cover reduces slightly, bringing more sunshine to the holiday season. Weather in December »
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Frequently asked questions

What are the least humid months in Kieta?

January and February, with an average relative humidity of 88%, are the least humid months in Kieta.

How many days does it rain in Kieta?

In Kieta, Papua New Guinea, during the entire year, the rain falls for 352.6 days and collects up to 5043mm (198.54") of precipitation.

What are the months with the highest UV index in Kieta?

The months with the highest UV index in Kieta are January, February, September through December, with an average maximum UV index of 6.

What is the driest month in Kieta?

February is the month with the least rainfall in Kieta, Papua New Guinea. Rain falls for 26.8 days and accumulates 281mm (11.06") of precipitation.

What month has the most sunshine in Kieta?

The month with the most sunshine in Kieta is February, with an average of 6.2h of sunshine.

When is the lowest UV index in Kieta?

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

What is the most humid month in Kieta?

The months with the highest humidity in Kieta, Papua New Guinea, are June through August, with an average relative humidity of 92%.

What is the month with the shortest days in Kieta?

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

What part of the year is the coldest in Kieta?

In Kieta, Papua New Guinea, the average lowest temperatures are observed in July, with a high of 25.8°C (78.4°F) and a low of 20.6°C (69.1°F).

What is the wettest month in Kieta?

The month with the most rainfall in Kieta is August, when the rain falls for 30.8 days and typically aggregates up to 511mm (20.12") of precipitation.

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

With an average sea temperature of 29°C (84.2°F), August is the month with the coldest seawater in Kieta, Papua New Guinea.

What is the month with the least sunshine in Kieta?

September has the least sunshine of the year in Kieta, Papua New Guinea, with an average of 4.4h of sunshine.

What is the hottest time of year in Kieta?

Kieta witnesses its peak temperatures during November and December, when the average high-temperature reaches 27.3°C (81.1°F).

What month is the sea warmest in Kieta?

December is the month with the warmest seawater, with an average sea temperature of 30.3°C (86.5°F).

When are the longest days in Kieta?

December has the longest days of the year in Kieta, Papua New Guinea, with an average of 12h and 30min of daylight.

Is there Daylight Saving Time (DST) in Kieta?

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

Average temperature
Kieta, Papua New Guinea

Average temperature - Kieta, Papua New Guinea

The warmest months (with the highest average high temperature) are November and December (27.3°C).
The month with the lowest average high temperature is July (25.8°C).

The month with the highest average low temperature is January (21.7°C).
The coldest month (with the lowest average low temperature) is August (20.5°C).

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Average pressure
Kieta, Papua New Guinea

Average pressure - Kieta, Papua New Guinea

The month with the highest atmospheric pressure is August (1009.9mbar).
The month with the lowest atmospheric pressure is January (1007.1mbar).

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Average wind speed
Kieta, Papua New Guinea

Average wind speed - Kieta, Papua New Guinea

The windiest month (with the highest average wind speed) is July (6.3km/h).
The calmest month (with the lowest average wind speed) is May (4.2km/h).

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Average humidity
Kieta, Papua New Guinea

Average humidity - Kieta, Papua New Guinea

The months with the highest relative humidity are June, July and August (92%).
The months with the lowest relative humidity are January and February (88%).

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Average rainfall
Kieta, Papua New Guinea

Average rainfall - Kieta, Papua New Guinea

The wettest month (with the highest rainfall) is August (511mm).
The driest month (with the least rainfall) is February (281mm).

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Average rainfall days
Kieta, Papua New Guinea

Average rainfall days - Kieta, Papua New Guinea

The months with the highest number of rainy days are July and August (30.8 days).
The month with the least rainy days is February (26.8 days).

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Average sea temperature
Kieta, Papua New Guinea

Average sea temperature - Kieta, Papua New Guinea

The best month for swimming (with the highest average sea temperature) is December (30.3°C).
The coldest month (with the lowest average sea temperature) is August (29°C).

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Average daylight / Average sunshine
Kieta, Papua New Guinea

Average daylight / Average sunshine - Kieta, 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 month with the most sunshine is February (Average sunshine: 6h and 12min).
The month with the least sunshine is September (Average sunshine: 4h and 24min).

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Average sunshine days
Kieta, Papua New Guinea

Average sunshine days - Kieta, Papua New Guinea

The month with the most sunshine days is November (2 days).
The month with the least sunshine days is August (0 days).

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Average UV index
Kieta, Papua New Guinea

Average UV index - Kieta, Papua New Guinea

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

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Average visibility
Kieta, Papua New Guinea

Average visibility - Kieta, Papua New Guinea

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

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Kieta, Papua New Guinea

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