Climate and monthly weather forecastKieta, Papua New Guinea
Climate and monthly weather forecast
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 »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
Average pressure
Kieta, Papua New Guinea
- Average pressure in January:
1007.1mbar - Average pressure in February:
1007.6mbar - Average pressure in March:
1008mbar - Average pressure in April:
1008.7mbar - Average pressure in May:
1009.3mbar - Average pressure in June:
1009.5mbar
- Average pressure in July:
1009.4mbar - Average pressure in August:
1009.9mbar - Average pressure in September:
1009.8mbar - Average pressure in October:
1009.5mbar - Average pressure in November:
1008mbar - Average pressure in December:
1007.2mbar
The month with the highest atmospheric pressure is August (1009.9mbar).
The month with the lowest atmospheric pressure is January (1007.1mbar).
Average wind speed
Kieta, Papua New Guinea
- Average wind speed in January:
5.7km/h - Average wind speed in February:
6km/h - Average wind speed in March:
5.4km/h - Average wind speed in April:
4.3km/h - Average wind speed in May:
4.2km/h - Average wind speed in June:
4.8km/h
- Average wind speed in July:
6.3km/h - Average wind speed in August:
5.8km/h - Average wind speed in September:
5.3km/h - Average wind speed in October:
4.7km/h - Average wind speed in November:
4.6km/h - Average wind speed in December:
4.7km/h
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).
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%).
Average rainfall
Kieta, Papua New Guinea
- Average rainfall in January:
385mm - Average rainfall in February:
281mm - Average rainfall in March:
442mm - Average rainfall in April:
490mm - Average rainfall in May:
449mm - Average rainfall in June:
417mm
- Average rainfall in July:
430mm - Average rainfall in August:
511mm - Average rainfall in September:
375mm - Average rainfall in October:
493mm - Average rainfall in November:
367mm - Average rainfall in December:
403mm
The wettest month (with the highest rainfall) is August (511mm).
The driest month (with the least rainfall) is February (281mm).
Average rainfall days
Kieta, Papua New Guinea
- Average rainfall days in January:
29.4 days - Average rainfall days in February:
26.8 days - Average rainfall days in March:
29.7 days - Average rainfall days in April:
28.9 days - Average rainfall days in May:
30.3 days - Average rainfall days in June:
29.8 days
- Average rainfall days in July:
30.8 days - Average rainfall days in August:
30.8 days - Average rainfall days in September:
29.8 days - Average rainfall days in October:
29.5 days - Average rainfall days in November:
27.6 days - Average rainfall days in December:
29.2 days
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).
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).
Average daylight / Average sunshine
Kieta, Papua New Guinea
- Average daylight in January:
12h and 24min - Average daylight in February:
12h and 18min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 0min - Average daylight in May:
11h and 48min - Average daylight in June:
11h and 48min
- Average daylight in July:
11h and 48min - Average daylight in August:
11h and 54min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 12min - Average daylight in November:
12h and 24min - Average daylight in December:
12h and 30min
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).
- Average sunshine in January:
5h and 36min - Average sunshine in February:
6h and 12min - Average sunshine in March:
4h and 48min - Average sunshine in April:
4h and 54min - Average sunshine in May:
4h and 48min - Average sunshine in June:
4h and 42min
- Average sunshine in July:
4h and 30min - Average sunshine in August:
4h and 30min - Average sunshine in September:
4h and 24min - Average sunshine in October:
4h and 48min - Average sunshine in November:
5h and 0min - Average sunshine in December:
5h and 12min
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).
Average sunshine days
Kieta, Papua New Guinea
- Average sunshine days in January:
1.3 days - Average sunshine days in February:
1.1 days - Average sunshine days in March:
1 days - Average sunshine days in April:
0.7 days - Average sunshine days in May:
0.3 days - Average sunshine days in June:
0.2 days
- Average sunshine days in July:
0.1 days - Average sunshine days in August:
0 days - Average sunshine days in September:
0.1 days - Average sunshine days in October:
1.1 days - Average sunshine days in November:
2 days - Average sunshine days in December:
1.5 days
The month with the most sunshine days is November (2 days).
The month with the least sunshine days is August (0 days).
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).
Average cloud cover
Kieta, Papua New Guinea
The month with the most cloud cover is July (Cloud cover 74).
The month with the least cloud cover is February (Cloud cover 66).
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).





