Climate and monthly weather forecast
Finschhafen, Papua New Guinea

Classified under the Köppen climate classification as Af, Finschhafen is a town located in the Morobe Province of Papua New Guinea and it possesses characteristics of a tropical rainforest climate. The geography of Finschhafen, as well as its climatic conditions, correspond with consistent high humidity, abundant rainfall year-round, and little annual temperature variation.

Looking at the data, the town experiences no major fluctuations in its climate factors throughout the year. The sea temperature hovers consistently around the high to mid twenties Celsius with the highest recorded average being 30.2°C (86.4°F) in December and the lowest 27.8°C (82°F) in the month of August.

Daylight hours in Finschhafen present a slight but noticeable pattern with the lengthiest average daily sunlight of 12.5 hours occurring in January and December and slightly shorter days from June to September where daylight hours average between 11.7 hours and 11.9 hours.

Taking into account the stable weather conditions, the optimal time to visit Finschhafen largely is based on personal preference. For tourists who enjoy basking under the sun and delight in longer daylight hours, January and December are ideal months to visit. The sea temperature during these months rises to an invigorating 30.2°C (86.4°F), while the town also experiences an average of 12.5 hours of daylight.

While Finschhafen maintains a consistent climate, some may find the shorter daylight periods less appealing. If maximum daylight is a priority, the months from June to September might not provide the desired experience as daylight hours hover around a lower average of 11.7 to 11.9 hours.

Spring unfolds in Finschhafen with steady and warm sea temperatures as well as balanced daylight hours. March, April, and May see sea temperatures average from 29.6°C (85.3°F) to 29.2°C (84.6°F), while daylight averages from 12.1 hours to 11.8 hours.

Summer, spanning June, July, and August, still promises pleasing weather conditions. Sea temperatures dip slightly during this period, averaging between 28.9°C (84°F) in June to the annual low of 27.8°C (82°F) in August. Daylight periods also experience a minor reduction, with averages from 11.7 hours to 11.9 hours.

Finschhafen experiences a slight increase in sea temperatures during the autumn months of September, October, and November, averaging from 28.3°C (82.9°F) to 29.7°C (85.5°F). Daylight hours subtly start to extend, offering averages from 12.1 hours to 12.4 hours.

December heralds the start of winter in Finschhafen. During this period, sea temperatures peak at a balmy 30.2°C (86.4°F) while daylight hours stretch to their peak of 12.5 hours. While the winter season elsewhere often signifies a dip in temperatures, Finschhafen continues to revel in its beautifully consistent tropical climate.

The weather in January displays the signature characteristics of Finschhafen, Papua New Guinea’s tropical climate. An annual high sea temperature is noted during this part of the year, reaching to an average of 29.7°C (85.5°F). Weather in January »

Comparatively speaking, February represents continuity in terms of weather conditions from the previous month. Average sea temperature falls by only a slight margin to 29.6°C (85.3°F). The daylight duration remains almost unchanged, bringing in familiar warmth throughout the month. Weather in February »

When going into March, the city of Finschhafen does not witness significant climatic deviations. Interestingly, the average sea temperature remains consistent at 29.6°C (85.3°F) as seen in the previous month. Despite slightly lowering daylight hours, the tropical heat is consistently present during the day. Weather in March »

April weather in Finschhafen presents a slight shift. This month records an increase in sea temperature, averaging at a balmy 29.8°C (85.6°F). Despite the marginal decrease in daylight hours, the warmth generated aids localised evaporation. Weather in April »

Stepping into May, there is a noticeable cooling effect on the seas around Finschhafen with an average temperature of 29.2°C (84.6°F). The reduced daylight hours and the declining sea temperatures coincide, signaling a shift in the seasonal cycle. Weather in May »

Entering the month of June, Finschhafen experiences further cooling with the average sea temperature decreasing to 28.9°C (84°F). Daylight hours remain almost unaffected with a minimum of 11.7 hours observed during the month. The weather continues to remain warm and humid despite these changes. Weather in June »

When it comes to July, wavering weather trends turn towards a slight decline. The sea temperature drops to an average of 28.3°C (82.9°F), marking the coolest point in the year. The local weather remains hospitable, sustaining the ongoing cycle of life and regeneration. Weather in July »

The beginning of August marks a further drop in sea temperature to 27.8°C (82°F), recording the lowest average of the year. However, the sun continues to shine brightly over Finschhafen for nearly 12 hours a day. Its tropical weather, notwithstanding the slight variations, supports an affluent biodiversity. Weather in August »

Moving into September, Finschhafen weather shows a positive trend with the sea temperature rising to an average 28.3°C (82.9°F). Daylight hours modestly increase, adding to the overall heat experienced. This positive shift in weather conditions initiates a warm welcome to the upcoming months. Weather in September »

October caters to a splendid showcase of tropical weather in Finschhafen. A gradual warming trend resumes with marine temperatures displaying an upward curve. The progressively warmer waters cue the land and sea breezes that characterize this coastal city. Weather in October »

November's tropical weather presents a familiar warmth around Finschhafen. Improvement in climatic conditions is noted with a rise in the sea temperature to an average of 29.7°C (85.5°F). The subtly increased daylight period contributes to maintaining the city’s tropical facade. Weather in November »

In December, Finschhafen unfolds its warmest weather of the year with the sea temperature averaging at 30.2°C (86.4°F). Coupled with an equal highest daylight span of 12.5 hours, the increased heat significantly contributes to the tropical vibe of the region. Weather in December »