August Weather in Goroka, Papua New Guinea

Last updated: August 31, 2025

August in Goroka, Papua New Guinea, offers a vibrant climate characterized by a maximum temperature of 26°C (79°F) and an average of 18°C (65°F), making it a pleasant time for exploration. The minimum temperature dips to a cool 13°C (56°F), providing a refreshing contrast. With precipitation totaling 141 mm (5.6 in) over 22 days, visitors should be prepared for frequent rain, contributing to the region's lush landscapes. High humidity levels at 89% create a tropical ambiance, enhancing the vivid colors and aromas of this unique locale. Enjoy the rich cultural experiences and breathtaking scenery that accompany this dynamic weather pattern.

August Temperature in Goroka

In August, Goroka experiences a mild and temperate climate, with temperatures ranging from a minimum of 13°C (56°F) to a comfortable maximum of 26°C (79°F). The average temperature hovers around 18°C (65°F), reflecting a slight dip compared to the warmer months prior. Notably, this month marks a transition where the cooler temperatures begin to settle, reminiscent of the patterns observed in July and June. As the year progresses, the consistent average of 19°C observed in earlier months is slightly softened, indicating that while the region retains its mildness, there is a subtle shift toward a cooler dry season. This makes August an ideal time for visitors to enjoy the lush landscapes and vibrant culture of Goroka without the extremes of heat.

August Weather in Goroka: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Goroka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Goroka, August typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec676666666665656565666667
Data source: Temperature data for Goroka generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Goroka

In August, Goroka experiences a notable shift in its precipitation patterns, with an average rainfall of 141 mm (5.6 in) over 22 days. This represents a slight increase compared to the previous months of June and July, which recorded 118 mm (4.6 in) and 111 mm (4.4 in), respectively. August marks the transition towards the wetter months of the year, as precipitation begins to rise again in preparation for September's expected total of 181 mm (7.1 in). This gradual uptick serves as a reminder of Goroka's tropical climate, where moisture is abundant—contributing to the region's lush greenery and vibrant ecosystems. The increase in rainy days, albeit modest, signals the approach of the peak rainy season, painting a picture of a landscape continually nourished by the rhythmic embrace of monsoonal rains.

August Precipitation Trends in Goroka

The chart displays monthly precipitation patterns in Goroka, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Goroka, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec345489493374174118111141181206339417
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Goroka

In Goroka, Papua New Guinea, August experiences a slight dip in humidity, averaging around 89%, which is a decrease from the consistently high levels observed throughout the preceding months. While January through July maintain a lofty 91% humidity, August serves as a brief transition toward the drier months ahead. Following this, humidity continues to decline, reaching its lowest point in September at 85%. This pattern suggests that while Goroka sits within a generally humid climate year-round, August marks a subtle easing, hinting at the onset of a drier spell as the year progresses. The humidity levels, while high, reveal a rhythm that adds to the unique climate of this vibrant region.

August Average Humidity in Goroka

This chart illustrates the average monthly humidity levels in Goroka, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Goroka is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%90%90%90%91%91%91%89%85%87%89%90%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Goroka

In Goroka, Papua New Guinea, the August UV Index stands at a striking 15, categorizing it as extreme and maintaining a consistent burn time of just 10 minutes. This month follows a trend observed throughout the year, where the UV Index remains predominantly intense, peaking at 18 in both January and February. As the year progresses, there is a slight dip in UV exposure during May and June, but by August, levels rebound, showcasing the region's relentless sun. With such high UV readings year-round, it's crucial for residents and visitors alike to take precautions to protect their skin. For more insights on UV levels in this vibrant locale, visit Goroka UV Index.

Maximum UV Index Levels in Goroka for August

The chart shows the monthly maximum UV Index (UVI) for Goroka in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Goroka typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161818171412131516161515
Data source: Goroka August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

August Sunshine in Goroka

In August, Goroka basks in the glow of an impressive 252 hours of sunshine, marking it as one of the sunniest months of the year. This bright spell follows a gradual climb in sunshine hours, starting from 182 hours in January and peaking in July with 248 hours. The trend shows a steady increase through the dry season, reflecting a vibrant atmosphere that contributes to Goroka’s lush landscapes. As the days become longer and sunnier, the warmth of August serves as a prelude to the slightly reduced light in September, which still boasts a respectable 238 hours. This seasonal pattern highlights the unique charm of Goroka's climate, making each sunny day an invitation to explore its rich natural beauty.

Monthly Sunshine Duration in Goroka: August Highlighted

The August sunshine duration represents the total number of hours Goroka experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec182h192h189h198h232h236h248h252h238h248h222h226h
Data source: Goroka August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Goroka During August

In Goroka, Papua New Guinea, August marks a noticeable uptick in sunny weather, with a 20% chance of sunshine, compared to the lower probabilities seen in the earlier months. After a gradual increase through the dry season, particularly peaking in June at 26%, August offers a welcome respite from the overcast skies of winter. While not the sunniest month overall, its chance of clear weather is significantly higher than the preceding months of July and the wet months following it. As the year transitions into the vibrant colors of September and October with their 13% and 11% chances, respectively, August stands out as a transitional period where hope for sun shines a little brighter.

Percentage of Sunny Days in August in Goroka

The chart illustrates the percentage of sunny days in Goroka throughout the year, with August highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Goroka experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec6%2%4%6%9%26%15%20%13%11%12%2%
Data source: Goroka August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Goroka in August

In August, Goroka, Papua New Guinea, experiences a consistent 11 hours of daylight, maintaining the trend set in the preceding months of June and July. This gradual decline from the 12-hour days typical in the earlier months of the year signals the region's subtle shift toward the shorter daylight durations that occur during this part of the year. As August progresses, the daylight hours remain stable, creating a harmonious rhythm with Goroka's vibrant cultural landscape, before transitioning back to 12 hours in September. This steady pattern offers a unique charm, reflecting the area's consistent climate and natural beauty, inviting both residents and visitors alike to revel in the captivating experiences under the tropical sun.

Average Daylight Hours in Goroka for August

The chart illustrates the variation in daylight duration in Goroka throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 25m12h 17m12h 7m11h 57m11h 49m11h 45m11h 47m11h 54m12h 3m12h 13m12h 22m12h 27m
Data source: Goroka daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Goroka

In August, Goroka experiences an average wind speed of 1.2 m/s (3 mph), a refreshing breath of air that mirrors the conditions of June and July. This subtle increase in wind speed during the mid-year months creates a pleasant atmosphere, perfect for enjoying the lush landscapes and vibrant culture of Papua New Guinea. As the year progresses, September sees a slight uptick to 1.3 m/s, suggesting a captivating rhythm in wind patterns that brings both comfort and a hint of adventure. Following this gentle breeze, the wind begins to taper off in the subsequent months, reminding us of the serene and tranquil charm that defines Goroka's climate. Overall, the year’s wind speed trends reflect a harmonious balance, enhancing the area's appeal for visitors seeking both relaxation and exploration.

Average August Wind Speed in Goroka

The chart displays monthly wind speed patterns in Goroka, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.21.01.01.01.01.21.31.2 m/s1.31.11.11.0
Data source: Goroka August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Goroka Compares to Other Months

Weather in Goroka varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Goroka, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather of August and January, both months showcase relatively mild temperatures, with January experiencing slightly higher averages: 19°C (67°F) compared to August's 18°C (65°F). Interestingly, January also has a higher maximum temperature of 28°C (82°F) compared to August's peak of 26°C (79°F). However, January is characterized by significantly increased precipitation, totaling 345 mm (13.6 in) over 24 days, which contrasts sharply with August's 141 mm (5.6 in) over 22 days. Both months maintain a consistent humidity level of 89%, creating a humid atmosphere year-round. For a more detailed look at January weather specifics, you can visit Goroka weather in January.

In comparing the weather in August and February, we see that both months feature mild temperatures, with August experiencing a slightly lower minimum average of 13°C (56°F) compared to February's minimum of 14°C (57°F). The average temperatures are quite close, with August averaging 18°C (65°F) and February at 19°C (67°F). However, February is notably wetter, receiving a significant 488 mm (19.2 in) of precipitation over 28 days, compared to August's 141 mm (5.6 in) across 22 days. The humidity remains relatively high in both months, with August at 89% and February slightly higher at 90%. For more detailed information, you can check out Goroka weather in February.

In comparing the weather between August and March, we see notable differences in both temperature and precipitation. August tends to have milder temperatures, with an average of 18°C (65°F) and a maximum of 26°C (79°F), while March has a slightly warmer average of 19°C (66°F) and peaks at 27°C (81°F). Precipitation levels also tell a different story; August experiences 141 mm (5.6 in) of rainfall over 22 days, in contrast to the significantly wetter March, which sees 493 mm (19.4 in) over 31 days. Humidity remains relatively high in both months, with August at 89% and March slightly higher at 90%. For more detailed insights, you can explore Goroka weather in March.

When comparing the weather in August and April, we see some notable differences and similarities. Both months feature a minimum temperature around 13°C (55-56°F) and a maximum temperature peaking at 26°C (79-80°F), resulting in relatively mild conditions. However, April experiences significantly higher precipitation levels, with 374 mm (14.7 in) over 29 days, compared to August's 141 mm (5.6 in) across 22 days. This means April is decidedly wetter, impacting humidity levels slightly, with April hovering around 90% compared to August's 89%. For more detailed insights into Goroka's April weather, you can refer to this link: Goroka weather in April.

When comparing the weather in August and May, both months experience similar temperature ranges, with minimum temperatures around 13°C (56°F) and maximum temperatures reaching up to 26°C (79°F). However, August has a slightly lower average temperature of 18°C (65°F) compared to May's average of 19°C (67°F). Precipitation is more pronounced in May, with 174 mm (6.9 in) over 25 days, while August sees 141 mm (5.6 in) over 22 days. Additionally, humidity levels are slightly higher in May at 91%, compared to 89% in August. For more detailed insights, you can check Goroka weather in May.

In comparing the weather between August and June, both months feature similar average temperatures, hovering around 18°C (65°F) with maximums reaching up to 26°C (79°F). However, August tends to be slightly warmer, with a minimum of 13°C (56°F) compared to June's 12°C (54°F). Additionally, August is characterized by higher precipitation, averaging 141 mm (5.6 in) over 22 days, while June receives 118 mm (4.6 in) across 18 days. Humidity remains high in both months, with August at 89% and June slightly higher at 91%. For more details on June weather, you can visit Goroka weather in June.

In comparing the weather between July and August, we find that both months maintain similar temperature ranges, with July exhibiting a minimum of 12°C and a maximum of 26°C, while August has a slightly higher minimum of 13°C. Both months average 18°C, indicating a consistent climate. However, August sees a notable increase in precipitation with 141 mm over 22 days, compared to July's 111 mm over 19 days. This suggests that August is slightly wetter, despite both months having high humidity levels, with July at 91% and August at 89%. For more detailed information on July weather, you can check Goroka weather in July.

August and September exhibit similar temperature ranges, with both months reaching a maximum of 26°C (79°F) and an average temperature of around 18-19°C (65-66°F). However, September is slightly cooler at night with a minimum temperature of 12°C (54°F) compared to August's 13°C (56°F). Additionally, September sees increased precipitation, with 181 mm (7.1 in) over 25 days, compared to August's 141 mm (5.6 in) over 22 days. Humidity also remains high, though it decreases slightly from 89% in August to 85% in September. For more specific details on the weather in September, you can check Goroka weather in September.

In August, the weather features a mild temperature range with a minimum of 13°C (56°F), an average of 18°C (65°F), and a maximum of 26°C (79°F). The month experiences significant precipitation, totaling 141 mm (5.6 in) across 22 rainy days, accompanied by high humidity levels at 89%. Conversely, October sees a slight increase in average temperature to 19°C (66°F), with maximum temperatures reaching up to 27°C (82°F) while maintaining a minimum of 13°C (55°F). However, October also brings more rainfall, with total precipitation climbing to 206 mm (8.1 in) over 26 days, and humidity remains relatively high at 86%. For a detailed look at weather patterns during this month, visit Goroka weather in October.

In August, the weather in Goroka features mild temperatures, with a minimum of 13°C (56°F), an average of 18°C (65°F), and a maximum of 26°C (79°F). The month experiences significant rainfall, totaling 141 mm (5.6 in) over 22 days, accompanied by high humidity of 89%. In contrast, November brings slightly warmer temperatures, with a similar minimum of 13°C (55°F), an average of 19°C (67°F), and a maximum of 27°C (81°F). However, November sees a considerable increase in precipitation, accumulating 339 mm (13.3 in) across 28 rainy days, while maintaining the same humidity level of 89%. For more details on the weather during this month, you can check out Goroka weather in November.

In Goroka, August and December exhibit relatively mild temperatures, with August showing a slight minimum of 13°C (56°F) and a maximum of 26°C (79°F), while December has a minimum of 14°C (57°F) and a maximum of 27°C (81°F). Both months experience high humidity levels, with August at 89% and December slightly higher at 90%. However, the significant difference lies in precipitation; August receives 141 mm (5.6 in) over 22 days, whereas December sees a substantial increase, with 417 mm (16.4 in) of rainfall spread across 29 days. For more details on the weather conditions in December, you can visit Goroka weather in December.

Compare Goroka's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Goroka

August in Goroka presents a unique blend of mild temperatures and significant rainfall, contrasting sharply with the drier months of the year. With maximums typically reaching 26°C and a cozy average of 18°C, the climate remains comfortable, making it perfect for exploring the vibrant local culture. However, the high humidity at 89% and nearly daily precipitation over 22 days create a lush landscape, emphasizing the region's rich biodiversity. This month stands out for its frequent showers, fostering a verdant environment that’s different from the drier spells experienced earlier in the year. For a deeper dive into Goroka's climate patterns, be sure to check Goroka Climate.