August Weather in Nuku'alofa, Tonga

Last updated: August 31, 2025

In August, Nuku'alofa, Tonga, experiences a mild and pleasant climate characterized by a maximum temperature of 25°C (78°F) and an average of 22°C (73°F). The minimum temperature typically hovers around 20°C (68°F), providing comfortable conditions for both locals and visitors. This month sees approximately 83 mm (3.3 in) of precipitation spread over about 10 days, making it a transitional period towards the drier season. With a humidity level of 76%, the air remains relatively fresh, enhancing the tropical charm of this Pacific island paradise.

August Temperature in Nuku'alofa

In Nuku'alofa, Tonga, August marks the cusp of winter, showcasing pleasantly mild temperatures that are perfect for enjoying the island's natural beauty. With minimum temperatures hovering around 20°C (68°F) and maximums reaching 25°C (78°F), the island experiences a slight dip in warmth compared to the balmy summer months. The average temperature sits comfortably at 22°C (73°F), providing a refreshing reprieve from the heat of previous months. This consistent climate trend reflects a gradual cooling from the scorching summer highs, making August an ideal time for comfortable outdoor activities and tranquil explorations. As the season progresses, visitors can easily embrace the serene atmosphere while soaking in the beauty of Tonga.

August Weather in Nuku'alofa: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Nuku'alofa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nuku'alofa, 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).
JanFebMarAprMayJunJulAugSepOctNovDec798079787675737273747678
Data source: Temperature data for Nuku'alofa generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Nuku'alofa

In Nuku'alofa, Tonga, August typically experiences a notable dip in precipitation, with just 83 mm (3.3 in) of rain accumulating over 10 days. This marks a significant decrease from the hefty downpours seen in the earlier months, particularly in March, which recorded the highest rainfall at 300 mm (11.8 in). As the winter months progress, a gradual tapering off of rain is evident, with June and July already showcasing lighter totals of 101 mm (4.0 in) and 113 mm (4.4 in), respectively. The transition into August highlights the onset of drier conditions that will carry through to the following months, ultimately providing a brief respite before the rainy season picks up again. This trend underscores the dynamic climate of Nuku'alofa, shifting from wet to drier periods, which shapes the region's lush landscapes and vibrant ecosystems.

August Precipitation Trends in Nuku'alofa

The chart displays monthly precipitation patterns in Nuku'alofa, 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 Nuku'alofa, August typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2352943002381961011138313513588163
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Nuku'alofa

August in Nuku'alofa, Tonga, experiences a humidity level of 76%, which marks a continuation of the cooler, drier trend seen since June. This slight dip from the preceding months signifies a shift from the high humidity that characterizes the earlier parts of the year, where levels hovered around 81% to 83% from January through May. As the year progresses towards the wetter season, humidity begins to climb again in September, but August provides a brief respite from the intense moisture, offering a more comfortable atmosphere for residents and visitors alike. Overall, Nuku'alofa's humidity paints a picture of a tropical climate with seasonal fluctuations that add to its charm.

August Average Humidity in Nuku'alofa

This chart illustrates the average monthly humidity levels in Nuku'alofa, 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 Nuku'alofa is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%81%82%81%74%76%76%78%81%82%83%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Nuku'alofa

In August, Nuku'alofa experiences a UV Index of 10, categorizing it as very high, with a burn time of just 15 minutes. This marks a slight decrease from the peak of January through April, where UV levels soared to extreme heights of 16 to 11. Nonetheless, the trend remains significant, continuing the pattern of elevated UV exposure during the Southern Hemisphere's summer months. As autumn approaches, September will see a return to an extreme category with a UV Index of 11, underscoring the importance of sun protection. For travelers and locals alike, staying informed is crucial; for more details, please visit the Nuku'alofa UV Index.

Maximum UV Index Levels in Nuku'alofa for August

The chart shows the monthly maximum UV Index (UVI) for Nuku'alofa 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 Nuku'alofa typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161514119781011131516
Data source: Nuku'alofa 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 Nuku'alofa

In August, Nuku'alofa basks in an impressive 254 hours of sunlight, making it a delightful time for sun-seekers. This month continues the trend of steady sunshine that begins in the earlier months of the year. Following the slightly lower hours of June, the sunshine hours rebound nicely, with August boasting more sunlight than both April and May. The warmth builds as the year progresses, culminating in November and December when Nuku'alofa enjoys its sunniest days, peaking at 302 and 313 hours respectively. This consistent pattern not only provides a bright backdrop for outdoor adventures but also indicates that the summer months are a prime time for visitors to embrace the tropical allure of Tonga.

Monthly Sunshine Duration in Nuku'alofa: August Highlighted

The August sunshine duration represents the total number of hours Nuku'alofa 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.
JanFebMarAprMayJunJulAugSepOctNovDec239h270h269h249h242h230h242h254h250h282h302h313h
Data source: Nuku'alofa August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nuku'alofa During August

In August, the likelihood of sunny weather in Nuku'alofa, Tonga, stands at 42%, providing a fair chance for visitors to bask in the tropical sunshine. This marks a slight dip compared to the peak in July at 45%, while still remaining considerably brighter than the earlier months of the year. As the seasons transition, August maintains a solid probability of clear skies, reflective of the general trend that summer months—particularly from June to October—offer more sunshine than the preceding winter months. With a promising average, August is an excellent time to enjoy outdoor activities and explore the stunning beauty of Tonga’s landscapes.

Percentage of Sunny Days in August in Nuku'alofa

The chart illustrates the percentage of sunny days in Nuku'alofa 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 Nuku'alofa experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec14%28%30%39%30%40%45%42%41%39%35%48%
Data source: Nuku'alofa August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nuku'alofa in August

In Nuku'alofa, Tonga, daylight duration experiences a fascinating rhythm throughout the year. Starting with a generous 13 hours in January, the days gradually shorten, reaching their minimum of 10 hours in both June and July. However, as August rolls around, daylight makes a gentle comeback, returning to 11 hours. This pattern of increasing daylight continues into the latter months, with October and November enjoying 12 and 13 hours, respectively. The seasonal ebb and flow of sunlight not only shapes daily life but also enhances the vibrancy of the island’s tropical landscape, making each month a unique experience.

Average Daylight Hours in Nuku'alofa for August

The chart illustrates the variation in daylight duration in Nuku'alofa throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 14m12h 45m12h 10m11h 34m11h 4m10h 51m10h 58m11h 24m11h 58m12h 35m13h 7m13h 22m
Data source: Nuku'alofa daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Nuku'alofa

August in Nuku'alofa, Tonga ushers in a refreshing breeze, with an average wind speed of 7.5 m/s (17 mph) that is notably higher than the preceding months. This increase in wind speed signals the heart of winter in the Southern Hemisphere, where the winds intensify before gradually softening into spring. After a slight dip during the earlier months, particularly in April and November, the wind dances gracefully back up in August, aligning with the trend of stronger gusts typically seen during the mid to late year. Following August, wind speeds slightly decrease again in September but maintain a robust pace through October, hinting at a dynamic climate that keeps the coastal atmosphere invigorated. Thus, August serves as a vital moment in the seasonal wind patterns, setting the stage for the transitions ahead.

Average August Wind Speed in Nuku'alofa

The chart displays monthly wind speed patterns in Nuku'alofa, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.07.05.85.08.37.16.77.5 m/s6.37.45.26.2
Data source: Nuku'alofa August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Nuku'alofa Compares to Other Months

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

In comparison, August and January present distinctly different weather patterns. August has a milder climate with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 25°C (78°F), alongside humidity at 76% and 10 days of precipitation totaling 83 mm (3.3 in). In contrast, January is warmer, featuring temperatures that range from a minimum of 24°C (75°F) to a maximum of 28°C (83°F), with a higher humidity level of 83% and significantly more rainfall—235 mm (9.2 in) spread over 17 days. For a closer look at weather specifics, you can explore Nuku'alofa weather in January.

When comparing the weather between August and February, one can notice a distinct contrast in temperatures and rainfall. August typically offers milder temperatures, with averages around 22°C (73°F) and a maximum of 25°C (78°F), while February features warmer conditions with averages reaching 26°C (80°F) and maximums of 28°C (83°F). However, February also experiences significantly higher precipitation, with 294 mm (11.6 in) over about 20 days, compared to August's 83 mm (3.3 in) spread across 10 days. The humidity levels are relatively high in both months, at 76% in August and 82% in February, contributing to the overall tropical climate. For more detailed weather insights, check out Nuku'alofa weather in February.

In August, the weather tends to be milder, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 25°C (78°F), and an average of 22°C (73°F). This month experiences approximately 83 mm (3.3 in) of precipitation over around 10 days, coupled with a humidity level of 76%.

In contrast, March brings warmer temperatures, with minimums of 23°C (74°F) and maximums reaching 28°C (83°F), averaging 26°C (79°F). However, this month sees a significant increase in rainfall, totalizing around 300 mm (11.8 in) over about 20 days, alongside a slightly higher humidity of 81%. For more detailed insights, you can check out Nuku'alofa weather in March.

Overall, while August offers a more temperate climate, March is marked by higher temperatures and considerably more rainfall.

When comparing the weather in August and April, we see notable differences. August temperatures range from a minimum of 20°C (68°F) to a maximum of 25°C (78°F), with an average of 22°C (73°F). In contrast, April is warmer, with temperatures starting at 23°C (74°F) and peaking at 28°C (82°F), averaging 26°C (79°F). Additionally, April experiences significantly higher rainfall, with 238 mm (9.4 in) over 16 days, compared to August's 83 mm (3.3 in) across 10 days. Humidity is also slightly higher in April at 82%, compared to 76% in August. For more detailed information, you can check Nuku'alofa weather in April.

When comparing the weather in August and May, we see some notable differences. In August, temperatures range from a minimum of 20°C (68°F) to a maximum of 25°C (78°F), with an average of 22°C (73°F) and a relatively high humidity level of 76%. Precipitation in August totals 83 mm (3.3 in) over about 10 days. Conversely, May boasts slightly warmer temperatures, with a minimum of 21°C (70°F) and a maximum of 27°C (81°F), leading to an average of 25°C (76°F). However, May experiences significantly more rainfall, with a total of 196 mm (7.7 in) across 14 days and a higher humidity of 81%. For those looking for detailed weather insights, check out Nuku'alofa weather in May.

In comparing the weather of August and June, both months experience warm temperatures, with August showing a slightly lower average of 22°C (73°F) compared to June's 24°C (75°F). The maximum temperature in June reaches 26°C (79°F), just a degree higher than August's maximum of 25°C (78°F). Precipitation is more abundant in June, with 101 mm (4.0 in) of rain over 11 days, while August sees relatively less rainfall at 83 mm (3.3 in) over 10 days. The humidity levels are similar, with August at 76% and June just slightly lower at 74%. For more detailed information about June weather in Nuku'alofa, you can check this link: Nuku'alofa weather in June.

In comparing the weather of August and July, both months experience relatively similar temperatures, with July having a slightly higher average of 23°C (73°F) compared to August's 22°C (73°F). The maximum temperatures for both months remain constant at 25°C (78°F). However, July sees more rainfall, with a total of 113 mm (4.4 in) spread over 11 days, while August has less precipitation, measuring 83 mm (3.3 in) over 10 days. Humidity levels remain the same for both months at 76%. For more detailed insights into July's weather, you can refer to Nuku'alofa weather in July.

August and September exhibit similar temperature ranges, with both months experiencing minimums around 20°C (68°F) and maximums reaching 25°C (78°F). However, September tends to be slightly warmer on average, at 23°C (73°F). Notably, September also sees an increase in precipitation, totaling 135 mm (5.3 in) over 13 days, compared to August's 83 mm (3.3 in) spread over 10 days. The humidity also rises slightly in September, reaching 78%. For more detailed insights, you can check out the Nuku'alofa weather in September.

In August, the weather features a mild temperature range with a minimum of 20°C (68°F), an average of 22°C (73°F), and a maximum of 25°C (78°F). The month sees about 83 mm (3.3 in) of precipitation spread over 10 days, coupled with a humidity level of 76%. Conversely, October experiences a similar temperature profile but with a slightly warmer average of 23°C (74°F) while maintaining the same maximum of 25°C (78°F). However, October brings increased rainfall, totaling 135 mm (5.3 in) across 13 days and higher humidity at 81%. For more details, check out Nuku'alofa weather in October.

August and November in Nuku'alofa present slightly different weather patterns, though both months retain a tropical charm. In August, temperatures range from a minimum of 20°C (68°F) to a maximum of 25°C (78°F), with an average of 22°C (73°F). The month sees about 83 mm (3.3 in) of precipitation spread over 10 days, accompanied by a humidity level of 76%. In contrast, November tends to be a bit warmer, with temperatures starting at 21°C (69°F) and peaking at 27°C (82°F), averaging 24°C (76°F). Rainfall is slightly higher at 88 mm (3.5 in) over 12 days, and humidity rises to 82%. For a detailed look at what to expect, check out Nuku'alofa weather in November.

The weather in August and December displays notable differences, particularly in temperature and precipitation. In August, temperatures range from a minimum of 20°C (68°F) to a maximum of 25°C (78°F), with an average of 22°C (73°F) and a humidity level of 76%. In contrast, December experiences warmer conditions, with temperatures ranging from a minimum of 22°C (73°F) to a maximum of 28°C (82°F) and an average of 25°C (78°F). Additionally, December sees significantly higher precipitation, totaling 163 mm (6.4 in) over 17 days, compared to August's 83 mm (3.3 in) over 10 days. This increase in humidity to 83% in December further contributes to the feeling of warmth and moisture in the air. For a more detailed look at December weather, you can check out the following link: Nuku'alofa weather in December.

Compare Nuku'alofa's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Nuku'alofa

In August, Nuku'alofa experiences notably milder temperatures compared to other months, creating a comfortable atmosphere perfect for outdoor exploration. With an average temperature around 22°C (73°F), it provides a refreshing escape from the heat often felt during the summer. However, you may encounter occasional rainfall, with precipitation spread over about 10 days, which contributes to the lush greenery of the island. The humidity level at 76% adds a tropical touch, but overall, the weather remains pleasant. This unique blend of warmth and moisture makes August an appealing time to visit. For more insights into the climatic patterns, explore the details on Nuku'alofa Climate.