Last updated: August 31, 2025
December in Neiafu, Tonga offers a delightful tropical experience characterized by warm temperatures and substantial rainfall. Daily maximums reach around 28°C (83°F), while the average hovers at a comfortable 26°C (79°F), with lows dipping to 23°C (73°F). This month sees 204 mm (8.0 in) of precipitation spread over 22 days, creating a lush landscape. Humidity levels remain high at 84%, adding to the island's tropical charm. Whether you're lounging on the beach or exploring local attractions, December's warm, humid climate promises a memorable experience in this South Pacific paradise.
In Neiafu, Tonga, December ushers in a delightful warmth, with temperatures ranging from a pleasant 23°C (73°F) at night to a comfortable 28°C (83°F) during the day, averaging around 26°C (79°F). This month sets the stage for the tail end of the hot season, maintaining trends seen throughout the year where temperatures stay consistently mild to warm. As the final month of the year, December experiences a slight increase in nighttime warmth compared to November, hinting at the gradual rise as the season transitions towards the peak of summer. With such inviting temperatures, it’s an ideal time for beach outings and exploring the stunning natural beauty that Tonga has to offer.
In December, Neiafu, Tonga experiences a notable increase in precipitation, receiving 204 mm (8.0 in) over approximately 22 days of rain. This marks a continuation of the wet season, where the precipitation trends show a gradual rise from earlier months. Notably, December's rainfall is significantly higher than the drier months of June through August, which collectively average only around 100 mm. As the year draws to a close, the combination of moisture and increased rainfall days indicates a shift towards more frequent rain, preparing the landscape for the subsequent peak wet months of January and February. This pattern highlights the island’s dynamic climate, where the festive season is often accompanied by lush greenery thanks to the nourishing rains.
As December arrives in Neiafu, Tonga, the humidity levels reach a notable 84%, reflecting the tropical climate's characteristic stickiness. This month ties with October for the highest humidity recorded in the year, signaling a trend towards increased moisture as the year draws to a close. Notably, the humidity remains largely consistent throughout the year, fluctuating only slightly between 77% in June and 84% in December. The slight dip during the mid-year months is quickly eclipsed by the return of higher humidity in the final quarter, as both October and December showcase the island's lush, humid environment that is typical of its tropical setting.
In December, Neiafu, Tonga experiences one of its peaks in UV exposure, with the UV Index soaring to 16, categorizing it as extreme. This matches the intensity seen in January and February, where the burn time remains a mere 10 minutes for unprotected skin. As the year winds down, the UV Index maintains a high level, with other months showing fluctuating but generally high readings. For instance, while March to April dip slightly with a UV Index of 15 and 12 respectively, they still pose a significant risk. The transition into the quieter months of winter shows a decrease in UV levels, but December's extreme classification is a reminder of the sun's powerful presence in this vibrant region. For more details, check out the complete Neiafu UV Index.
UV Risk Categories
December in Neiafu, Tonga, shines spectacularly, marking the climax of a year rich in sunshine. With 303 hours of daylight, December not only outshines every other month but also showcases a consistent upward trend in sunlight hours as the year progresses. Starting from 227 hours in January, the days gradually lengthen, peaking in the festive final month. Each month reveals a gradual increase, reflecting a shift from the cooler winter months of earlier in the year, culminating in a vibrant tapestry of warmth and light that heralds the summer season. As residents and visitors bask in the golden rays of December, it’s a brilliant reminder of the island’s natural beauty and the joy that accompanies the holiday season.
In Neiafu, Tonga, the likelihood of sunny weather in December reaches 47%, marking a slight increase from the preceding months. This trend reflects a transition towards sunnier conditions as the year draws to a close, notably higher than January's mere 15% and steadily rising until November's 46%. The islands experience an upward trajectory in sunshine probabilities from April's 49%, peaking in September with 54%, before gradually cycling back to a more moderate likelihood through the later months. Thus, while December offers a decent chance for sun, it serves as a pleasant reminder of the warmer, brighter days ahead.
In Neiafu, Tonga, December ushers in a delightful return to longer days, offering 13 hours of daylight that inspire a sense of warmth and vibrancy. This sunshine-laden month mirrors January's brightness, framing the year in a rhythm of light and shadow. As the transition from summer to autumn unfolds, daylight gradually diminishes from 12 hours in February through to 11 hours from April to September, creating a steady but predictable pattern. However, just as the year begins to draw to a close, daylight resurges in October and November, hinting at the return of the longer days, culminating once again in December's generous hours of sunlight. This cyclical dance of daylight not only enhances the island's natural beauty but also enriches the vibrant lifestyle of its residents and visitors alike.
In Neiafu, Tonga, December brings a gentle calm, with average wind speeds dipping to 5.5 m/s (12 mph), mirroring the conditions of November. This tranquil conclusion to the year contrasts with the more invigorating breezes of earlier months, particularly from May through October, when winds consistently hovered around 7 m/s (16 mph) or more. The transition into the summer months showcases a noticeable variability, with January's lighter winds gradually giving way to the lively gusts of mid-year, before tapering off as the year closes. December’s soothing winds create a perfect backdrop for quiet reflection, hinting at a serene holiday season while providing a subtle reminder of the power of nature that was so prevalent earlier in the year.
Weather in Neiafu varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Neiafu, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather displays a warm tropical climate characterized by temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (83°F), with an average of 26°C (79°F). The month sees significant rainfall, totaling 204 mm (8.0 in) over 22 days, contributing to high humidity levels of 84%.
In contrast, January experiences slightly warmer temperatures, with a minimum of 24°C (75°F), an average of 27°C (81°F), and a maximum of 29°C (84°F). However, it also brings increased rainfall, accumulating 316 mm (12.4 in) over 17 days, while maintaining a humidity level of 82%. For more detailed information, you can check Neiafu weather in January.
December and February exhibit warm weather patterns, but they also show notable differences in precipitation levels. In December, the temperature ranges from a minimum of 23°C (73°F) to a maximum of 28°C (83°F), with an average of 26°C (79°F). Precipitation is quite significant, totaling 204 mm (8.0 in) over 22 rainy days, contributing to a high humidity level of 84%.
In contrast, February is slightly warmer, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 29°C (85°F), averaging 27°C (81°F). However, February sees a much higher rainfall of 401 mm (15.8 in) over 21 days, resulting in a somewhat lower humidity of 82%. For more detailed insights into February weather, you can visit this link: Neiafu weather in February.
In comparing the weather between December and March, December tends to be slightly cooler, with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (83°F), while March sees a slightly warmer range with minimums at 25°C (77°F) and maximums at 29°C (84°F). Both months witness significant rainfall, with December receiving 204 mm (8.0 in) and March slightly less at 183 mm (7.2 in), although both months have rain on approximately 22 days. Humidity is also marginally lower in March at 81% compared to December's 84%. For a detailed overview of March’s climate, you can check Neiafu weather in March.
In December, the weather remains warm with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (83°F), accompanied by high humidity levels at 84%. However, the month is characterized by significant rainfall, totaling 204 mm (8.0 in) over 22 days. In contrast, April experiences slightly warmer temperatures, with a minimum of 24°C (76°F) and a maximum of 29°C (84°F), while the humidity decreases slightly to 81%. Rainfall in April is also substantial at 229 mm (9.0 in), but it occurs over fewer days, just 18. For more detailed insights on weather patterns, check out Neiafu weather in April.
December and May exhibit striking similarities in temperature, with both months averaging around 26°C (79°F) and reaching maximums of 28°C (83°F). However, December is slightly wetter, receiving 204 mm (8.0 in) of precipitation over 22 days compared to May's 210 mm (8.3 in) across 18 days. Humidity is also marginally higher in December at 84%, compared to May's 82%. For a closer look at the specific weather conditions you can expect, check out Neiafu weather in May.
In December, the weather is generally warmer with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (83°F) and an average of 26°C (79°F). This month also sees a higher level of precipitation, with 204 mm (8.0 in) over 22 days and humidity levels at 84%. In contrast, June experiences slightly cooler temperatures, with a minimum of 22°C (73°F), a maximum of 27°C (81°F), and an average of 25°C (78°F). Precipitation is significantly lower in June, totaling 91 mm (3.6 in) across 15 days, and humidity dips to 77%. For a closer look at the weather in June, visit Neiafu weather in June.
December and July display notable differences in weather patterns. In December, temperatures are slightly warmer with a minimum of 23°C (73°F) and an average of 26°C (79°F), peaking at 28°C (83°F). However, this month also sees higher precipitation levels, totaling 204 mm (8.0 in) over approximately 22 days, coupled with higher humidity at 84%. In contrast, July experiences milder temperatures, ranging from a minimum of 21°C (70°F) to a maximum of 27°C (81°F), with an average of 24°C (76°F). Precipitation is significantly lower in July, amounting to 104 mm (4.1 in) over 14 days, and humidity is relatively lower at 78%. For a detailed view of July weather in Neiafu, you can check Neiafu weather in July.
In December, the weather is generally warmer and more humid compared to August. With temperatures ranging from a minimum of 23°C (73°F) to a maximum of 28°C (83°F), December sees an average temperature of 26°C (79°F). The month also experiences considerable rainfall, totaling 204 mm (8.0 in) over 22 days, contributing to a high humidity level of 84%. In contrast, August has slightly cooler temperatures, with a minimum of 21°C (71°F) and a maximum of 27°C (80°F), averaging 24°C (76°F). Precipitation is significantly lower in August, at 110 mm (4.3 in) over 12 days, with a humidity level of 79%. For more detailed information about August weather, you can check Neiafu weather in August.
In comparison to September, December experiences slightly warmer temperatures, with average highs reaching 28°C (83°F) compared to September's 27°C (80°F). The minimum temperatures in December are also marginally higher, starting at 23°C (73°F), versus September's 21°C (71°F). December tends to be much wetter, receiving 204 mm (8.0 in) of rainfall over 22 days, whereas September has only 97 mm (3.8 in) over 12 days. Both months are relatively humid, but December's humidity is higher at 84% compared to September's 81%. For a closer look at September weather details, you can check Neiafu weather in September.
In comparing the weather between December and October, we observe some intriguing similarities and differences. Both months maintain a warm climate, with December offering slightly higher temperatures, averaging 26°C (79°F) compared to October's 25°C (77°F). While the minimum temperatures are fairly close, December tends to peak at a warmer 28°C (83°F) versus October's maximum of 27°C (80°F). Precipitation is more substantial in December, with 204 mm (8.0 in) over 22 days, compared to October's 177 mm (7.0 in) across 20 days. Despite these differences in rainfall and temperature, both months share a consistent humidity level of 84%. For more detailed information about October weather, you can check Neiafu weather in October.
In comparing the weather patterns of November and December, December exhibits slightly warmer temperatures, with an average of 26°C (79°F), compared to November's 25°C (78°F). While both months have similar maximum temperatures, December's minimum temperature is 23°C (73°F), just one degree higher than November’s 22°C (72°F). However, December is notably wetter, receiving 204 mm (8.0 in) of precipitation over 22 days, in contrast to November's 115 mm (4.5 in) across 15 days. Humidity remains relatively consistent, with December at 84% and November at 83%. For more detailed insights, you can check out Neiafu weather in November.
December in Neiafu marks a significant shift in weather, embracing the warmth of summer with average temperatures reaching around 26°C (79°F). This month is characterized by high humidity levels of 84%, and a noticeable increase in rainfall, with over 22 days of precipitation accumulating to 204 mm (8.0 in). Compared to the drier months preceding it, December envelops the region in a lush, tropical atmosphere, making it a vibrant time to explore the beauty of Neiafu. To dive deeper into what you can expect throughout the year, check out Neiafu Climate.