Last updated: February 24, 2025
Waimanalo, United States, in December, experiences a mild tropical climate that invites both locals and visitors to enjoy the beauty of the season. With a maximum temperature reaching 26°C (79°F) and an average of 24°C (75°F), the weather is pleasantly warm, while the minimum dips to a comfortable 20°C (68°F). December brings 63 mm (2.5 in) of precipitation over approximately 8 days, contributing to the island’s lush landscapes. The humidity levels stand at 79%, enhancing the tropical feel, making this month a perfect time to explore Waimanalo's stunning beaches and vibrant surroundings.
In Waimanalo during December, temperatures begin to cool slightly as the year draws to a close, but the coastal locale remains pleasantly warm. With minimum temperatures around 20°C (68°F) and averages settling at a comfortable 24°C (75°F), this month offers a delightful break from the summer heat. Maximum temperatures peak at 26°C (79°F), creating an inviting atmosphere for outdoor activities. The slight dip from the warmer months reflects an overall trend of gradual cooling from November, when averages were higher, yet the region retains its appealing tropical charm, making December an enchanting time to visit.
In Waimanalo, December typically marks the onset of a wetter season, with precipitation levels reaching 63 mm (2.5 in) over about eight days. This amount reflects a noticeable increase compared to the drier months of mid-year, such as July and August, which saw only 13 mm (0.5 in) and 15 mm (0.6 in), respectively. Following a trend observed throughout the year, December's rainfall is higher than the preceding months, including November's 25 mm (1.0 in). The increase in precipitation makes December one of the wetter months, likely contributing to lush landscapes and vibrant ecosystems as the island prepares for the cooler winter months ahead.
December in Waimanalo, United States, brings a humidity level of 79%, slightly lower than the peak of 83% seen during the summer months of July and August. This decline marks the beginning of a gradual drop in moisture, as the area transitions from the warmer, more humid conditions of mid-year. Despite the slight decrease in December, the overall trend throughout the year showcases a steady increase in humidity, beginning at 78% in January and reaching its zenith in the summer. This consistent moisture contributes to Waimanalo's lush landscapes and vibrant ecosystems, making it a breathtaking destination even as the year winds down.
In Waimanalo, December brings a UV Index of 8, categorized as very high, which means that while the risk of harm from unprotected sun exposure remains significant, it’s a slight dip from the extreme values seen in the summer months. As we transition from an intense and consistent pattern of extreme UV levels during the mid-year, characterized by a burn time of just 10 minutes, December offers a more forgiving burn time of 15 minutes. This suggests a shift towards more manageable conditions, yet vigilance is still essential, as December's values mirror those of January and November, maintaining a strong need for sun protection. For more insights into Waimanalo's UV trends, visit Waimanalo UV Index.
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Waimanalo basks in a splendid array of sunshine throughout the year, and December offers a delightful conclusion to the vibrant sunshine season. With 260 hours of golden rays, December enjoys a generous amount of sunlight, albeit slightly less than the peak of summer in July, which boasts an impressive 350 hours. This month serves as a reminder of the gradual transition into winter, with daylight hours decreasing from November's 275 hours. The year’s journey highlights a remarkable upward trend from January's modest 223 hours toward the sun-soaked zenith of June and July. As December arrives, Waimanalo remains a sun-drenched paradise, inviting residents and visitors alike to savor the warm rays before the cooler months take hold.
In Waimanalo, the likelihood of sunny weather sees a notable shift as the year progresses, with a gradual increase in sunshine from January (60%) to its peak in August (74%). However, December presents a stark contrast, with the chance of sun dropping to just 41%. This decrease follows a consistent trend seen in the final months of the year, as November closes at 64% and the sunshine wanes heading into winter. As the festive season approaches, residents and visitors alike should prepare for a less radiant sky, making those rare sunny days in December feel even more special.
As December rolls in, Waimanalo experiences the shortest daylight hours of the year, with just 10 hours of sunlight. This marks a subtle decline from the longer days of the summer months, which peak at 13 hours in June through July. Following a brief resurgence in daylight during the vibrant spring months of March and April, the county's transition into the latter half of the year shows a gradual decrease. By the time December arrives, the trend of diminishing daylight mirrors the seasonal shift towards winter. It’s a reminder of the cyclical nature of time, as daylight grows longer again starting in January, inviting a fresh start to the new year.
As December arrives in Waimanalo, the average wind speed picks up to 7.5 m/s (17 mph), showcasing a noticeable revival compared to the preceding month of November, which saw a dip to 5.1 m/s (11 mph). The tranquil breeziness of late fall quickly transitions into a refreshing gust, typical of the warmer months in this coastal paradise. Interestingly, while the winds seem to surge during the summer, with July recording a peak of 8.7 m/s (19 mph), the end-of-year winds still deliver a captivating dynamic, reminding residents and visitors alike of the island's enchanting weather patterns. Overall, December's winds blend the gentle tranquility of autumn with a spirited breeze that hints at the lively energy of the approaching new year.
The weather in Waimanalo changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Waimanalo and find detailed weather information for every month.
In December, Waimanalo experiences slightly warmer average temperatures, with a minimum of 20°C (68°F) and a maximum of 26°C (79°F). The month sees more precipitation, totaling 63 mm (2.5 in) over about 8 days, contributing to a higher humidity level of 79%. In contrast, January offers a cooler average temperature of 23°C (74°F), with slightly less rainfall—only 16 mm (0.6 in) across 4 days—and a marginally lower humidity of 78%. For a closer look at the weather specifics in January, you can explore Waimanalo weather in January.
In comparing the weather between December and February, both months exhibit warm temperatures, with December experiencing slightly higher averages. December's temperatures range from a minimum of 20°C (68°F) to a maximum of 26°C (79°F), whereas February sees a minimum of 17°C (63°F) and a maximum of 25°C (77°F). Precipitation levels are also similar, with December receiving 63 mm (2.5 in) over 8 days, while February has slightly less at 60 mm (2.4 in) across 9 days. Humidity remains consistent at 79% for both months. For more detailed insights into February's climate, you can visit Waimanalo weather in February.
December and March exhibit similar weather patterns, though with slight variations. In December, temperatures range from a minimum of 20°C (68°F) to a maximum of 26°C (79°F), with an average of 24°C (75°F). Precipitation averages 63 mm (2.5 in) over about 8 days, and humidity is relatively high at 79%. In contrast, March sees a slightly cooler range with temperatures from 19°C (67°F) to 25°C (77°F), and an average of 23°C (73°F). It experiences a similar level of rainfall at 66 mm (2.6 in) across approximately 9 days, with a marginally lower humidity level at 78%. For more detailed insights on March weather, you can refer to Waimanalo weather in March.
When comparing the weather in December and April, both months showcase similar warm temperatures, with December experiencing a minimum of 20°C (68°F) and an average of 24°C (75°F), while April maintains the same minimum and average temperatures but has a slightly lower maximum of 25°C (78°F). Precipitation levels differ notably, with December receiving 63 mm (2.5 in) over 8 days, compared to April's 30 mm (1.2 in) over just 6 days, indicating a drier and perhaps more pleasant atmosphere in April. Humidity remains relatively high in both months, with December at 79% and April slightly higher at 81%. For more detailed insights into April's weather, you can visit Waimanalo weather in April.
In December, the weather tends to be warm with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 26°C (79°F), and an average temperature of 24°C (75°F). This month experiences higher precipitation, totaling 63 mm (2.5 in) over about 8 days, contributing to a humidity level of 79%. In contrast, May sees slightly cooler temperatures, with a minimum of 19°C (66°F) and a maximum of 27°C (80°F), but maintains a similar average of 24°C (76°F). Additionally, May enjoys significantly less rainfall, at 23 mm (0.9 in) across just 4 days, despite having a marginally higher humidity of 82%. For more insights into the weather specifics during this month, you can check Waimanalo weather in May.
In December, temperatures are slightly cooler, ranging from a minimum of 20°C (68°F) to a maximum of 26°C (79°F), with an average of 24°C (75°F). The month experiences more rainfall, with about 63 mm (2.5 in) spread over 8 days, contributing to a humidity level of 79%. In contrast, June offers warmer conditions, with temperatures starting at a minimum of 23°C (74°F) and peaking at 27°C (81°F), averaging 25°C (78°F). Rainfall during June is significantly less, totaling 27 mm (1.1 in) over just 3 days, while humidity slightly rises to 82%. This contrast highlights not only the temperature differences but also the variations in precipitation between the two months. For more detailed insights, you can check out Waimanalo weather in June.
In December, Waimanalo experiences mild temperatures with a minimum of 20°C (68°F) and an average of 24°C (75°F), peaking at around 26°C (79°F). The month sees approximately 63 mm (2.5 in) of precipitation over about 8 days, coupled with a humidity level of 79%. In contrast, July offers slightly warmer conditions, with a minimum of 23°C (74°F) and an average temperature of 26°C (79°F), reaching a maximum of 28°C (82°F). Precipitation in July is significantly lower, at only 13 mm (0.5 in) over just 2 days, though the humidity remains relatively high at 83%. For more detailed information, you can check Waimanalo weather in July.
December and August in Waimanalo offer distinct weather experiences. December has a milder temperature range, with a minimum of 20°C (68°F) and a maximum of 26°C (79°F), compared to August's warmer minimum of 24°C (76°F) and maximum of 28°C (83°F). Additionally, December sees more precipitation, with 63 mm (2.5 in) falling over 8 days, while August enjoys a drier climate with only 15 mm (0.6 in) over just 2 days. Humidity levels are relatively high in both months, but August is slightly more humid at 83% compared to December's 79%. For more details on August weather specifically, you can check Waimanalo weather in August.
In December, the weather typically shows slightly cooler temperatures compared to September, with a minimum of 20°C (68°F) and an average of 24°C (75°F), while September usually has a minimum of 23°C (75°F) and an average of 26°C (79°F). September experiences more sunshine with higher maximum temperatures peaking at 28°C (83°F), compared to December’s maximum of 26°C (79°F). Moreover, December sees more rainfall, accumulating 63 mm (2.5 in) over 8 days, while September has a much drier climate with only 19 mm (0.7 in) over 4 days. Humidity levels are relatively similar, with September at 82% and December averaging 79%. For a detailed look at September's weather in Waimanalo, you can check Waimanalo weather in September.
In comparing the weather between December and October, December tends to be slightly cooler with a minimum temperature of 20°C (68°F) and an average of 24°C (75°F), while October features warmer conditions with a minimum of 23°C (73°F) and an average of 26°C (79°F). Additionally, October experiences slightly less precipitation, totaling 45 mm (1.8 in) over 7 days compared to December's 63 mm (2.5 in) over 8 days. Humidity levels are quite similar, with October at 81% and December slightly lower at 79%. For more insights into October weather, you can visit Waimanalo weather in October.
December weather is slightly cooler than November, with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 26°C (79°F), compared to November's minimum of 21°C (70°F) and maximum of 27°C (82°F). Precipitation also increases in December, with 63 mm (2.5 in) falling over 8 days, whereas November sees only 25 mm (1.0 in) across 6 days. Humidity remains relatively high in both months, with December at 79% and November at 80%. For a more detailed look at November's climate, check out Waimanalo weather in November.
In December, Waimanalo experiences a delightful warmth with moderate temperatures that offer a comforting escape from the chill often felt elsewhere. This month stands out for its increased humidity and occasional rainfall, creating a refreshing atmosphere that breathes life into the lush surroundings. While the temperature remains pleasant, the distinct blend of warmth and wetness sets December apart from other months, inviting both locals and visitors to embrace the island's natural beauty. For a deeper dive into Waimanalo's seasonal patterns, explore more about the weather trends at Waimanalo Climate.