Last updated: February 24, 2025
Experience the December weather in Koloa, United States, where the tropical charm shines through even in winter. With maximum temperatures reaching 27°C (81°F) and an average of 22°C (72°F), the days remain pleasantly warm. Nighttime brings a cool respite with temperatures dipping to a minimum of 17°C (63°F). While rainfall is a recurring theme this month, delivering 97 mm (3.8 in) spread over 16 days, it adds to the lush scenery that characterizes this beautiful locale. The humidity level sits at a comfortable 79%, enhancing the refreshing atmosphere of Koloa as it embraces its seasonal charm.
In Koloa, United States, December welcomes the crisp embrace of winter, with temperatures gently shifting from the milder conditions of November. This month sees a minimum temperature of 17°C (63°F), dipping slightly lower than the preceding months, while the average settles at a comfortable 22°C (72°F), perfect for outdoor activities. With maximum temperatures reaching up to 27°C (81°F), December provides a pleasant contrast to the colder climates elsewhere, inviting visitors to enjoy the subtropical charm of the island. As the year draws to a close, Koloa continues to maintain its inviting warmth, sustaining a climate that captures the essence of Hawaii's allure and the spirit of winter sunshine.
In December, Koloa experiences a notable increase in precipitation, with 97 mm (3.8 in) of rainfall measured over 16 days. This marks a peak in the wet season, following a gradual rise in moisture levels throughout the months. Compared to the relatively drier November, which received 55 mm (2.2 in), December's precipitation is a striking reminder of the island's lush environment. The rainfall begins to accumulate as winter approaches, contributing to the vibrant landscapes Koloa is known for. While the frequency of rainy days is consistent with the earlier months, the distinct uptick in total precipitation underscores December as a critical month for replenishing the region's water supply.
In Koloa, United States, December brings a slight dip in humidity, averaging 79%, which aligns closely with the more moderate levels seen earlier in the year. As we transition from the peak humidity months of July and August, both sitting at 83%, the overall trend showcases a gradual decrease in moisture content. This end-of-year decline follows a seasonal pattern, where humidity starts to rise from January through the summer months before gently tapering off in late autumn and winter. With the fluctuation remaining within a comfortable range, December offers a refreshing respite while still retaining a touch of the island's tropical allure.
As December rolls into Koloa, the UV Index begins to show a slight decline, settling at 7, which falls into the high exposure category. This is a refreshing change from the extreme levels often seen in the summer months, giving residents and visitors alike a bit more leeway with their sun time, allowing for a burn time of 25 minutes before needing to seek shade. Compared to the start of the year, when readings reached as high as 13, December's UV Index provides a reminder of the seasonal shift; however, it's still essential to practice sun safety. To learn more about the UV Index trends and how to prepare for your outdoor activities, check out Koloa UV Index.
UV Risk Categories
In Koloa, December brings a delightful close to the year with 254 hours of sunshine, adding a warm glow to the holiday season. As the year progresses, it's fascinating to observe the trend of increasing daylight, peaking in the vibrant summer months of July and August with an impressive 348 hours and 335 hours, respectively. Interestingly, as we transition from the sun-drenched summer to the cooler winter months, December's sunniest days decrease, reflecting a gradual decline from the high of May's 332 hours. This pattern not only highlights Koloa's distinct seasonal rhythm but also assures residents and visitors alike that while the days may shorten, a generous amount of sunshine still graces the beautiful landscape as the year draws to a close.
As December unfolds in Koloa, the likelihood of enjoying sunny weather takes a noticeable dip, with only a 33% chance of sunshine. This is a significant drop compared to previous months, where the chances ranged from 44% to 58% during the vibrant summer and shoulder seasons. The trend reveals a distinct seasonal shift; while spring and summer months flirt with higher probabilities of clear skies, December marks the onset of gray, overcast days, aligning with the region's cooler and wetter winter climate. If you’re hoping for sunny adventures this month, it might be wise to manage expectations!
In Koloa, United States, the rhythm of daylight plays a captivating role throughout the year, peaking in the vibrant months of May through July with a maximum of 13 hours of sunshine. As we transition into December, the daylight dips back down to 10 hours, mirroring the shorter days at the year's beginning in January. This cyclical pattern reveals a consistent trend of gradually increasing daylight from winter to summer, followed by a gentle decline back into winter. The mild variations across the months highlight the tropical charm of Koloa, making each season uniquely enchanting while maintaining a steady embrace of natural light.
In December, Koloa experiences a refreshing rise in average wind speed to 4.1 m/s (9 mph), making it one of the breezier months of the year. This increase follows a notable dip in November, where winds slowed to 2.7 m/s (6 mph), showcasing a clear seasonal shift. As the year wraps up, December’s winds complement the island's tropical charm, providing a delightful contrast to the milder conditions earlier in the autumn months. Interestingly, while summer months like July boast the highest speeds at 4.3 m/s (10 mph), December holds its own, reminding us that the winds of Koloa bring a vibrant energy to both the cool and warm seasons. This trend hints at a dynamic coastal climate, inviting locals and visitors alike to embrace the invigorating breezes that December offers.
The weather in Koloa 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 Koloa and find detailed weather information for every month.
December and January exhibit similar average temperatures, with December experiencing a range from 17°C (63°F) to 27°C (81°F), while January's temperatures range from 18°C (65°F) to 26°C (79°F). However, January typically sees lower precipitation, averaging just 38 mm (1.5 in) over 10 days, compared to December's heftier 97 mm (3.8 in) across 16 days. Additionally, humidity levels in both months remain quite comparable, with December at 79% and January slightly lower at 78%. For more specific insights on January weather, you can refer to Koloa weather in January.
December and February exhibit similar weather patterns, though there are some notable differences. December tends to be slightly warmer, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 27°C (81°F), while February sees a minimum of 15°C (59°F) and a maximum of 26°C (79°F). Precipitation in December is also greater, with 97 mm (3.8 in) falling over 16 days compared to February's 84 mm (3.3 in) over 15 days. Both months share a humidity level of 79%, creating a consistently tropical atmosphere. For a detailed look at conditions during February, you can visit Koloa weather in February.
In December, the weather is characterized by slightly warmer temperatures, with a minimum of 17°C (63°F) and an average of 22°C (72°F), peaking at a maximum of 27°C (81°F). The month experiences moderate rainfall, with 97 mm (3.8 in) of precipitation spread over 16 days and a high humidity level of 79%.
Conversely, March brings a marginally higher minimum temperature of 18°C (64°F) and a slightly lower average of 21°C (71°F), reaching a maximum of 26°C (80°F). However, the rainfall increases significantly to 136 mm (5.4 in) over 19 days, while humidity remains similar at 78%. For more detailed information on the weather during this time, you can explore Koloa weather in March.
Comparing the weather in December and April, both months showcase similar average temperatures ranging from a minimum of about 17-18°C (63-64°F) to a maximum of 27°C (81°F). However, December tends to be a bit wetter, with 97 mm (3.8 in) of precipitation over 16 days, compared to April's 61 mm (2.4 in) over 17 days. Additionally, while December has a slight edge in humidity at 79%, April is only slightly higher at 81%. For more detailed insights into April weather, you can explore Koloa weather in April.
December and May present a contrast in weather, with both months enjoying mild temperatures. In December, the average temperature ranges from a minimum of 17°C (63°F) to a maximum of 27°C (81°F), accompanied by a higher precipitation level of 97 mm (3.8 in) over 16 days and a humidity of 79%. May, while slightly warmer with temperatures ranging from 18°C (64°F) to 28°C (83°F), sees significantly less precipitation at 52 mm (2.1 in) across 17 days and a humidity of 82%. This makes May generally drier and slightly warmer compared to December. For more details, you can check out Koloa weather in May.
Comparing the weather in December and June reveals notable differences and similarities. December features a slightly cooler temperature range, with a minimum of 17°C (63°F) and an average of 22°C (72°F), while June sees a warmer minimum at 21°C (69°F) and a similar average of 24°C (76°F). Precipitation is more prevalent in December, with 97 mm (3.8 in) falling over 16 days compared to June's 80 mm (3.1 in) over 17 days. Both months experience high humidity, with December at 79% and June slightly higher at 82%. For more specific details about June weather, you can check Koloa weather in June.
In December, the weather in Koloa features milder temperatures, with a minimum of 17°C (63°F), an average of 22°C (72°F), and a maximum of 27°C (81°F). The month experiences considerable precipitation, totaling 97 mm (3.8 in) over 16 days, while humidity levels sit at 79%. In contrast, July tends to be warmer, starting at a minimum of 21°C (70°F) and peaking at 29°C (84°F), with an average of 25°C (77°F). Although July sees less total rainfall at 54 mm (2.1 in) over 23 days, it comes with a slightly higher humidity level of 83%. For more details on July weather in Koloa, visit Koloa weather in July.
The weather in December contrasts with that of August, showcasing a shift in temperature and precipitation patterns. In December, temperatures range from a minimum of 17°C (63°F) to a maximum of 27°C (81°F), with an average of 22°C (72°F). This month also experiences higher rainfall, with 97 mm (3.8 in) of precipitation over 16 days, and a humidity level of 79%. In comparison, August is warmer, with a minimum of 21°C (70°F) and a maximum of 30°C (86°F), averaging 25°C (78°F). Rainfall is lighter, totaling 54 mm (2.1 in) over 18 days, and humidity is slightly higher at 83%. For a detailed look at Koloa's weather specifics during August, you can visit Koloa weather in August.
In comparing the weather of December and September, we observe that December has a slightly cooler temperature range, with a minimum of 17°C (63°F) and a maximum of 27°C (81°F), averaging 22°C (72°F). In contrast, September features warmer conditions, with minimum temperatures at 21°C (71°F) and maximums reaching 30°C (86°F), averaging 25°C (78°F). Precipitation is more considerable in December, totaling 97 mm (3.8 in) over 16 days, while September sees less rainfall at 49 mm (1.9 in) over the same number of days. Humidity levels are similar, with December at 79% and September slightly higher at 82%. For more detailed information, check out Koloa weather in September.
In comparing the weather between December and October, December experiences slightly cooler temperatures, with minimums around 17°C (63°F) and maximums reaching 27°C (81°F), while October's temperatures range from a minimum of 20°C (68°F) to a maximum of 29°C (85°F). Despite December's average temperature being lower at 22°C (72°F), it sees a bit more precipitation, with 97 mm (3.8 in) over 16 days compared to October's 89 mm (3.5 in) across 20 days. Both months have relatively high humidity, with December at 79% and October slightly higher at 81%. For more details on October weather, you can visit Koloa weather in October.
December typically sees slightly cooler temperatures compared to November, with average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 27°C (81°F) in December, compared to November's minimum of 19°C (67°F) and maximum of 28°C (83°F). Additionally, December experiences more precipitation, totaling 97 mm (3.8 in) over 16 days, while November has less rainfall at 55 mm (2.2 in) across 19 days. Humidity levels remain relatively similar, with December recording 79% and November at 80%. For a detailed look at the weather conditions in November, check out Koloa weather in November.
As December unfolds in Koloa, the weather embraces a unique charm characterized by mild temperatures and increased humidity, setting it apart from the drier months. With a max of 27°C and a comfortable average of 22°C, the atmosphere invites outdoor exploration, although visitors should be prepared for occasional rain, as December sees an uptick in precipitation with about 16 rainy days contributing to a total of 97 mm. This blend of warm days and higher moisture resonates with the lushness that Hawaii is known for. To delve deeper into how Koloa's December weather fits into its overall climate, check out Koloa Climate.