Last updated: February 24, 2025
In December, Kahaluu-Keauhou offers a pleasant tropical climate, with temperatures ranging from a comfortable minimum of 17°C (63°F) to a maximum of 26°C (79°F). The average temperature hovers around 21°C (70°F), making it an enticing destination for those seeking warmth. However, visitors should be prepared for significant rainfall, as the region experiences 198 mm (7.8 in) of precipitation over 24 days, contributing to a humidity level of 81%. This combination of warmth and moisture creates a lush, vibrant atmosphere, ideal for exploring the area's natural beauty and cultural richness.
In Kahaluu-Keauhou, December marks a delightful transition into the cooler months, showcasing a range of pleasant temperatures. With minimums hovering around 17°C (63°F) and averages reaching 21°C (70°F), this month invites visitors to relish the mild tropical climate. The maximum temperature can climb to 26°C (79°F), reminiscent of the warmer summer months. As the year draws to a close, temperatures remain consistently moderate, reflecting a trend of stability throughout the year. This inviting weather creates an ideal backdrop for outdoor activities, allowing locals and tourists alike to enjoy the natural beauty of the region without the sweltering heat of peak summer.
In December, Kahaluu-Keauhou experiences a notable transition in precipitation patterns, with 198 mm (7.8 in) of rain falling over 24 days. This marks a slight decrease from the previous months, reflecting a shift from the heavy downpours typical of the mid-year months like July and June, which recorded over 500 mm of rainfall. Despite the decrease, December still holds onto a significant amount of rainfall, showcasing the region's lush tropical climate. As the year closes, the consistent rainfall continues to support the vibrant local ecosystem while also hinting at the cooler, more variable weather conditions of early winter in this beautiful part of the U.S.
In Kahaluu-Keauhou, December ushers in a humidity level of 81%, marking a subtle decline from the peak averages seen during the summer months. As the year unfolds, the region experiences a steady increase in humidity, starting from 79% in January and February and gradually rising to a notable 84% in August. This rise peaks in the warmer summer months, with July and August consistently showcasing the highest figures. Interestingly, as autumn arrives, the humidity levels remain elevated, fluctuating between 82% and 83% before descending slightly in December. Overall, Kahaluu-Keauhou offers a characteristic tropical climate, with humidity levels consistently hovering around the 80% mark, providing that unique blend of warmth and moisture throughout the year.
In Kahaluu-Keauhou, December marks a transition towards slightly milder UV conditions, with a UV Index of 8, indicating a very high exposure category and a burn time of 15 minutes. This decrease in UV intensity from November's UV Index of 9 reflects a broader trend throughout the year, where the index peaks in the summer months, with values reaching up to 14 in July and August. Overall, the data highlights a consistent pattern of extreme UV conditions from February to September, demanding caution and protection during outdoor activities. For more detailed insights on UV exposure throughout the year, check out the Kahaluu-Keauhou UV Index.
UV Risk Categories
In December, Kahaluu-Keauhou basks in a warm glow of 262 hours of sunshine, reflecting a gradual decline from the sunniest months of July and August when the area enjoyed an impressive 338 and 328 hours respectively. The sunshine starts to wane after the vibrant spring and early summer months, which peak at 331 hours in May and June. Nevertheless, December continues to offer a generous amount of daylight, allowing residents and visitors alike to indulge in outdoor activities and soak in the beauty of the island. As the year concludes, this tropical paradise reminds us that even as the daylight hours diminish, the warmth of the Hawaiian sun remains a cherished highlight.
In Kahaluu-Keauhou, December marks a notable dip in the likelihood of sunny days, with only a 27% chance of sunshine, making it one of the sunniest months of the year. This trend contrasts sharply with February's peak of 49%, hinting at seasonal fluctuations. As the year winds down, cloudier conditions become more prevalent, reflected in the gradual decrease from the relatively brighter November at 36%. Although December's sunshine isn't abundant, those lucky enough to catch a clear day can enjoy the beauty of the region wrapped in its festive spirit.
In Kahaluu-Keauhou, December marks a significant shift in daylight duration, with the month offering only 10 hours of daylight. This decrease is part of a broader seasonal trend, as daylight gradually lengthens from 11 hours in January and February to a peak of 13 hours during the vibrant summer months of May through July. Following this summer zenith, daylight diminishes steadily, dropping to 12 hours in August and September, before further contracting to 11 hours in October and November. Thus, as the year comes to a close, residents experience the shortest days, emphasizing the cyclical nature of sunlight that defines this Hawaiian locale.
In Kahaluu-Keauhou, December brings a gentle average wind speed of 2.6 m/s (6 mph), contributing to the area's pleasant coastal charm. Observing the year’s trends, a gradual increase in wind speeds unfolds from the early months, peaking in the summer with July's high of 3.4 m/s (8 mph). As the year transitions into the cooler months, a slight dip is noticeable in November, dropping to 2.4 m/s, only to rise again slightly in December. This patterns suggest a gradual seasonal ebb and flow, where the balmy trade winds provide a refreshing respite while maintaining the warm, inviting atmosphere characteristic of this beautiful locale.
The weather in Kahaluu-Keauhou 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 Kahaluu-Keauhou and find detailed weather information for every month.
In December, the weather is typically warmer with average temperatures reaching up to 21°C (70°F) and a maximum of 26°C (79°F), while January sees a slight decrease in temperature, averaging around 20°C (69°F) with a maximum of 24°C (75°F). December also experiences more rain, with 198 mm (7.8 in) of precipitation over 24 days, compared to January’s 135 mm (5.3 in) over 20 days. Humidity is slightly higher in December at 81% versus 79% in January, contributing to a more humid environment. For a more detailed look, you can check Kahaluu-Keauhou weather in January.
In comparing the weather between December and February, we see some notable differences. December features slightly warmer temperatures, with a minimum of 17°C (63°F) and a maximum of 26°C (79°F), while February's temperatures range from a minimum of 15°C (60°F) to a maximum of 24°C (76°F). Precipitation is also higher in December, totaling 198 mm (7.8 in) over 24 days, compared to February's 158 mm (6.2 in) over 20 days. Additionally, December is more humid, with an average humidity of 81%, compared to 79% in February. For more specific insights into February weather, you can check Kahaluu-Keauhou weather in February.
In December, temperatures in Kahaluu-Keauhou range from a minimum of 17°C (63°F) to a maximum of 26°C (79°F), with an average temperature of 21°C (70°F). The month experiences relatively high precipitation levels, totaling 198 mm (7.8 in) over 24 days, and humidity peaks at 81%. In contrast, March sees slightly cooler temperatures, with a minimum of 16°C (62°F) and a maximum of 24°C (76°F), averaging 20°C (69°F). While March has a bit lower precipitation at 174 mm (6.8 in) spread over 27 days, humidity is also lower at 77%. For more detailed insights, you can check out Kahaluu-Keauhou weather in March.
In comparing the weather of December and April, we can observe that both months share similar temperature ranges, with minimums of 17°C (63°F) and average temperatures around 21°C (70°F). However, December tends to be slightly warmer with a maximum of 26°C (79°F), while April peaks at 24°C (76°F). Precipitation is notably high in both months, with December receiving 198 mm (7.8 in) over 24 days and April seeing a bit more at 206 mm (8.1 in) over 26 days. Humidity levels are also comparable, at 81% in December and 80% in April. For further details on the April weather specifically, you can visit Kahaluu-Keauhou weather in April.
When comparing the weather in December and May, both months feature similar average temperatures, hovering around 21°C (70°F) to 21°C (71°F). However, December tends to be slightly warmer with maximum temperatures reaching up to 26°C (79°F), while May peaks at a cooler 24°C (76°F). Rainfall is notably higher in May, with 316 mm (12.4 inches) spread over 29 days, compared to December's 198 mm (7.8 inches) over 24 days. Humidity levels are fairly consistent between the two months, with December at 81% and May at 80%. For a more detailed look at May weather specifics, you can check out Kahaluu-Keauhou weather in May.
When comparing the weather in December and June, we see that both months have relatively warm temperatures, but June tends to be slightly warmer overall. December features a minimum temperature of 17°C (63°F) and an average of 21°C (70°F), while June starts a bit higher, with a minimum of 19°C (66°F) and an average of 22°C (72°F).
Precipitation patterns also differ significantly; December experiences about 198 mm (7.8 in) over 24 days, whereas June sees increased rainfall of 377 mm (14.8 in) over 29 days, making it a wetter month. Despite this, humidity remains comparable, with December at 81% and June slightly higher at 82%. For a closer look at weather trends in June, you can refer to this link: Kahaluu-Keauhou weather in June.
When comparing the weather in December and July, both months experience similar maximum temperatures, peaking at 26°C (79°F). However, December tends to be slightly cooler on average with a minimum temperature of 17°C (63°F), compared to July's minimum of 19°C (67°F). Precipitation levels soar in July, with 514 mm (20.2 in) of rainfall over 31 days, making it significantly wetter than December, which sees 198 mm (7.8 in) across 24 days. Additionally, humidity levels are quite comparable, averaging 81% in December and 83% in July. For more specific details on July weather, you can check Kahaluu-Keauhou weather in July.
When comparing the weather in December and August, it is clear that August tends to be both warmer and wetter. December sees temperatures ranging from a minimum of 17°C (63°F) to an average of 21°C (70°F) and a maximum of 26°C (79°F), while August has slightly higher temperatures, starting at a minimum of 20°C (68°F) and averaging 23°C (73°F), with the same maximum of 26°C (80°F). In terms of precipitation, December receives 198 mm (7.8 in) over 24 days, whereas August experiences a significantly higher amount of rainfall at 508 mm (20.0 in) over 31 days. The humidity also remains high in both months, with December at 81% and August at 84%. For a more detailed look at August weather, check out Kahaluu-Keauhou weather in August.
In comparing the weather of December and September, December exhibits slightly cooler temperatures, with a minimum of 17°C (63°F) and an average of 21°C (70°F), while September has a marginally warmer minimum of 20°C (68°F) and an average of 23°C (73°F). Precipitation is also notably different; December records 198 mm (7.8 in) over 24 days, whereas September sees a higher total of 318 mm (12.5 in) across 28 days, indicating a wetter month. Humidity levels remain similar, with December at 81% and September at 82%. For a closer look at September's weather specifics, please visit Kahaluu-Keauhou weather in September.
When comparing the weather in December and October, there are some notable differences. In December, temperatures range from a minimum of 17°C (63°F) to an average of 21°C (70°F), peaking at 26°C (79°F). In contrast, October offers slightly warmer temperatures with a minimum of 19°C (67°F) and an average of 23°C (73°F), while also reaching a maximum of 26°C (79°F). Precipitation is also significantly higher in October, with 302 mm (11.9 in) recorded over 28 days compared to December's 198 mm (7.8 in) across 24 days. Both months have high humidity levels, with December at 81% and October slightly higher at 83%. For a closer look at October weather patterns, you can visit Kahaluu-Keauhou weather in October.
In December, the weather shows a slight decrease in temperature compared to November, with minimums dropping to 17°C (63°F) and maximums reaching 26°C (79°F). The average temperature in December is 21°C (70°F), which is a degree lower than November's average of 22°C (72°F). December also experiences more precipitation, totaling 198 mm (7.8 in) over 24 days, compared to November's 183 mm (7.2 in) over 23 days. Additionally, humidity remains high in both months, though December sees a slight decline to 81% from November's 83%. For a more detailed look at November's weather, visit Kahaluu-Keauhou weather in November.
In December, Kahaluu-Keauhou experiences a shift in weather, contrasting with the drier months that precede it. This month brings an increase in humidity and precipitation, with more days of rain than usual, making it a lush time for the landscape. While temperatures remain mild, peaking at around 26°C, the cooler nights invite cozy evenings. The vibrant foliage thrives under the frequent showers, enhancing the region's natural beauty. For those seeking insights into the seasonal changes that define this coastal paradise, visit Kahaluu-Keauhou Climate.