Last updated: February 24, 2025
In December, Kailua-Kona experiences a delightful tropical climate, with maximum temperatures reaching 26°C (80°F) and an inviting average of 22°C (72°F). While the allure of warm weather persists, the month also brings increased precipitation, totaling 188 mm (7.4 in) over 22 days, contributing to the region’s lush landscape. With humidity levels around 81%, visitors can expect a refreshing yet humid environment, perfect for experiencing the vibrant beauty and unique charm of this coastal paradise.
In Kailua-Kona, December ushers in a delightful warmth as temperatures gently transition from the cooler months. With minimums averaging 18°C (64°F) and maximums reaching up to 26°C (80°F), this month's climate remains invitingly mild. The average temperature hovers around 22°C (72°F), reflecting a stable warmth characteristic of this paradise, firmly nestled within the Hawaiian archipelago. This mildness signals a shift from the slightly cooler temperatures of November, while still aligning with the gradual warming trend seen through the year. As the holiday season approaches, visitors can expect pleasant days, making it an ideal time to explore the island's stunning beaches and vibrant culture.
In December, Kailua-Kona experiences a notable shift in precipitation patterns, with 188 mm (7.4 in) of rain spread over 22 days. This marks a decrease from the previous month’s 143 mm (5.6 in) in November, yet it remains part of a trend of increasing rainfall leading into the winter months. The steady rise in precipitation, particularly from May through August, peaks around an impressive 458 mm (18.0 in) in August, before tapering off as the year comes to a close. Despite the slight reduction in total rainfall compared to earlier months, December still showcases the lush, vibrant landscapes that are characteristic of this Hawaiian locale, as it transitions into the drier winter season.
In December, Kailua-Kona experiences a humidity level of 81%, which is characteristic of the region's tropical climate. As the year progresses, humidity tends to rise gradually, peaking in the late summer months of July and August at 83% and 84%, respectively. Following this peak, the humidity remains relatively high through the fall, reflecting a steady trend with November also recording 83%. The slight decrease in humidity from November to December indicates the onset of cooler, drier conditions, typical of Hawaii's winter season. Overall, while December is slightly less humid than the preceding months, the atmosphere remains pleasantly moist, contributing to the region's lush landscapes and vibrant ecosystems.
In Kailua-Kona, December marks the return to a very high UV Index of 8, similar to January, with a burn time of just 15 minutes for unprotected skin. Throughout the year, the region experiences a steady increase in UV intensity, peaking at a remarkable 14 during the hotter summer months of July and August, where the burn time decreases to just 10 minutes. As fall approaches, the UV Index begins to decline, shifting back down to a very high level in November and December. This clear seasonal trend underscores the importance of sun safety, especially during the months of extreme exposure. For more detailed information on UV levels, visit Kailua-Kona UV Index.
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December in Kailua-Kona is a charming blend of warmth and sunshine, offering 262 hours of sunlight that perfectly wraps up the year. As the months progress, there’s a noticeable increase in daylight, peaking in the vibrant summer months of July and August, where residents enjoy about 338 hours of brilliant sunshine. This consistent trend of longer days continues from January's modest 223 hours through to April's 303 hours, gradually building up energy before the summer's zenith. Even as winter approaches, December maintains a respectable amount of sunshine, ensuring that those seeking a slice of paradise can savor a delightful finish to the year. Throughout the seasons, Kailua-Kona remains a sunny haven, enticing visitors and locals alike to bask in its radiant glow.
December in Kailua-Kona sees a 29% chance of sunny weather, which marks a noticeable dip compared to November's 39%. This slight decline aligns with an overall trend of reduced sunshine as the year progresses toward winter. The most sun-drenched months are early in the year, particularly January through April, boasting chances between 35% and 46%. In contrast, summer months like June and July see the least sun at just 25%. As the year wraps up, the likelihood of sunny days in December reflects this seasonal ebb, suggesting that while the sun may be less frequent, the pleasant tropical climate still offers a respite from harsher winter weather found elsewhere.
In Kailua-Kona, December marks the transition to shorter days, with daylight lasting approximately 10 hours. This decrease in sunlight follows a trend observed throughout the year, where daylight gradually increases from a modest 11 hours in January and February to a peak of 13 hours from May to July. As summer wanes and autumn approaches, daylight begins to dwindle again, dropping to 12 hours in August and September, and then settling back to 11 hours in the cooler months of October and November. The pattern highlights a rhythmic ebb and flow of daylight, creating a captivating interplay of light and darkness as the year draws to a close.
As December rolls in, Kailua-Kona continues to experience a gentle and consistent breeze, with average wind speeds stabilizing at 2.2 m/s (5 mph). Throughout the year, the wind patterns have remained relatively steady, showcasing a slight uptick in the summer months of June and July, where speeds reach 2.5 m/s (6 mph). This mild variability makes December’s winds feel comfortably familiar, inviting both residents and visitors to enjoy the serene beauty of the coast. With the winds lingering just enough to stir the tropical scent of the islands, it’s a perfect time to relish outdoor activities while soaking in the warm, inviting atmosphere.
The weather in Kailua-Kona 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 Kailua-Kona and find detailed weather information for every month.
December and January weather in Kailua-Kona displays some similarities, but also notable differences. In December, temperatures range from a minimum of 18°C (64°F) to a maximum of 26°C (80°F), with an average of 22°C (72°F), while January sees slightly cooler temperatures with a minimum of 17°C (63°F) and an average of 21°C (70°F), maintaining the same maximum of 26°C (80°F). December experiences higher precipitation, with 188 mm (7.4 in) spread over 22 days, compared to January's 133 mm (5.3 in) over 19 days. Additionally, December's humidity stands at 81%, slightly above January's 79%. For a detailed look at weather specifics, you can visit Kailua-Kona weather in January.
December and February exhibit relatively mild weather conditions, though December tends to be slightly warmer and wetter. In December, temperatures range from a minimum of 18°C (64°F) to a maximum of 26°C (80°F), with an average temperature of 22°C (72°F). The month sees about 188 mm (7.4 in) of precipitation over 22 days, coupled with a high humidity of 81%. In contrast, February features a slightly cooler climate, with temperatures ranging from 15°C (60°F) to 25°C (78°F) and an average of 21°C (70°F). Additionally, February experiences less rainfall, totaling 149 mm (5.9 in) over 17 days, and slightly lower humidity at 79%. For more detailed information, check out Kailua-Kona weather in February.
In December, temperatures in Kailua-Kona range from a minimum of 18°C (64°F) to a maximum of 26°C (80°F), with an average temperature of 22°C (72°F). This month also sees significant rainfall, with 188 mm (7.4 in) over 22 days and a humidity level of 81%. In contrast, March offers slightly cooler weather, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 25°C (78°F), and an average of 21°C (71°F). Precipitation is also lower in March, totaling 129 mm (5.1 in) over 20 days, with humidity decreasing to 77%. For a detailed look at weather patterns, you can check out Kailua-Kona weather in March. Overall, while both months are warm, December tends to be wetter and slightly more humid than March.
When comparing the weather in December and April, the temperatures remain relatively stable, with both months featuring a minimum temperature of around 18°C (64°F) and an average temperature of 22°C (72°F). However, December sees slightly warmer maximum temperatures at 26°C (80°F) compared to April's 25°C (78°F). Precipitation is more prevalent in April, with 212 mm (8.4 in) over 24 days, compared to December's 188 mm (7.4 in) over 22 days, making April generally wetter. Humidity levels are quite similar, hovering around 80-81%. For more detailed insights about the characteristic weather in April, check out Kailua-Kona weather in April.
When comparing the weather in December and May, both months share similar average temperatures, with December offering a minimum of 18°C (64°F) and May slightly warmer at 19°C (66°F). Both months feature a comfortable average of 22°C (72°F) and a peak temperature of around 26°C (80°F). However, May stands out with significantly higher precipitation, totaling 331 mm (13.1 in) over 28 days, compared to December's 188 mm (7.4 in) spread across 22 days. Humidity levels remain comparable, with December at 81% and May slightly lower at 80%. For more detailed insights, you can explore the Kailua-Kona weather in May.
When comparing the weather in December and June, both months exhibit warm temperatures, with December having a minimum of 18°C (64°F) and an average of 22°C (72°F), whereas June starts slightly warmer with a minimum of 20°C (68°F) and an average of 23°C (73°F). Despite similar maximum temperatures reaching up to 26°C (80°F) in both months, June experiences significantly more rainfall, with 365 mm (14.4 in) over 29 days compared to December's 188 mm (7.4 in) spread over 22 days. Humidity levels remain relatively high in both months, with December at 81% and June at 82%. For a more detailed look at June weather, visit Kailua-Kona weather in June.
When comparing the weather in December and July, it’s evident that both months offer warm temperatures, with December averaging around 22°C (72°F) and July slightly warmer at 23°C (74°F). December sees a minimum temperature of 18°C (64°F) and a maximum of 26°C (80°F), while July ranges from 20°C (68°F) to 27°C (81°F). However, July experiences significantly more rainfall, totaling 387 mm (15.2 in) over 30 days compared to December's 188 mm (7.4 in) over 22 days. The humidity levels are similar in both months, with December at 81% and July at 83%. For more detailed insights on the weather, check out Kailua-Kona weather in July.
In comparing the weather between December and August, it’s clear that August is typically warmer, with average temperatures ranging from a minimum of 21°C (70°F) to a maximum of 28°C (83°F), compared to December's averages of 18°C (64°F) to 26°C (80°F). Additionally, August experiences significantly higher precipitation, with 458 mm (18.0 in) over 30 days, while December sees 188 mm (7.4 in) spread across 22 days. Both months maintain high humidity levels, with August at 84% and December slightly lower at 81%. For a detailed look at the weather specifics, check out Kailua-Kona weather in August.
In comparing the weather between December and September, we see that December tends to be slightly cooler, with average temperatures ranging from a minimum of 18°C (64°F) to a maximum of 26°C (80°F), while September experiences warmer temperatures, with a minimum of 20°C (68°F) and a maximum of 28°C (82°F). Additionally, December has lower total precipitation at 188 mm (7.4 in) over 22 days, compared to September's 286 mm (11.3 in) over 28 days. Humidity levels are fairly similar, with December at 81% and September at 82%. For more details on September's climate, you can check out Kailua-Kona weather in September.
In comparing the weather of December and October, both months display relatively warm temperatures, but December tends to be slightly cooler with an average of 22°C (72°F) compared to October's 23°C (75°F). October experiences a higher minimum temperature at 20°C (67°F), but the maximum temperatures remain similar, with December peaking at 26°C (80°F) and October at 27°C (81°F). Additionally, October sees more rainfall, averaging 230 mm (9.0 in) over 26 days, while December has 188 mm (7.4 in) over 22 days, indicating a wetter October. Humidity levels are close, with October at 83% and December at 81%. For more details, you can check out Kailua-Kona weather in October.
In comparing the weather of December and November, we see a slight dip in minimum temperatures in December, dropping from 19°C (66°F) in November to 18°C (64°F). Both months share the same maximum temperature of 26°C (80°F), but December has a marginally lower average temperature of 22°C (72°F) compared to November's 23°C (74°F). Precipitation is more pronounced in December, with 188 mm (7.4 in) over 22 days, surpassing November's 143 mm (5.6 in) over 20 days. Humidity levels remain high in both months, but December is slightly less humid at 81%, compared to November's 83%. For more details, visit Kailua-Kona weather in November.
As December rolls into Kailua-Kona, the weather shifts to more humid and wetter conditions compared to the drier months earlier in the year. While temperatures remain pleasantly mild, averaging around 22°C (72°F), the increase in precipitation—bringing about 188 mm over 22 days—ushers in a distinct change in the atmosphere. This month experiences a blend of sunny days and unexpected showers, making it a unique time for visitors seeking to soak in the beauty of the Hawaiian landscape. For a deeper understanding of how December fits into the broader climate picture, check out Kailua-Kona Climate.