Last updated: February 24, 2025
Discover the charm of Honolulu in December, where temperatures range from a pleasant 20°C (68°F) to a cozy 26°C (79°F), with an average of 24°C (75°F). This tropical paradise experiences a modest rainfall, accumulating about 63 mm (2.5 in) over approximately 8 days, offering a refreshing respite from the warmth. With humidity levels at 79%, you can expect a lush and vibrant atmosphere, making it the perfect time to explore the stunning landscapes and cultural richness of this vibrant city. Embrace the beauty of the season as Honolulu showcases its tropical allure!
In Honolulu, December welcomes mild and pleasant temperatures, making it an ideal escape for those seeking warmth during the colder months. With a minimum temperature around 20°C (68°F) and an average hovering around 24°C (75°F), visitors can expect comfortable days and balmy evenings. The maximum temperature peaks at 26°C (79°F), showing a slight dip from the warmer summer months. This trend of consistent warmth, characterized by averages between 23°C and 26°C throughout the year, highlights Honolulu's tropical climate, ensuring that even in December, the island remains a paradise for sun-seekers and outdoor enthusiasts alike.
December in Honolulu marks a notable uptick in precipitation, with 63 mm (2.5 in) of rain falling over approximately 8 rainy days. This increase contrasts sharply with the drier summer months of July and August, which record just 13 mm (0.5 in) and 15 mm (0.6 in), respectively. As the year winds down, rainfall becomes more frequent, reflecting a seasonal shift into wetter conditions. The final month of the year sits as one of the wettest, surpassed only by February and March, indicative of the island's tropical climate and the influence of winter weather patterns. This trend not only enriches the lush landscapes of Honolulu but also creates a pleasant contrast with the sunny beach days that characterize other months.
In December, Honolulu experiences a slight dip in humidity, averaging around 79%. This marks a gradual decline from the peak levels of 83% seen in the summer months of July and August. The humidity remains fairly consistent throughout the year, with only minor fluctuations; however, it starts to decrease as the city transitions from the warm summer into the cooler winter months. As temperatures cool slightly and the holiday season approaches, residents and visitors can enjoy a more comfortable atmosphere, yet the humidity still lends that familiar tropical feel typical of this beautiful Hawaiian destination.
In December, the UV Index in Honolulu remains at 8, categorized as very high, indicating a need for protective measures during sun exposure, particularly since the burn time is only 15 minutes. As the year progresses, the UV Index reaches its peak in the summer months, with values soaring to 13 in June, July, and August, characterized by an extreme exposure category and a significantly shorter burn time of just 10 minutes. Overall, this trend underscores the importance of vigilance against UV radiation year-round, especially for those enjoying outdoor activities in this tropical paradise. For more insights, check out the Honolulu UV Index.
UV Risk Categories
December in Honolulu brings a delightful transition into winter, offering 260 hours of sunshine. While the month may not boast the peak daylight of summer, where July shines with an impressive 350 hours, it still enjoys a comfortable amount of sunshine compared to earlier months. The trend showcases a gradual decrease from the brighter days of late spring and summer, specifically from May’s high of 337 hours. December, with its refreshing air and warm temperatures, remains a captivating time to soak up the sun, providing a perfect escape from colder climates. With its consistent sun-soaked days, Honolulu invites visitors to bask in its beauty as they wrap up the year.
In December, Honolulu experiences a notable drop in the likelihood of sunny weather, with only a 41% chance of sunshine. This decrease stands out when compared to the peak months of late spring and summer, such as May and August, which boast chances above 70%. The trend suggests that as the year winds down, cloudy conditions become more common, with November maintaining a higher 64% likelihood of sun, further emphasizing the seasonal shift. This variability underscores the importance of planning ahead if you're dreaming of basking in December's tropical warmth.
In Honolulu, the daylight duration showcases a captivating ebb and flow throughout the year. Starting with 10 hours of daylight in January and December, the length gradually increases to a peak of 13 hours from May through July. This steady rise in light heralds the joy of summer, while the gradual descent in the latter part of the year signals a transition into shorter days. From August to October, daylight tapers off to 11 hours, creating a picturesque backdrop for autumn, before settling back into the warmth of 10 hours during the winter months. The consistent rhythm of day length not only influences daily activities but also enriches the vibrant lifestyle of this island paradise.
As December unfolds in Honolulu, the average wind speed settles at 7.5 m/s (17 mph), bringing a refreshing breeze that is just a shade below the summer highs. This month showcases a slight uptick from the milder 5.1 m/s (11 mph) of November, signaling a return to more invigorating winds typical of the early winter season. Throughout the year, the wind speeds have fluctuated, reaching their peak in July at 8.7 m/s (19 mph), but December's gentle gusts reflect a consistent trend of moderate to strong breezes. Overall, the winds of December provide the perfect backdrop for outdoor activities, enriching the island's tropical charm while inviting both locals and visitors to embrace the refreshing coastal air.
The weather in Honolulu 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 Honolulu and find detailed weather information for every month.
In December, temperatures in Honolulu typically range from a minimum of 20°C (68°F) to a maximum of 26°C (79°F), with an average temperature of 24°C (75°F). This month experiences more precipitation, totaling 63 mm (2.5 in) over about 8 days, and the humidity is relatively high at 79%. In contrast, January sees slightly cooler average temperatures, ranging from a minimum of 20°C (69°F) to a maximum of 25°C (78°F), with an average temperature of 23°C (74°F). Precipitation drops significantly to just 16 mm (0.6 in) over four days, and humidity remains comparable at 78%. For more details, you can check the forecast at Honolulu weather in January.
In December, the weather tends to be slightly warmer with average temperatures ranging from a minimum of 20°C (68°F) to a maximum of 26°C (79°F). The month receives about 63 mm (2.5 in) of precipitation over approximately 8 days, maintaining a humidity level of 79%. In contrast, February experiences a slight dip in temperatures, with averages from a minimum of 17°C (63°F) to a maximum of 25°C (77°F). Precipitation is similar at 60 mm (2.4 in), but it falls over 9 days, keeping the humidity consistent at 79%. For a detailed look at February weather in Honolulu, you can check out Honolulu weather in February.
In December, the weather features slightly warmer temperatures with a minimum of 20°C (68°F) and an average of 24°C (75°F), reaching a maximum of 26°C (79°F). Precipitation during this month is around 63 mm (2.5 in) over approximately 8 days, accompanied by a humidity level of 79%. Conversely, March experiences slightly cooler conditions, with a minimum of 19°C (67°F) and an average temperature of 23°C (73°F), peaking at 25°C (77°F). Rainfall in March increases slightly to 66 mm (2.6 in) over about 9 days, while humidity remains comparable at 78%. For a more detailed look at the weather during this month, you can explore Honolulu weather in March.
In December, the weather features a consistent warmth with minimum temperatures around 20°C (68°F) and average highs of 26°C (79°F). The month sees approximately 63 mm (2.5 in) of rainfall spread over 8 days, contributing to a humidity level of 79%. In contrast, April offers a similarly warm climate, with minimum temperatures remaining at 20°C (69°F) and average highs slightly lower at 25°C (78°F). Precipitation decreases to about 30 mm (1.2 in) over just 6 days, while humidity rises slightly to 81%. For more details on how April weather unfolds, check out Honolulu weather in April.
When comparing the weather in December and May, we can see both similarities and differences. 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). This month experiences about 63 mm (2.5 in) of precipitation over 8 days, resulting in a humidity level of 79%. In contrast, May has slightly lower minimum temperatures at 19°C (66°F) but reaches a maximum of 27°C (80°F), with the same average temperature of 24°C (76°F). May is notably drier, with only 23 mm (0.9 in) of precipitation over 4 days and a humidity level of 82%. This makes May a more comfortable month for outdoor activities. For a deeper look into the weather specifics for May, visit Honolulu weather in May.
In December, the weather is generally warm, with temperatures ranging from a minimum of 20°C (68°F) to a maximum of 26°C (79°F) and an average of 24°C (75°F). This month experiences more rainfall, with about 63 mm (2.5 in) of precipitation spread across 8 days, alongside a humidity level of 79%. In contrast, June tends to be slightly warmer, with minimum temperatures starting at 23°C (74°F) and maximums reaching 27°C (81°F), along with an average temperature of 25°C (78°F). This month sees considerably less precipitation, only around 27 mm (1.1 in) over 3 days, while humidity is marginally higher at 82%. For more details, you can check out Honolulu weather in June.
In December, temperatures in Honolulu range from a minimum of 20°C (68°F) to a maximum of 26°C (79°F), with an average temperature of 24°C (75°F). The month typically experiences 63 mm (2.5 in) of precipitation over about 8 days, contributing to a humidity level of 79%. In contrast, July is slightly warmer, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 28°C (82°F), and an average temperature of 26°C (79°F). July sees significantly less precipitation, averaging only 13 mm (0.5 in) over 2 days, and a humidity level of 83%. This makes July a drier and slightly warmer month compared to December, ideal for outdoor activities. For more details on the climate during this month, check out Honolulu weather in July.
When comparing the weather in December and August, a few key differences stand out. December experiences slightly cooler temperatures, with a minimum of 20°C (68°F) and an average of 24°C (75°F), while August is warmer, starting at a minimum of 24°C (76°F) and averaging 26°C (79°F). Additionally, December sees more precipitation, with 63 mm (2.5 in) over about 8 days, compared to the drier conditions in August, which only has 15 mm (0.6 in) across 2 days. Humidity levels are also noteworthy, as both months are quite humid, but August holds a marginally higher humidity level at 83%, compared to December's 79%. For more details about Honolulu's weather in August, you can check Honolulu weather in August.
In December, the weather tends to be slightly cooler compared to September, with average temperatures ranging between 20°C (68°F) and 26°C (79°F). The month experiences more precipitation, receiving about 63 mm over approximately 8 days, which makes the environment feel more humid, with levels around 79%. In contrast, September offers warmer temperatures, with a minimum of 23°C (75°F) and a maximum of 28°C (83°F), along with less rainfall, totaling 19 mm over just 4 days. September's humidity is also slightly higher at 82%. For a closer look at September conditions, check out Honolulu weather in September.
In December, the weather is generally mild with a minimum temperature of 20°C (68°F) and an average of 24°C (75°F), while October is slightly warmer, with a minimum of 23°C (73°F) and an average of 26°C (79°F). October also boasts higher maximum temperatures, reaching up to 28°C (82°F), compared to December's high of 26°C (79°F). Precipitation in December is greater, with 63 mm (2.5 in) over 8 days, while October experiences 45 mm (1.8 in) of rain over 7 days. Humidity levels are relatively similar in both months, at 79% in December and 81% in October. For more detailed insights, you can check out Honolulu weather in October.
In December, the weather experiences a slight decrease in temperatures compared to November, with December averaging around 24°C (75°F) compared to November's 25°C (77°F). December sees a minimum temperature of 20°C (68°F) and a maximum of 26°C (79°F), while November's temperatures range from 21°C (70°F) to 27°C (82°F). Additionally, December is noticeably wetter, receiving 63 mm (2.5 in) of precipitation over 8 days, in contrast to November's 25 mm (1.0 in) over 6 days. Humidity levels remain relatively similar, at 79% for December and 80% for November. For more detailed information, you can check Honolulu weather in November.
December in Honolulu offers a delightful respite from the year’s heat, characterized by cooler temperatures that invite visitors to explore its stunning landscapes comfortably. While the humidity remains high, typical of the region, the average temperature in December is notably milder than in the peak summer months, creating a pleasantly warm atmosphere for beachgoers and outdoor enthusiasts alike. While rainfall increases slightly, with about eight days of precipitation, it seldom disrupts the charm of the island. Overall, December serves as a transitional month that balances warmth with refreshing breezes, making it a fantastic time to experience the unique beauty of Honolulu. For a deeper dive into the seasonal patterns, check out Honolulu Climate.