December Weather in Punalu'u, United States

Last updated: February 24, 2025

December in Punalu'u, United States, offers a delightful tropical escape, with maximum temperatures reaching 28°C (83°F) and an average of 23°C (74°F), perfect for enjoying the outdoors. While temperatures dip to a comfortable minimum of 16°C (61°F), the island experiences a moderate humidity level of 79%, enhancing its lush charm. Visitors should anticipate 79 mm (3.1 in) of rain over 12 days—a testament to the region's dynamic weather patterns. Embrace the warm atmosphere and occasional showers that contribute to Punalu'u's vibrant ecosystem this December.

December Temperature in Punalu'u

In Punalu'u, December showcases delightful tropical warmth, with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 28°C (83°F). This month mirrors the mild conditions of previous months, maintaining an average temperature of 23°C (74°F), which is consistent with the averages seen since late fall. As the year draws to a close, the temperatures remain relatively stable, suggesting a comfortable and inviting atmosphere perfect for outdoor activities. Compared to the slightly cooler temperatures of January, December provides a gentle transition into the new year, still thriving with pleasant warmth that characterizes Punalu'u's tropical climate.

December Weather in Punalu'u: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Punalu'u, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec737272747678797979787673
Data source: Temperature data for Punalu'u generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Punalu'u

In Punalu'u, December emerges as one of the wetter months, with precipitation totaling 79 mm (3.1 in) over 12 days. This marks a notable increase compared to the preceding months, highlighting a trend where the year wraps up with substantial rainfall. As temperatures cool, the consistent precipitation in December contrasts sharply with the drier summer months, such as July and August, which see only about 1.0 inch of rain. Interestingly, December's rainfall is one of the highest for the year, reflecting a shift toward the wetter season. This pattern hints at a lush, vibrant environment, showcasing Punalu'u's unique climate as it transitions from the drier fall months to a wetter winter season.

December Precipitation Trends in Punalu'u

The chart displays monthly precipitation patterns in Punalu'u, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec227677393852282726573279
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Punalu'u

In December, Punalu'u experiences a slight dip in humidity, settling at 79%, which is consistent with the trend observed in the preceding months. The humidity gradually climbs from 78% in January to a peak of 83% in July and August, before beginning a gentle descent. While December's levels are lower than the summer highs, they still reflect a rich and humid environment typical of this coastal region. The overall pattern suggests a distinct fluctuation with the highest moisture levels during the summer, whereas the year concludes with relatively comfortable humidity, making it a pleasant time to enjoy the area’s natural beauty.

December Average Humidity in Punalu'u

This chart illustrates the average monthly humidity levels in Punalu'u, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%78%81%82%82%83%83%82%81%80%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Punalu'u

In December, Punalu'u, United States, experiences a UV Index of 7, categorized as high, which means that while the risk of harm from unprotected sun exposure decreases compared to the peak months, it remains essential to take precautions. With a burn time of approximately 25 minutes, December marks a transition to milder UV levels after several months of extreme exposure, peaking at 13 in the summer months. The gradual decline in UV intensity from November's very high index of 8 showcases the natural ebb and flow of seasonal changes, making December a more forgiving month for outdoor activities. However, it's still wise to stay informed about the daily UV index to ensure safety while enjoying the bright Hawaiian sun. For detailed insights, be sure to check the Punalu'u UV Index.

Maximum UV Index Levels in Punalu'u for December

The chart shows the monthly maximum UV Index (UVI) for Punalu'u in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec810111212131313121187
Data source: Punalu'u December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Punalu'u

In the idyllic locale of Punalu'u, December marks the transition into winter with an average of 252 hours of sunshine, offering a gentle respite from the vibrant summer months. The sunshine hours reveal a clear seasonal trend, peaking dramatically in the summer with 349 hours in July, while tapering off into the cooler months. Notably, as the year closes, December's figures reflect a drop from November's 272 hours, indicating the typical shorter days associated with winter. Despite this reduction, the sunny allure of Punalu'u remains, inviting residents and visitors alike to bask in the warmth of its December sun, which, while less than mid-year, still promises plenty of bright moments to cherish.

Monthly Sunshine Duration in Punalu'u: December Highlighted

The December sunshine duration represents the total number of hours Punalu'u experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec218h250h286h308h337h338h349h338h318h300h272h252h
Data source: Punalu'u December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Punalu'u During December

In Punalu'u, the likelihood of sunny weather sees a notable decline as the year draws to a close, with December experiencing a disappointing 35% chance of sunshine. This marks a significant drop from the earlier months, particularly May and August, which boast a sunny probability of 60%. The trend indicates that while the first half of the year generally brings brighter days, December transitions into a more overcast season, aligning with the colder winter months experienced across much of the United States. As you plan for December in Punalu'u, it's wise to prepare for a less radiant sky compared to the sun-kissed days of summer and early fall.

Percentage of Sunny Days in December in Punalu'u

The chart illustrates the percentage of sunny days in Punalu'u throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Punalu'u experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%57%44%52%60%56%44%60%56%59%55%35%
Data source: Punalu'u December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Punalu'u in December

As December rolls into Punalu'u, the daylight duration dips back to 10 hours, mirroring the shorter days of January. This decrease follows a gradual increase through the spring and summer months, where daylight peaked at 13 hours from May to July. The autumn months, September through November, see a gentle tapering that sets the stage for winter's embrace. Overall, the daylight trends illustrate a striking seasonal rhythm, where longer days invite vibrant summer activities, while the shorter days of winter create a serene atmosphere perfect for reflection and coziness.

Average Daylight Hours in Punalu'u for December

The chart illustrates the variation in daylight duration in Punalu'u throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 59m11h 26m12h 2m12h 38m13h 9m13h 24m13h 15m12h 48m12h 13m11h 37m11h 5m10h 50m
Data source: Punalu'u daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Punalu'u

As December unfolds in Punalu'u, the average wind speed settles at a comfortable 5.0 m/s (11 mph), mirroring the gusts of January and September. This consistency hints at a seasonal stability, particularly following the notable drop in November, which recorded a breezy 3.3 m/s (7 mph). Throughout the year, wind speeds have generally fluctuated, peaking in July at 5.8 m/s (13 mph), suggesting a robust summer breeze. While the winter months tend to soften the wind slightly compared to the summer highs, December maintains a refreshing touch, offering just enough of a gust to invigorate the air and complement the serene coastal landscape of Punalu'u.

Average December Wind Speed in Punalu'u

The chart displays monthly wind speed patterns in Punalu'u, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.04.64.94.34.54.45.84.95.05.23.35.0 m/s
Data source: Punalu'u December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Punalu'u Compares to Other Months

The weather in Punalu'u 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 Punalu'u and find detailed weather information for every month.

December and January in Punalu'u exhibit relatively similar temperature ranges, with December experiencing a minimum of 16°C (61°F) and a maximum of 28°C (83°F), while January sees a slight increase in the minimum to 17°C (63°F) and maintains a maximum of 28°C (82°F). However, January stands out with significantly lower precipitation, totaling 22 mm (0.9 in) over just 6 days compared to December's 79 mm (3.1 in) spread across 12 days. Humidity levels remain comparable, with December at 79% and January slightly lower at 78%. For more specific insights about January weather in Punalu'u, you can visit Punalu'u weather in January.

December and February in Punalu'u exhibit quite similar weather patterns, with December experiencing slightly warmer average temperatures at 23°C (74°F) compared to February's 22°C (72°F). Both months have a minimum temperature of 16°C (61°F) and maximum temperatures hovering around 28°C (82°F for February and 28°C (83°F) for December). Precipitation is comparable as well, with December receiving 79 mm (3.1 in) over 12 days and February slightly less at 76 mm (3.0 in) over 13 days. Humidity remains constant at 79% for both months, contributing to the tropical feel of the region. For more detailed weather insights, you can visit Punalu'u weather in February.

In December, the weather features a pleasant range of temperatures with a minimum of 16°C (61°F) and an average of 23°C (74°F), while reaching a maximum of 28°C (83°F). The month sees 79 mm (3.1 in) of precipitation over approximately 12 days, maintaining a relatively high humidity level of 79%.

In contrast, March shows slightly warmer conditions with a minimum temperature of 18°C (64°F) and an average of 22°C (73°F), peaking at 29°C (84°F). The precipitation is similar, totaling 77 mm (3.0 in), but over 16 days, which indicates more frequent rain showers. Humidity levels remain comparable at 78%.

For more detailed insights into March weather, you can explore Punalu'u weather in March.

In December, the weather remains warm with temperatures ranging from a minimum of 16°C (61°F) to a maximum of 28°C (83°F), accompanied by an average temperature of 23°C (74°F). This month witnesses more rainfall, with around 79 mm (3.1 in) of precipitation spread over 12 days, and humidity levels at a comfortable 79%.

In contrast, April features slightly warmer nights, with a minimum temperature of 17°C (63°F) and a maximum of 29°C (84°F), while the average remains the same at 23°C (74°F). Precipitation is significantly lower at 39 mm (1.5 in) over 11 days, and humidity rises slightly to 81%. For more detailed insights on the climate, you can check Punalu'u weather in April.

In December, the weather features temperatures ranging from a minimum of 16°C (61°F) to a maximum of 28°C (83°F), with an average temperature of 23°C (74°F). During this month, the region experiences around 79 mm (3.1 in) of precipitation over 12 days, accompanied by a humidity level of 79%. In contrast, May presents slightly warmer conditions, with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 30°C (87°F) and an average temperature of 24°C (76°F). Precipitation decreases to 38 mm (1.5 in) over the same number of days, although humidity rises slightly to 82%. For a closer look at the weather specifics in May, you can check out Punalu'u weather in May.

In comparing the weather between December and June, December features slightly cooler temperatures, with a minimum of 16°C (61°F) and a maximum of 28°C (83°F), while June offers warmer conditions, ranging from a minimum of 21°C (70°F) to a maximum of 31°C (88°F). December also experiences more rainfall, accumulating 79 mm (3.1 in) over 12 days, in contrast to June's lighter precipitation of 51 mm (2.0 in) across 9 days. Humidity remains relatively high in both months, with December at 79% and June slightly higher at 82%. For more details on June weather, you can refer to Punalu'u weather in June.

In December, the weather is characterized by slightly cooler temperatures, with a minimum of 16°C (61°F) and an average of 23°C (74°F), while the maximum reaches 28°C (83°F). This month also sees more precipitation, with 79 mm (3.1 in) occurring over 12 days and humidity levels at 79%. In contrast, July experiences warmer conditions, with minimum temperatures around 22°C (71°F), an average of 26°C (79°F), and a maximum of 31°C (88°F). Rainfall is significantly lower, totaling 28 mm (1.1 in) over 11 days, alongside slightly higher humidity at 83%. For a closer look at Punalu'u's July conditions, check out Punalu'u weather in July.

In December, the weather is typically milder with average highs around 28°C (83°F) and lows of 16°C (61°F), while August boasts warmer conditions, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 32°C (89°F). December experiences more precipitation, averaging 79 mm (3.1 in) across about 12 days, compared to August which is relatively drier with only 27 mm (1.0 in) over 8 days. Despite December's somewhat higher humidity at 79%, August has slightly higher humidity levels at 83%. For more detailed insights on August weather, you can check Punalu'u weather in August.

In comparing the weather between December and September, it's clear that September tends to be warmer, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 32°C (89°F). In contrast, December has cooler temperatures, with a minimum of 16°C (61°F) and a maximum of 28°C (83°F). While December experiences more precipitation, totaling 79 mm (3.1 in) over 12 days, September boasts significantly less rain at just 26 mm (1.0 in) over 7 days. Humidity remains relatively high in both months, at 79% in December and 82% in September. For a more detailed look at conditions specific to September, you can check Punalu'u weather in September.

In comparing the weather between December and October, we see some notable differences. December features cooler temperatures, with a minimum of 16°C (61°F) and an average of 23°C (74°F), while October is warmer, starting at a minimum of 21°C (69°F) and averaging 26°C (78°F). October also boasts higher maximum temperatures, reaching up to 31°C (88°F), compared to December’s peak of 28°C (83°F). Precipitation is more abundant in December, with 79 mm (3.1 in) over 12 days, compared to October's 57 mm (2.2 in) over 11 days. Humidity levels are slightly higher in October at 81%, while December enjoys 79% humidity. For a detailed look at October weather, visit Punalu'u weather in October.

In comparing the weather of December and November, we see distinct differences in temperature and precipitation patterns. December experiences a slight decrease in minimum temperatures, with lows around 16°C (61°F), compared to November's warmer minimum of 19°C (67°F). The average temperature also dips slightly from November's 24°C (76°F) to December's 23°C (74°F). Furthermore, December brings increased precipitation, with 79 mm (3.1 in) of rain over 12 days, contrasting sharply with November's much lower 32 mm (1.3 in) during the same number of days. Humidity remains similar, at around 79% in December and 80% in November. For a detailed look at the weather in November, you can visit Punalu'u weather in November.

Compare Punalu'u's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Punalu'u

As December arrives in Punalu'u, the weather showcases a fascinating transition from the warmer months. With average temperatures settling at a pleasant 23°C (74°F) and humidity levels hovering around 79%, visitors can expect a mild yet distinctly tropical climate. While December does see an increase in precipitation, with over 79 mm falling across approximately 12 days, this adds a refreshing touch to the lush landscape rather than dampening spirits. Overall, December’s weather highlights the beauty of the island's tropical charm, making it a splendid time to experience the unique allure of Punalu'u. For a deeper look at this captivating climate, visit Punalu'u Climate.