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December Weather in Hanama'ulu, United States

Last updated: June 24, 2025

In December, the average temperature in Hanama'ulu, United States hovers around 23°C (74°F), providing a pleasant climate. Expect a minimum of 19°C (66°F) and a maximum of 26°C (79°F), perfect for outdoor activities. However, be prepared for some rain, as 127 mm (5.0 in) of precipitation is spread over 21 days. With an average humidity of 79%, it's a great time to enjoy the lush surroundings!

December Temperature in Hanama'ulu

In December in Hanama'ulu, the average temperature is 23°C (74°F). Maximums can reach 26°C (79°F), and minimums can be as low as 19°C (66°F). This mild climate makes Hanama'ulu an ideal destination for outdoor activities and sightseeing during this time of year.

December Weather in Hanama'ulu: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Hanama'ulu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hanama'ulu, December typically has an average temperature of 23°C (74°F), with highs reaching up to 26°C (79°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec727171737476777878777573
Data source: Temperature data for Hanama'ulu generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Hanama'ulu

In Hanama'ulu in December, the total precipitation amount reaches 127 mm (5.0 in) over the course of 21 days.

December Precipitation Trends in Hanama'ulu

The chart displays monthly precipitation patterns in Hanama'ulu, 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. In Hanama'ulu, December typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec60941568063928080659576127
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Hanama'ulu

In Hanama'ulu in December, humidity is 79%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities a bit less comfortable, urging travelers to seek shade and hydration throughout the day.

December Average Humidity in Hanama'ulu

This chart illustrates the average monthly humidity levels in Hanama'ulu, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Hanama'ulu is approximately 79%, offering insight into how humid the weather typically is during this month.
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 Hanama'ulu

In Hanama'ulu in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Hanama'ulu.

Maximum UV Index Levels in Hanama'ulu for December

The chart shows the monthly maximum UV Index (UVI) for Hanama'ulu 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. In December, the maximum UV index in Hanama'ulu typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710111113121313121087
Data source: Hanama'ulu 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.

How December Weather in Hanama'ulu Compares to Other Months

Weather in Hanama'ulu varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hanama'ulu, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Hanama'ulu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (73°F)60 mm (2.3 inches)78%high
February Weather22°C (71°F)94 mm (3.7 inches)79%very high
March Weather22°C (72°F)156 mm (6.1 inches)78%extreme
April Weather23°C (73°F)80 mm (3.2 inches)81%extreme
May Weather23°C (74°F)63 mm (2.5 inches)82%extreme
June Weather24°C (76°F)92 mm (3.6 inches)82%extreme
July Weather25°C (77°F)80 mm (3.2 inches)83%extreme
August Weather25°C (78°F)80 mm (3.2 inches)83%extreme
September Weather25°C (78°F)65 mm (2.5 inches)82%extreme
October Weather25°C (77°F)95 mm (3.7 inches)81%very high
November Weather24°C (76°F)76 mm (3.0 inches)80%very high
December Weather23°C (74°F)127 mm (5.0 inches)79%high

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