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December Weather in Kalaheo, United States

Last updated: June 24, 2025

In December, the average temperature in Kalaheo, United States is a pleasant 22°C (72°F), with a comfortable range from a minimum of 17°C (63°F) to a maximum of 27°C (81°F). Expect 97 mm (3.8 in) of precipitation over approximately 16 days, and be prepared for an average humidity of 79%. Enjoy the mild weather while keeping an umbrella handy!

December Temperature in Kalaheo

In December in Kalaheo, the average temperature is 22°C (72°F), with maximums reaching 27°C (81°F) and minimums dropping to 17°C (63°F). This mild climate makes it an ideal time for traveling, offering comfortable weather for exploring and enjoying outdoor activities.

December Weather in Kalaheo: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Kalaheo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kalaheo, December typically has an average temperature of 22°C (72°F), with highs reaching up to 27°C (81°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec717070727476777878767472
Data source: Temperature data for Kalaheo 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 Kalaheo

In Kalaheo in December, the total precipitation amount is 97 mm (3.8 in) over the course of 16 days.

December Precipitation Trends in Kalaheo

The chart displays monthly precipitation patterns in Kalaheo, 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 Kalaheo, December typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec3984136625280545449895597
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Kalaheo

In Kalaheo in December humidity is 79%. With an average temperature of 22°C (72°F), this humidity feels like you are enveloped in a warm, heavy blanket, making it feel considerably hotter and adding a layer of stickiness to your skin as you navigate through the streets.

December Average Humidity in Kalaheo

This chart illustrates the average monthly humidity levels in Kalaheo, 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 Kalaheo 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 Kalaheo

In Kalaheo 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 Kalaheo.

Maximum UV Index Levels in Kalaheo for December

The chart shows the monthly maximum UV Index (UVI) for Kalaheo 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 Kalaheo typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810111213131313121087
Data source: Kalaheo 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 Kalaheo Compares to Other Months

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

This table compares monthly weather conditions in Kalaheo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)38 mm (1.5 inches)78%very high
February Weather21°C (70°F)84 mm (3.3 inches)79%very high
March Weather21°C (71°F)136 mm (5.4 inches)78%extreme
April Weather22°C (73°F)61 mm (2.4 inches)81%extreme
May Weather23°C (74°F)52 mm (2.1 inches)82%extreme
June Weather24°C (76°F)80 mm (3.1 inches)82%extreme
July Weather25°C (77°F)54 mm (2.1 inches)83%extreme
August Weather25°C (78°F)54 mm (2.1 inches)83%extreme
September Weather25°C (78°F)49 mm (1.9 inches)82%extreme
October Weather25°C (76°F)89 mm (3.5 inches)81%very high
November Weather24°C (75°F)55 mm (2.2 inches)80%very high
December Weather22°C (72°F)97 mm (3.8 inches)79%high

Compare Kalaheo's Climate with Cities Worldwide