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December Weather in Naalehu, United States

Last updated: June 24, 2025

In December, the average temperature in Naalehu, United States hovers around 23°C (75°F), offering a pleasant climate for visitors. Expect lows of 21°C (70°F) and highs reaching 26°C (79°F). However, be prepared for some rain, as 64 mm (2.5 in) of precipitation is likely over 7 days. The average humidity sits at a comfortable 81%, ensuring a warm and inviting atmosphere.

December Temperature in Naalehu

In December, in Naalehu, the average temperature is 23°C (75°F). Maximum temperatures can reach 26°C (79°F), while the minimum can dip as low as 21°C (70°F). This mild and pleasant weather makes it an ideal time for traveling and exploring the local attractions.

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

The chart illustrates December temperature patterns in Naalehu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Naalehu, December typically has an average temperature of 23°C (75°F), with highs reaching up to 26°C (79°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec737272737475777777777674
Data source: Temperature data for Naalehu 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 Naalehu

In Naalehu in December, the precipitation amount is 64 mm (2.5 in) accumulated over a period of 7 days.

December Precipitation Trends in Naalehu

The chart displays monthly precipitation patterns in Naalehu, 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 Naalehu, December typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec3013666303616115619671664
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Naalehu

In Naalehu in December, humidity is 81%. With an average temperature of 23°C (75°F), this humidity feels like a warm, enveloping blanket, making traveling feel a bit sticky and demanding. It can be a challenge to stay comfortable while exploring, as the combination of warmth and high humidity may leave you longing for refreshing breaks in the shade or cool beverages to sip.

December Average Humidity in Naalehu

This chart illustrates the average monthly humidity levels in Naalehu, 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 Naalehu is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%79%77%80%80%82%83%84%82%83%83%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Naalehu

In Naalehu in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Naalehu.

Maximum UV Index Levels in Naalehu for December

The chart shows the monthly maximum UV Index (UVI) for Naalehu 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 Naalehu typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811121313131414131298
Data source: Naalehu 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 Naalehu Compares to Other Months

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

This table compares monthly weather conditions in Naalehu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)30 mm (1.2 inches)79%very high
February Weather22°C (72°F)136 mm (5.4 inches)79%extreme
March Weather22°C (73°F)66 mm (2.6 inches)77%extreme
April Weather23°C (74°F)30 mm (1.2 inches)80%extreme
May Weather23°C (74°F)36 mm (1.4 inches)80%extreme
June Weather24°C (76°F)16 mm (0.6 inches)82%extreme
July Weather25°C (77°F)11 mm (0.4 inches)83%extreme
August Weather25°C (78°F)56 mm (2.2 inches)84%extreme
September Weather25°C (78°F)19 mm (0.8 inches)82%extreme
October Weather25°C (77°F)67 mm (2.6 inches)83%extreme
November Weather24°C (76°F)16 mm (0.6 inches)83%very high
December Weather23°C (75°F)64 mm (2.5 inches)81%very high

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