nomadseason

December Weather in Waianae, United States

Last updated: June 24, 2025

In December, the average temperature in Waianae, United States is a pleasant 23°C (74°F), with minimums dipping to 18°C (65°F) and maximums reaching up to 27°C (80°F). Expect about 77 mm (3.0 in) of precipitation over 5 days, contributing to an average humidity of 79%. Embrace the mild weather and prepare for occasional showers!

December Temperature in Waianae

In December, in Waianae, the average temperature is 23°C (74°F). Maximums can reach 27°C (80°F), while minimums can be as low as 18°C (65°F). This pleasant climate makes Waianae an ideal destination for travelers seeking comfortable weather.

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

The chart illustrates December temperature patterns in Waianae, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waianae, December typically has an average temperature of 23°C (74°F), with highs reaching up to 27°C (80°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec737272737577787878777674
Data source: Temperature data for Waianae 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 Waianae

In Waianae in December, the precipitation amount is 77 mm (3.0 in) over the course of 5 days.

December Precipitation Trends in Waianae

The chart displays monthly precipitation patterns in Waianae, 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 Waianae, December typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec14746526203671113442177
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Waianae

In Waianae 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 Waianae

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

In Waianae 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 Waianae.

Maximum UV Index Levels in Waianae for December

The chart shows the monthly maximum UV Index (UVI) for Waianae 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 Waianae typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810111212121313121187
Data source: Waianae 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 Waianae Compares to Other Months

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

This table compares monthly weather conditions in Waianae, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)14 mm (0.5 inches)78%very high
February Weather22°C (72°F)74 mm (2.9 inches)79%very high
March Weather22°C (72°F)65 mm (2.5 inches)78%extreme
April Weather23°C (74°F)26 mm (1.0 inches)81%extreme
May Weather24°C (75°F)20 mm (0.8 inches)82%extreme
June Weather25°C (77°F)36 mm (1.4 inches)82%extreme
July Weather25°C (78°F)7 mm (0.3 inches)83%extreme
August Weather26°C (79°F)11 mm (0.5 inches)83%extreme
September Weather26°C (79°F)13 mm (0.5 inches)82%extreme
October Weather25°C (78°F)44 mm (1.7 inches)81%extreme
November Weather24°C (76°F)21 mm (0.8 inches)80%very high
December Weather23°C (74°F)77 mm (3.0 inches)79%high

Compare Waianae's Climate with Cities Worldwide