December Weather in Ailuk, Marshall Islands

Last updated: August 23, 2025

In December, the average temperature in Ailuk, Marshall Islands is a warm 27°C (81°F), with minimums dipping to 25°C (77°F) and maximums peaking at 29°C (84°F). Expect 73 mm (2.9 in) of precipitation spread over 17 days, resulting in an average humidity of 82%. It’s a month where warm, humid days prevail, so come prepared for the climate!

December Temperature in Ailuk

In December in Ailuk, the average temperature is 27°C (81°F). Maximums can reach 29°C (84°F), while minimums can drop to 25°C (77°F). This mild and pleasant weather makes Ailuk an ideal destination for travelers seeking warmth and comfort.

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

The chart illustrates December temperature patterns in Ailuk, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ailuk, December typically has an average temperature of 27°C (81°F), with highs reaching up to 29°C (84°F) and lows dropping to around 25°C (77°F).

Data source: Temperature data for Ailuk generated using information from the Copernicus Climate Change Service.

December Precipitation in Ailuk

In Ailuk in December, the precipitation amount is 73 mm (2.9 in) over the course of 17 days.

December Precipitation Trends in Ailuk

The chart displays monthly precipitation patterns in Ailuk, 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 Ailuk, December typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 17 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Ailuk

In Ailuk in December humidity is 82%. With an average temperature of 27°C (81°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel more exhausting, and leaving you longing for the relief of air-conditioned spaces during your travels.

December Average Humidity in Ailuk

This chart illustrates the average monthly humidity levels in Ailuk, 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 Ailuk is approximately 82%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ailuk

In Ailuk in December, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Ailuk.

Maximum UV Index Levels in Ailuk for December

The chart shows the monthly maximum UV Index (UVI) for Ailuk 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 Ailuk typically reaches 10, which falls under the very high exposure category.

Data source: Ailuk 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 Ailuk Compares to Other Months

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

This table compares monthly weather conditions in Ailuk, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (81°F)	51 mm (2.0 inches)	82%	extreme
February Weather	27°C (80°F)	52 mm (2.0 inches)	81%	extreme
March Weather	27°C (80°F)	78 mm (3.1 inches)	82%	extreme
April Weather	27°C (81°F)	111 mm (4.4 inches)	83%	extreme
May Weather	27°C (81°F)	158 mm (6.2 inches)	81%	extreme
June Weather	27°C (81°F)	153 mm (6.0 inches)	80%	extreme
July Weather	27°C (82°F)	158 mm (6.2 inches)	78%	extreme
August Weather	27°C (82°F)	215 mm (8.5 inches)	76%	extreme
September Weather	27°C (82°F)	253 mm (9.9 inches)	77%	extreme
October Weather	27°C (81°F)	270 mm (10.6 inches)	78%	extreme
November Weather	27°C (82°F)	249 mm (9.8 inches)	80%	extreme
December Weather	27°C (81°F)	73 mm (2.9 inches)	82%	very high