December Weather in Ta`u, American Samoa

Last updated: August 22, 2025

In December, the average temperature in Ta`u, American Samoa is a warm 27°C (81°F), with minimums dipping to 24°C (76°F) and maximums reaching 29°C (85°F). However, be prepared for some rain, as 372 mm (14.6 in) of precipitation can be expected over 27 days, contributing to an average humidity of 81%.

December Temperature in Ta`u

In December in Ta`u, the average temperature is 27°C (81°F). Maximum temperatures can reach 29°C (85°F), while minimums can drop to as low as 24°C (76°F). This pleasant climate makes it an ideal destination for travelers looking to enjoy warm weather and outdoor activities.

December Weather in Ta`u: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Ta`u, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ta`u, December typically has an average temperature of 27°C (81°F), with highs reaching up to 29°C (85°F) and lows dropping to around 24°C (76°F).

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

December Precipitation in Ta`u

In Ta`u in December, the precipitation amount is 372 mm (14.6 in) over the course of 27 days.

December Precipitation Trends in Ta`u

The chart displays monthly precipitation patterns in Ta`u, 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 Ta`u, December typically receives around 372 mm (14.6 inches) of precipitation spread over approximately 27 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 Ta`u

In Ta`u in December humidity is 81%. With an average temperature of 27°C (81°F), this humidity feels like a warm, heavy blanket enveloping you, making travel quite uncomfortable as it can quickly drain your energy and require frequent hydration breaks.

December Average Humidity in Ta`u

This chart illustrates the average monthly humidity levels in Ta`u, 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 Ta`u is approximately 81%, 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 Ta`u

In Tau in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the [Hourly UV Index in Tau](/uv-index/american-samoa/manu-a/ta-u.html).

Maximum UV Index Levels in Ta`u for December

The chart shows the monthly maximum UV Index (UVI) for Ta`u 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 Ta`u typically reaches 15, which falls under the extreme exposure category.

Data source: Ta`u 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 Ta`u Compares to Other Months

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

This table compares monthly weather conditions in Ta`u, 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)	285 mm (11.2 inches)	79%	extreme
February Weather	27°C (81°F)	457 mm (18.0 inches)	80%	extreme
March Weather	27°C (82°F)	188 mm (7.4 inches)	79%	extreme
April Weather	27°C (82°F)	241 mm (9.5 inches)	79%	extreme
May Weather	27°C (81°F)	200 mm (7.9 inches)	80%	extreme
June Weather	27°C (81°F)	138 mm (5.4 inches)	80%	very high
July Weather	27°C (80°F)	134 mm (5.3 inches)	81%	very high
August Weather	27°C (80°F)	111 mm (4.4 inches)	83%	extreme
September Weather	27°C (80°F)	93 mm (3.7 inches)	84%	extreme
October Weather	27°C (80°F)	196 mm (7.7 inches)	84%	extreme
November Weather	27°C (81°F)	263 mm (10.3 inches)	82%	extreme
December Weather	27°C (81°F)	372 mm (14.6 inches)	81%	extreme