January Weather in Ta`u, American Samoa

Last updated: August 22, 2025

In Ta`u, American Samoa, the average temperature in January is a pleasant 27°C (81°F). Daily temperatures typically range from a minimum of 25°C (77°F) to a maximum of 29°C (85°F). Be prepared for some rain, as the region receives an average of 285 mm (11.2 in) of precipitation spread over 24 days. With an average humidity of 79%, it's a good idea to stay cool and hydrated!

January Temperature in Ta`u

In January in Tau, the average temperature is 27°C (81°F). The maximum can reach 29°C (85°F), while the minimum can be as low as 25°C (77°F). This pleasant weather makes Tau an ideal destination for travelers seeking warmth and sunshine.

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

The chart illustrates January 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, January typically has an average temperature of 27°C (81°F), with highs reaching up to 29°C (85°F) and lows dropping to around 25°C (77°F).

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

January Precipitation in Ta`u

In Ta`u in January, the precipitation amount is 285 mm (11.2 in) over the course of 24 days.

January Precipitation Trends in Ta`u

The chart displays monthly precipitation patterns in Ta`u, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Ta`u, January typically receives around 285 mm (11.2 inches) of precipitation spread over approximately 24 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Ta`u

In Ta`u in January, humidity is 79%. With an average temperature of 27°C (81°F), this humidity feels like a warm and sticky embrace, making travel both challenging and invigorating as the air clings to your skin, urging you to seek shade or a refreshing drink.

January Average Humidity in Ta`u

This chart illustrates the average monthly humidity levels in Ta`u, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Ta`u is approximately 79%, offering insight into how humid the weather typically is during this month.

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

January UV Index in Ta`u

In Tau in January, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the [Hourly UV Index in Tau](/uv-index/american-samoa/manu-a/ta-u.html).

Maximum UV Index Levels in Ta`u for January

The chart shows the monthly maximum UV Index (UVI) for Ta`u in January, 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 January, the maximum UV index in Ta`u typically reaches 16, which falls under the extreme exposure category.

Data source: Ta`u January 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 January 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 January’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 January’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