January Weather in Ofu, American Samoa

Last updated: August 22, 2025

In Ofu, American Samoa, the average temperature in January hovers around 27°C (81°F), with daily lows reaching 25°C (77°F) and highs peaking at 29°C (85°F). Expect 279 mm (11.0 in) of precipitation spread across approximately 24 days, adding to the region's 79% humidity for a warm and somewhat rainy month.

January Temperature in Ofu

In January in Ofu, 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 Ofu an ideal destination for travelers seeking warmth and sunshine.

January Weather in Ofu: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Ofu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ofu, 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 Ofu generated using information from the Copernicus Climate Change Service.

January Precipitation in Ofu

In Ofu in January, the precipitation amount is 279 mm (11.0 in) spread over a period of 24 days.

January Precipitation Trends in Ofu

The chart displays monthly precipitation patterns in Ofu, 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 Ofu, January typically receives around 279 mm (11.0 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 Ofu

In Ofu 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 Ofu

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

In Ofu 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 Ofu.

Maximum UV Index Levels in Ofu for January

The chart shows the monthly maximum UV Index (UVI) for Ofu 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 Ofu typically reaches 16, which falls under the extreme exposure category.

Data source: Ofu 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 Ofu Compares to Other Months

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

This table compares monthly weather conditions in Ofu, 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)	279 mm (11.0 inches)	79%	extreme
February Weather	27°C (81°F)	476 mm (18.7 inches)	80%	extreme
March Weather	27°C (82°F)	190 mm (7.5 inches)	79%	extreme
April Weather	27°C (82°F)	241 mm (9.5 inches)	79%	extreme
May Weather	27°C (81°F)	205 mm (8.1 inches)	80%	extreme
June Weather	27°C (81°F)	144 mm (5.7 inches)	80%	very high
July Weather	27°C (80°F)	133 mm (5.2 inches)	81%	very high
August Weather	27°C (80°F)	114 mm (4.5 inches)	83%	extreme
September Weather	27°C (80°F)	106 mm (4.2 inches)	84%	extreme
October Weather	27°C (80°F)	195 mm (7.7 inches)	84%	extreme
November Weather	27°C (81°F)	260 mm (10.2 inches)	82%	extreme
December Weather	27°C (81°F)	365 mm (14.4 inches)	81%	extreme