January Weather in Alotau, Papua New Guinea

Last updated: August 31, 2025

In Alotau, Papua New Guinea, the average temperature in January is a warm 26°C (80°F). Expect a minimum of 22°C (72°F) and a maximum reaching up to 33°C (92°F). During this month, the precipitation averages 283 mm (11.1 in) over 22 days, resulting in a high average humidity of 80%. Be sure to prepare for both the warmth and occasional rain!

January Temperature in Alotau

In January in Alotau, the average temperature is 26°C (80°F). Maximum can reach 33°C (92°F) and minimum can be as low as 22°C (72°F). This pleasant weather makes it an ideal time for travelers to enjoy outdoor activities and explore the local attractions.

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

The chart illustrates January temperature patterns in Alotau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Alotau, January typically has an average temperature of 26°C (80°F), with highs reaching up to 33°C (92°F) and lows dropping to around 22°C (72°F).

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

January Precipitation in Alotau

In Alotau in January, the total precipitation amount is 283 mm (11.1 in) spread over 22 days.

January Precipitation Trends in Alotau

The chart displays monthly precipitation patterns in Alotau, 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 Alotau, January typically receives around 283 mm (11.1 inches) of precipitation spread over approximately 22 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 Alotau

In Alotau in January humidity is 80%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket, making it quite uncomfortable for traveling. The thick, heavy air can leave you feeling sticky and fatigued, making outdoor activities more challenging and necessitating frequent breaks for hydration and cooling down.

January Average Humidity in Alotau

This chart illustrates the average monthly humidity levels in Alotau, 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 Alotau is approximately 80%, 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 Alotau

In Alotau 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 Alotau.

Maximum UV Index Levels in Alotau for January

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

Data source: Alotau 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 Alotau Compares to Other Months

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

This table compares monthly weather conditions in Alotau, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (80°F)	283 mm (11.1 inches)	80%	extreme
February Weather	27°C (80°F)	306 mm (12.1 inches)	79%	extreme
March Weather	26°C (79°F)	368 mm (14.5 inches)	79%	extreme
April Weather	26°C (79°F)	334 mm (13.1 inches)	81%	extreme
May Weather	25°C (78°F)	218 mm (8.6 inches)	85%	extreme
June Weather	24°C (76°F)	324 mm (12.8 inches)	85%	very high
July Weather	24°C (76°F)	272 mm (10.7 inches)	83%	extreme
August Weather	24°C (75°F)	248 mm (9.8 inches)	82%	extreme
September Weather	24°C (76°F)	357 mm (14.1 inches)	80%	extreme
October Weather	25°C (77°F)	309 mm (12.2 inches)	82%	extreme
November Weather	26°C (78°F)	250 mm (9.8 inches)	81%	extreme
December Weather	26°C (80°F)	243 mm (9.6 inches)	80%	extreme