January Weather in Mendi, Papua New Guinea

Last updated: August 31, 2025

In Mendi, Papua New Guinea, the average temperature in January hovers around 17°C (63°F). Temperatures can vary, with a minimum of 11°C (52°F) and a maximum of 25°C (77°F). Expect considerable precipitation, totaling 509 mm (20.1 in) spread over 25 days. The atmosphere is quite humid, with an average humidity level of 90%.

January Temperature in Mendi

In January in Mendi, the average temperature is 17°C (63°F), with maximums reaching 25°C (77°F) and minimums dropping as low as 11°C (52°F). This mild climate makes it an ideal time for outdoor activities and sightseeing while enjoying the comfortable weather.

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

The chart illustrates January temperature patterns in Mendi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mendi, January typically has an average temperature of 17°C (63°F), with highs reaching up to 25°C (77°F) and lows dropping to around 11°C (52°F).

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

January Precipitation in Mendi

In Mendi in January, the total precipitation amount is 509 mm (20.1 in) spread over 25 days.

January Precipitation Trends in Mendi

The chart displays monthly precipitation patterns in Mendi, 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 Mendi, January typically receives around 509 mm (20.1 inches) of precipitation spread over approximately 25 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Mendi

In Mendi in January humidity is 90%. With an average temperature of 17°C (63°F), this humidity feels like a heavy blanket wrapping around you, making travel feel sticky and exhausting as the air hangs thick and damp, making even short walks feel like a marathon.

January Average Humidity in Mendi

This chart illustrates the average monthly humidity levels in Mendi, 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 Mendi is approximately 90%, 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 Mendi

In Mendi 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 Mendi.

Maximum UV Index Levels in Mendi for January

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

Data source: Mendi 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 Mendi Compares to Other Months

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

This table compares monthly weather conditions in Mendi, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	509 mm (20.1 inches)	90%	extreme
February Weather	17°C (63°F)	345 mm (13.6 inches)	90%	extreme
March Weather	17°C (63°F)	587 mm (23.1 inches)	91%	extreme
April Weather	17°C (63°F)	634 mm (25.0 inches)	91%	extreme
May Weather	17°C (63°F)	676 mm (26.6 inches)	91%	extreme
June Weather	16°C (62°F)	505 mm (19.9 inches)	91%	extreme
July Weather	16°C (61°F)	449 mm (17.7 inches)	91%	extreme
August Weather	16°C (61°F)	538 mm (21.2 inches)	88%	extreme
September Weather	16°C (62°F)	684 mm (26.9 inches)	84%	extreme
October Weather	17°C (62°F)	654 mm (25.8 inches)	85%	extreme
November Weather	17°C (63°F)	481 mm (18.9 inches)	89%	extreme
December Weather	17°C (63°F)	429 mm (16.9 inches)	90%	extreme