January Weather in Koumac, New Caledonia

Last updated: August 31, 2025

In January, the average temperature in Koumac, New Caledonia is a pleasant 27°C (80°F), with conditions ranging from a minimum of 22°C (72°F) to a maximum of 32°C (89°F). Expect about 174 mm (6.9 in) of precipitation spread over 16 days, contributing to an average humidity level of 81%.

January Temperature in Koumac

In January in Koumac, the average temperature is 27°C (80°F), with maximums reaching 32°C (89°F) and minimums dipping as low as 22°C (72°F). This warm climate makes Koumac an ideal destination for travelers seeking sunshine and pleasant weather.

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

The chart illustrates January temperature patterns in Koumac, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Koumac, January typically has an average temperature of 27°C (80°F), with highs reaching up to 32°C (89°F) and lows dropping to around 22°C (72°F).

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

January Precipitation in Koumac

In Koumac in January, the precipitation amount is 174 mm (6.9 in) spread over 16 days.

January Precipitation Trends in Koumac

The chart displays monthly precipitation patterns in Koumac, 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 Koumac, January typically receives around 174 mm (6.9 inches) of precipitation spread over approximately 16 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 Koumac

In Koumac in January, humidity is 81%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket wrapping around you, making travel feel sticky and heavy, but the vibrant atmosphere can still be invigorating, inviting moments of exploration in slower, more deliberate steps.

January Average Humidity in Koumac

This chart illustrates the average monthly humidity levels in Koumac, 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 Koumac is approximately 81%, 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 Koumac

In Koumac 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 Koumac.

Maximum UV Index Levels in Koumac for January

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

Data source: Koumac 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 Koumac Compares to Other Months

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

This table compares monthly weather conditions in Koumac, 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 (80°F)	174 mm (6.9 inches)	81%	extreme
February Weather	27°C (80°F)	183 mm (7.2 inches)	81%	extreme
March Weather	26°C (80°F)	121 mm (4.7 inches)	81%	extreme
April Weather	25°C (78°F)	104 mm (4.1 inches)	82%	extreme
May Weather	24°C (75°F)	49 mm (1.9 inches)	79%	very high
June Weather	22°C (72°F)	30 mm (1.2 inches)	74%	high
July Weather	21°C (71°F)	54 mm (2.1 inches)	71%	very high
August Weather	21°C (71°F)	53 mm (2.1 inches)	74%	very high
September Weather	22°C (72°F)	16 mm (0.6 inches)	73%	extreme
October Weather	24°C (75°F)	61 mm (2.4 inches)	75%	extreme
November Weather	25°C (77°F)	40 mm (1.6 inches)	79%	extreme
December Weather	26°C (79°F)	148 mm (5.8 inches)	80%	extreme