June Weather in Koumac, New Caledonia

Last updated: August 31, 2025

In June, the average temperature in Koumac, New Caledonia is a pleasant 22°C (72°F). Temperatures can dip to a minimum of 17°C (63°F) and reach up to a maximum of 28°C (83°F). The month sees approximately 30 mm (1.2 in) of precipitation over the course of 4 days, with an average humidity of 74%, creating a comfortable yet slightly humid atmosphere.

June Temperature in Koumac

In June in Koumac, the average temperature is 22°C (72°F), with a maximum that can reach 28°C (83°F) and a minimum that can drop to as low as 17°C (63°F). This pleasant climate makes Koumac an ideal destination for outdoor activities and sightseeing during this time of year.

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

The chart illustrates June 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, June typically has an average temperature of 22°C (72°F), with highs reaching up to 28°C (83°F) and lows dropping to around 17°C (63°F).

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

June Precipitation in Koumac

In Koumac in June, the precipitation amount is 30 mm (1.2 in) over the course of 4 days.

June Precipitation Trends in Koumac

The chart displays monthly precipitation patterns in Koumac, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Koumac, June typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 4 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Koumac

In Koumac in June, humidity is 74%. With an average temperature of 22°C (72°F), this humidity feels like a warm blanket enveloping you, making it a bit uncomfortable for traveling, as every step feels heavier and the air is thick.

June Average Humidity in Koumac

This chart illustrates the average monthly humidity levels in Koumac, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Koumac is approximately 74%, offering insight into how humid the weather typically is during this month.

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

June UV Index in Koumac

In Koumac in June, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Koumac.

Maximum UV Index Levels in Koumac for June

The chart shows the monthly maximum UV Index (UVI) for Koumac in June, 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 June, the maximum UV index in Koumac typically reaches 7, which falls under the high exposure category.

Data source: Koumac June 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 June 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 June’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 June’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