July Weather in Koumac, New Caledonia

Last updated: August 31, 2025

In July, the average temperature in Koumac, New Caledonia is a delightful 21°C (71°F). Expect pleasant variability with minimums dipping to 16°C (62°F) and maximums reaching 27°C (81°F). During this month, anticipate about 54 mm (2.1 in) of precipitation spread over 3 days, accompanied by an average humidity level of 71%. Enjoy the balanced climate!

July Temperature in Koumac

In July in Koumac, the average temperature is 21°C (71°F). Maximums can reach 27°C (81°F), and minima can drop as low as 16°C (62°F). This pleasant weather makes Koumac an ideal destination for travelers looking to enjoy mild and comfortable conditions.

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

The chart illustrates July 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, July typically has an average temperature of 21°C (71°F), with highs reaching up to 27°C (81°F) and lows dropping to around 16°C (62°F).
JanFebMarAprMayJunJulAugSepOctNovDec808080787572707071757779
Data source: Temperature data for Koumac generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Koumac

In Koumac in July, the precipitation amount is 54 mm (2.1 in) over the course of 3 days.

July Precipitation Trends in Koumac

The chart displays monthly precipitation patterns in Koumac, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Koumac, July typically receives around 54 mm (2.1 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec17418312110449305453166140148
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Koumac

In Koumac in July humidity is 71%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, making it important for travelers to stay hydrated and seek shade during the hottest parts of the day.

July Average Humidity in Koumac

This chart illustrates the average monthly humidity levels in Koumac, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Koumac is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%81%82%79%74%71%74%74%75%79%80%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Koumac

In Koumac in July, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Koumac.

Maximum UV Index Levels in Koumac for July

The chart shows the monthly maximum UV Index (UVI) for Koumac in July, 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 July, the maximum UV index in Koumac typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161615129781012131515
Data source: Koumac July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)174 mm (6.9 inches)81%extreme
February Weather27°C (80°F)183 mm (7.2 inches)81%extreme
March Weather26°C (80°F)121 mm (4.7 inches)81%extreme
April Weather25°C (78°F)104 mm (4.1 inches)82%extreme
May Weather24°C (75°F)49 mm (1.9 inches)79%very high
June Weather22°C (72°F)30 mm (1.2 inches)74%high
July Weather21°C (71°F)54 mm (2.1 inches)71%very high
August Weather21°C (71°F)53 mm (2.1 inches)74%very high
September Weather22°C (72°F)16 mm (0.6 inches)73%extreme
October Weather24°C (75°F)61 mm (2.4 inches)75%extreme
November Weather25°C (77°F)40 mm (1.6 inches)79%extreme
December Weather26°C (79°F)148 mm (5.8 inches)80%extreme

Compare Koumac's Climate with Cities Worldwide