New Caledonia weather in August 2025

Expect 23°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in New Caledonia in August. Check more long-term weather averages for New Caledonia in August before you book your next holiday to New Caledonia in 2025/2026.

  • 23°C maximum daytime temperature in August in New Caledonia (Noumea)23
    23°C max day temperature
  • 7 hours of sunshine per day
  • 13 days with some rainfall in August in New Caledonia (Noumea)13
    13 days with some rainfall
  • 16°C minimum night-time temperature in August in New Caledonia (Noumea)16
    16°C min night temperature
  • 11 hours of daylight per day in August in New Caledonia (Noumea)11
    11 hours of daylight per day
  • No heat & humidity in August in New Caledonia (Noumea)0
    No heat & humidity
  • 68 mm monthly rainfall in August in New Caledonia (Noumea)68
    68 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in New Caledonia (Noumea)7
    7 (High) UV index
  • 22°C sea temperature in August in New Caledonia (Noumea)22
    22°C sea temperature

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The August weather guide for New Caledonia (Noumea) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Top New Caledonia destinations

Below are average maximum temperatures at popular countries, regions and places in New Caledonia in August. Select a holiday destination to see more weather parameters.

All New Caledonia destinations

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in New Caledonia in August?

Daytime temperatures usually reach 23°C in Noumea, New Caledonia in August, falling to 16°C at night.

How sunny is it in New Caledonia in August?

There are normally 7 hours of bright sunshine each day in Noumea, New Caledonia in August - that's 57% of daylight hours.

How warm is the sea around New Caledonia in August?

The average sea temperature around Noumea, New Caledonia in August is 22°C.

Does it rain in New Caledonia in August?

There are usually 13 days with some rain in Noumea, New Caledonia in August and the average monthly rainfall is 68mm.

New Caledonia August sunrise & sunset times

Browse the sunrise and sunset times for New Caledonia in August 2025. Select a month to view New Caledonia sunrise and sunset times for the next 12 months. The New Caledonia sunrise and sunset times shown below are for Noumea.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:27 17:34
Saturday, 16th August 2025 06:18 17:39
Sunday, 31st August 2025 06:05 17:44

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