Kupang weather in December 2025

Expect daytime maximum temperatures of 88°F in Kupang, Indonesia in December and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 9.7 inches of rainfall in the month.

  • 88°F maximum daytime temperature in December in Kupang88
    88°F max day temperature
  • 7 hours of sunshine per day
  • 15 days with some rainfall in December in Kupang15
    15 days with some rainfall
  • 73°F minimum night-time temperature in December in Kupang73
    73°F min night temperature
  • 13 hours of daylight per day in December in Kupang13
    13 hours of daylight per day
  • Very high heat & humidity in December in KupangVH
    Very High heat & humidity
  • 9.7 inches monthly rainfall in December in Kupang9.7
    9.7 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in December in Kupang11
    11+ (Extreme) UV index
  • 86°F sea temperature in December in Kupang86
    86°F sea temperature

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The December weather guide for Indonesia (Kupang) 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.

Metric (°C)  |  Imperial (°F)

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More about Indonesia

How hot is it in Kupang in December?

Daytime temperatures usually reach 90°F in Kupang in December with very high heat and humidity, falling to 73°F at night.

How sunny is it in Kupang in December?

There are normally 6 hours of bright sunshine each day in Kupang in December - that's 46% of daylight hours.

How warm is the sea around Kupang in December?

The average sea temperature around Kupang in December is 84°F.

Does it rain in Kupang in December?

There are usually 18 days with some rain in Kupang in December and the average monthly rainfall is 8.9 inches.

Kupang December sunrise & sunset times

Browse the sunrise and sunset times for Kupang in December 2025. Select a month to view Kupang sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 05:14 17:55
Tuesday, 16th December 2025 05:20 18:03
Wednesday, 31st December 2025 05:27 18:10

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