New Orleans weather in December 2025

Expect daytime maximum temperatures of 18°C in New Orleans in December based on long-term weather averages. There are 5 hours of sunshine per day on average with 10 days with some rainfall and typically 128 mm of rainfall in the month.

  • 18°C maximum daytime temperature in December in New Orleans18
    18°C max day temperature
  • 5 hours of sunshine per day
  • 10 days with some rainfall in December in New Orleans10
    10 days with some rainfall
  • 8°C minimum night-time temperature in December in New Orleans8
    8°C min night temperature
  • 10 hours of daylight per day in December in New Orleans10
    10 hours of daylight per day
  • No heat & humidity in December in New Orleans0
    No heat & humidity
  • 128 mm monthly rainfall in December in New Orleans128
    128 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in December in New Orleans4
    4 (Moderate) UV index

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The December weather guide for Louisiana (New Orleans) 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 / mm)  |  Imperial (°F / inches)

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How hot is it in New Orleans in December?

Daytime temperatures usually reach 18°C in New Orleans in December, falling to 8°C at night.

How sunny is it in New Orleans in December?

There are normally 5 hours of bright sunshine each day in New Orleans in December - that's 52% of daylight hours.

Does it rain in New Orleans in December?

There are usually 10 days with some rain in New Orleans in December and the average monthly rainfall is 128mm.

New Orleans December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 06:39 17:00
Tuesday, 16th December 2025 06:49 17:03
Wednesday, 31st December 2025 06:56 17:11

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