December weather forecast and climate
New Orleans, LA

Commuter buses on the street in New Orleans, Louisiana with a view of the city buildings, and palm trees along the roadsides
Commuter buses on the street in New Orleans, Louisiana with a view of the city buildings, and palm trees along the roadsides

What is the temperature in December in New Orleans?

In New Orleans, Louisiana, in December, the average high-temperature is 64.4°F (18°C), and the average low-temperature is 46.9°F (8.3°C).
Average temperature in December - New Orleans, LA
  • Average high temperature in December: 64.4°F

Warmest months (with the highest average high temperature) are July and August (91.2°F).
The month with the lowest average high temperature is January (62.1°F).

  • Average low temperature in December: 46.9°F

Months with the highest average low temperature are July and August (75.3°F).
The coldest month (with the lowest average low temperature) is January (44.7°F).

Average humidity in December - New Orleans, LA
  • Average humidity in December: 76.9%

The month with the highest relative humidity is August (79.4%).
The month with the lowest relative humidity is March (72.9%).

Average rainfall in December - New Orleans, LA
  • Average rainfall in December: 5.2"

The wettest month (with the highest rainfall) is June (8.1").
The driest month (with the lowest rainfall) is October (3.5").

Average rainfall days in December - New Orleans, LA
  • Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is July (13.6 days).
The month with the lowest number of rainy days is April (6.9 days).

Average daylight in December / Average sunshine in December - New Orleans, LA
  • Average daylight in December: 10.2h

The month with the longest days is June (Average daylight: 14.1h).
The month with shortest days is December (Average daylight: 10.2h).

  • Average sunshine in December: 5.1h

The month with most sunshine is June (Average sunshine: 9.1h).
The month with least sunshine is January (Average sunshine: 4.9h).

Average UV index in December - New Orleans, LA
  • Average UV index in December: 4

Months with the highest UV index are June and July (UV index 11).
Months with the lowest UV index are January and December (UV index 4).

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