December weather forecast and climate
Jackson, MS

The view of the Capitol building in Jackson, Mississippi, from a beautiful tree park
The view of the Capitol building in Jackson, Mississippi, from a beautiful tree park

What is the temperature in December in Jackson?

The average high-temperature, in December, is 58.3°F (14.6°C), while the average low-temperature is 37.2°F (2.9°C).

How much does it rain in Jackson in December?

In Jackson, in December, it is raining for 9.6 days, with typically 5.1" (130.8mm) of accumulated precipitation.

What is the rainiest month in Jackson?

The month with the most rainfall in Jackson is December when the rain falls for 9.6 days and typically aggregates up to 5.1" (130.8mm) of precipitation.
Average temperature in December - Jackson, MS
  • Average high temperature in December: 14.6°C

Warmest months (with the highest average high temperature) are July and August (33.1°C).
The month with the lowest average high temperature is January (13.4°C).

  • Average low temperature in December: 2.9°C

The month with the highest average low temperature is July (22°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average humidity in December - Jackson, MS
  • Average humidity in December: 76.5%

The month with the highest relative humidity is September (77.3%).
The month with the lowest relative humidity is March (71.1%).

Average rainfall in December - Jackson, MS
  • Average rainfall in December: 130.8mm

The wettest month (with the highest rainfall) is December (130.8mm).
The driest month (with the lowest rainfall) is September (77mm).

Average rainfall days in December - Jackson, MS
  • Average rainfall days in December: 9.6 days

The month with the highest number of rainy days is July (10.7 days).
The month with the lowest number of rainy days is September (7 days).

Average daylight in December / Average sunshine in December - Jackson, MS
  • Average daylight in December: 10.1h

The month with the longest days is June (Average daylight: 14.3h).
The month with shortest days is December (Average daylight: 10.1h).

  • Average sunshine in December: 4.9h

The month with most sunshine is June (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 4.9h).

Average UV index in December - Jackson, MS
  • Average UV index in December: 3

Months with the highest UV index are May, June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 3).

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