Jackson
Mississippi, USA
Long-term weather forecast
Long-term weather forecast

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
December, the first month of the winter, in Jackson, is still a mild month, with average temperature fluctuating between 37.2°F (2.9°C) and 58.3°F (14.6°C).

Temperature

In Jackson, the average high-temperature drops, from an enjoyable 67.5°F (19.7°C) in November, to a mild 58.3°F (14.6°C). In December, in Jackson, the average low-temperature is 37.2°F (2.9°C).

Humidity

In Jackson, the average relative humidity is 76.5%.

Rainfall

The month with the most rainfall is December when the rain falls for 9.6 days and typically aggregates up to 5.1" (130.8mm) of precipitation.

Daylight

December has the shortest days of the year in Jackson, with an average of 10.1h of daylight.

Sunshine

With an average of 4.9h of sunshine, December has the least sunshine of the year.

UV index

Months with the lowest UV index in Jackson are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in December in Jackson?

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

What is the average humidity in December in Jackson?

The average relative humidity in December is 76.5%.

How much does it rain in Jackson in December?

In December, in Jackson, Mississippi, the rain falls for 9.6 days. Throughout December, 5.1" (130.8mm) of precipitation is accumulated.

What is the wettest month in Jackson?

The month with the most rainfall is December when the rain falls for 9.6 days and typically aggregates up to 5.1" (130.8mm) of precipitation.

What is the month with the shortest days in Jackson?

December has the shortest days of the year in Jackson, Mississippi, with an average of 10.1h of daylight.

How many hours of daylight does Jackson have in December?

The average length of the day in December in Jackson, Mississippi, is 10.1h.

What is the month with the least sunshine in Jackson?

The month with the least sunshine is December, with an average of 4.9h of sunshine.

How long on average sun shines in December in Jackson?

In December, the average sunshine in Jackson is 4.9h.

When is the lowest UV index in Jackson?

Months with the lowest UV index in Jackson, Mississippi, are January and December, with an average maximum UV index of 3.

What is the UV index intensity in December in Jackson?

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.
Average temperature in December - Jackson, MS
  • Average high temperature in December: 58.2°F

Warmest months (with the highest average high temperature) are July and August (91.6°F).
The month with the lowest average high temperature is January (56.1°F).

  • Average low temperature in December: 37.3°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (35.3°F).

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: 5.2"

The wettest month (with the highest rainfall) is December (5.2").
The driest month (with the lowest rainfall) is September (3").

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).