January weather forecast and climate
Jackson, MS

The Capitol building and beautiful tree park in Jackson, Mississippi
The Capitol building and beautiful tree park in Jackson, Mississippi

Weather in January

January, like December, in Jackson, Mississippi, is another fresh winter month, with temperature in the range of an average high of 54.7°F (12.6°C) and an average low of 38.5°F (3.6°C).

Temperature

The coldest month is January, with an average high-temperature of 54.7°F (12.6°C) and an average low-temperature of 38.5°F (3.6°C).

Humidity

The average relative humidity in January is 77%.

Rainfall

In Jackson, during 10.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Jackson, during the entire year, the rain falls for 152.1 days and collects up to 29.72" (755mm) of precipitation.

Snowfall

Months with snowfall are January and February. The month with the most snowfall is January when snow falls for 1 days and typically aggregates up to 0.35" (9mm) of snow.

Daylight

In January, the average length of the day in Jackson is 10.3h.

Sunshine

The average sunshine in Jackson is 5.3h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to the Sun's UV rays for the average person.
Note: In January, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the coldest month in Jackson?

The coldest month is January, with an average high-temperature of 54.7°F (12.6°C) and an average low-temperature of 38.5°F (3.6°C).

What is the temperature in January in Jackson?

In Jackson, Mississippi, in January, the average high-temperature is 54.7°F (12.6°C), and the average low-temperature is 38.5°F (3.6°C).

What is the average humidity in January in Jackson?

In Jackson, Mississippi, the average relative humidity in January is 77%.

How much does it rain in Jackson in January?

In Jackson, in January, it is raining for 10.4 days, with typically 2.83" (72mm) of accumulated precipitation.

When does it start to snow in Jackson?

January is the first month it typically snows. Throughout January, in the average 1 snowfall days, it receives 0.35" (9mm) of snow.

When does it snow the most in Jackson?

January is the month with the most snowfall. Snow falls for 1 days and accumulates 0.35" (9mm) of snow.

How many hours of daylight does Jackson have in January?

In Jackson, Mississippi, the average length of the day in January is 10.3h.

How many hours of sunshine does Jackson have in January?

In January, the average sunshine in Jackson, Mississippi, is 5.3h.

When is the lowest UV index in Jackson?

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

What is the UV index reading in January in Jackson?

The average daily maximum UV index in January in Jackson, Mississippi, is 3. A UV Index estimate of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.

Average temperature in January
Jackson, MS

Average temperature in January - Jackson, MS
  • Average high temperature in January: 54.7°F

The warmest months (with the highest average high temperature) are July and August (91.8°F).
The month with the lowest average high temperature is January (54.7°F).

  • Average low temperature in January: 38.5°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).

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Average pressure in January
Jackson, MS

Average pressure in January - Jackson, MS
  • Average pressure in January: 30.17"

The month with the highest atmospheric pressure is January (30.17").
The month with the lowest atmospheric pressure is June (29.96").

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Average wind speed in January
Jackson, MS

Average wind speed in January - Jackson, MS
  • Average wind speed in January: 8mph

The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).

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Average humidity in January
Jackson, MS

Average humidity in January - Jackson, MS
  • Average humidity in January: 77%

Months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in January
Jackson, MS

Average rainfall in January - Jackson, MS
  • Average rainfall in January: 2.83"

The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is October (1.81").

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Average rainfall days in January
Jackson, MS

Average rainfall days in January - Jackson, MS
  • Average rainfall days in January: 10.4 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is October (8.5 days).

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Average snowfall in January
Jackson, MS

Average snowfall in January - Jackson, MS
  • Average snowfall in January: 0.35"

The month with the highest snowfall is January (0.35").
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in January
Jackson, MS

Average snowfall days in January - Jackson, MS
  • Average snowfall days in January: 1 days

The month with the highest number of snowfall days is January (1 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in January /
Average sunshine in January
Jackson, MS

Average daylight in January / Average sunshine in January - Jackson, MS
  • Average daylight in January: 10.3h

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

  • Average sunshine in January: 5.3h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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Average sunshine days in January
Jackson, MS

Average sunshine days in January - Jackson, MS
  • Average sunshine days in January: 18.3 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index in January
Jackson, MS

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

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in January
Jackson, MS

Average cloud cover in January - Jackson, MS
  • Average cloud cover in January: 42

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 28).

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Average visibility in January
Jackson, MS

Average visibility in January - Jackson, MS
  • Average visibility in January: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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