January weather forecast
Port Gibson, MS

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Weather in January

January, like December, in Port Gibson, Mississippi, is another fresh winter month, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 55°F (12.8°C).

Temperature

Port Gibson records the coldest temperatures in January, averaging a high of 55°F (12.8°C) and a low of 39.7°F (4.3°C).

Humidity

In Port Gibson, the average relative humidity in January is 78%.

Rainfall

In Port Gibson, in January, during 9.1 rainfall days, 1.93" (49mm) of precipitation is typically accumulated. In Port Gibson, during the entire year, the rain falls for 141.8 days and collects up to 23.39" (594mm) of precipitation.

Snowfall

January through March and December are months with snowfall. The month with the most snowfall is January, when snow falls for 0.7 days and typically aggregates up to 0.47" (12mm) of snow.

Daylight

The average length of the day in January is 10h and 20min.
On the first day of the month, sunrise is at 7:04 am and sunset at 5:10 pm. On the last day of January, sunrise is at 6:58 am and sunset at 5:36 pm CST.

Sunshine

In January, the average sunshine is 5.2h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Port Gibson. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A daily maximum UV index of 3 in January translates into the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.

Frequently asked questions

What time of the year is the coldest?

January is the coldest month of the year, registering average temperatures as high as 55°F (12.8°C) and as low as 39.7°F (4.3°C).

What is the temperature in January?

In January, the average high-temperature and low-temperature are 55°F (12.8°C) and 39.7°F (4.3°C) respectively.

What is the average humidity in January?

In January, the average relative humidity is 78%.

How many days does it rain in January?

In Port Gibson, in January, during 9.1 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

What is the snowiest month?

January is the month with the most snowfall. Snow falls for 0.7 days and accumulates 0.47" (12mm) of snow.

How many days does it snow in January?

In January, it is snowing for 0.7 days. Throughout January, 0.47" (12mm) of snow is accumulated.

What is the average length of the day in January?

In January, the average day length is 10h and 20min.

When is the sunrise / sunset in January in Port Gibson?

In January, on the first day of the month, sunrise is at 7:04 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 5:36 pm CST.

How many hours of sunshine does Port Gibson have in January?

In January, the average sunshine duration is 5.2h.

What are the months with the lowest UV index?

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

What is the UV index reading in January?

The average daily maximum UV index in January is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Port Gibson, MS

Average temperature in January - Port Gibson, MS
  • Average high temperature in January: 55°F

The warmest month (with the highest average high temperature) is August (92.1°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in January: 39.7°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).

Average pressure in January
Port Gibson, MS

Average pressure in January - Port Gibson, MS
  • Average pressure in January: 30.17"Hg

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

Average wind speed in January
Port Gibson, MS

Average wind speed in January - Port Gibson, MS
  • Average wind speed in January: 7.4mph

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are August and September (5mph).

Average humidity in January
Port Gibson, MS

Average humidity in January - Port Gibson, MS
  • Average humidity in January: 78%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (69%).

Average rainfall in January
Port Gibson, MS

Average rainfall in January - Port Gibson, MS
  • Average rainfall in January: 1.93"

The wettest month (with the highest rainfall) is August (2.83").
The driest month (with the least rainfall) is November (1.22").

Average rainfall days in January
Port Gibson, MS

Average rainfall days in January - Port Gibson, MS
  • Average rainfall days in January: 9.1 days

The month with the highest number of rainy days is August (17.4 days).
The month with the least rainy days is October (6.9 days).

Average snowfall in January
Port Gibson, MS

Average snowfall in January - Port Gibson, MS
  • Average snowfall in January: 0.47"

The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in January
Port Gibson, MS

Average snowfall days in January - Port Gibson, MS
  • Average snowfall days in January: 0.7 days

The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Port Gibson, MS

Average daylight in January / Average sunshine in January - Port Gibson, MS
  • Average daylight in January: 10h and 2min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in January: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in January
Port Gibson, MS

Average sunshine days in January - Port Gibson, MS
  • Average sunshine days in January: 19.5 days

The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is August (11 days).

Average UV index in January
Port Gibson, MS

Average UV index in January - Port Gibson, MS
  • Average UV index in January: 3

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

Average cloud cover in January
Port Gibson, MS

Average cloud cover in January - Port Gibson, MS
  • Average cloud cover in January: 42

The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in January
Port Gibson, MS

Average visibility in January - Port Gibson, MS
  • Average visibility in January: 6mi

The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).

Port Gibson, Mississippi, USA

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