January weather forecastPort Wentworth, GA

January

Weather in January

January, the same as December, in Port Wentworth, Georgia, is another mild winter month, with an average temperature ranging between min 43.3°F (6.3°C) and max 58.1°F (14.5°C).

Temperature

Port Wentworth's January weather, marked by an average high temperature of 58.1°F (14.5°C) and an average low temperature of 43.3°F (6.3°C), is the coldest in the year.

Humidity

January and March, with an average relative humidity of 72%, are the least humid months in Port Wentworth.

Rainfall

January is the month with the least rainfall. Rain falls for 9.6 days and accumulates 1.38" (35mm) of precipitation.

Snowfall

Months with snowfall are January and December. The months with the most snowfall are January and December, with an average 0.04" (1mm) of accumulated snow.

Daylight

The average length of the day in January is 10h and 20min.
On the first day of the month, sunrise is at 7:25 am and sunset at 5:30 pm. On the last day of January, in Port Wentworth, sunrise is at 7:19 am and sunset at 5:56 pm EST.

Sunshine

In January, the average sunshine in Port Wentworth is 5.9h.

UV index

January is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 3 during January morphs into the following directions:
Ensure safety - Imperative it is to shield skin and eyes from damage. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

January is the month that records the lowest temperatures in Port Wentworth, with averages ranging from a high of 58.1°F (14.5°C) to a low of 43.3°F (6.3°C).

The average high-temperature and low-temperature in Port Wentworth during January are 58.1°F (14.5°C) and 43.3°F (6.3°C) respectively.

The months with the lowest humidity in Port Wentworth are January and March, with an average relative humidity of 72%.

In Port Wentworth, the average relative humidity in January is 72%.

The month with the least rainfall in Port Wentworth is January, when the rain falls for 9.6 days and typically collects 1.38" (35mm) of precipitation.

In Port Wentworth, Georgia, in January, it is raining for 9.6 days, with typically 1.38" (35mm) of accumulated precipitation.

The months with the most snowfall in Port Wentworth, Georgia, are January and December, with an average 0.04" (1mm) of accumulated snow.

January is the last month it regularly snows in Port Wentworth, Georgia. During 0.2 snowfall days, in January, Port Wentworth aggregates 0.04" (1mm) of snow.

The average day length in January is 10h and 20min.

In January, on the first day of the month, sunrise is at 7:25 am and sunset at 5:30 pm. On the last day of the month, in Port Wentworth, sunrise is at 7:19 am and sunset at 5:56 pm EST.

In January, the average sunshine duration is 5.9h.

With an average maximum UV index of 3, January is the month with the lowest UV index.

In Port Wentworth, Georgia, the average daily maximum UV index in January is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Port Wentworth, GA

  • Average high temperature in January: 58.1°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (58.1°F).

  • Average low temperature in January: 43.3°F

The month with the highest average low temperature is August (75.6°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).

Average pressure in January
Port Wentworth, GA

  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

Average wind speed in January
Port Wentworth, GA

  • Average wind speed in January: 7.1mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

Average humidity in January
Port Wentworth, GA

  • Average humidity in January: 72%

The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January and March (72%).

Average rainfall in January
Port Wentworth, GA

  • Average rainfall in January: 1.38"

The wettest month (with the highest rainfall) is August (4.69").
The driest month (with the least rainfall) is January (1.38").

Average rainfall days in January
Port Wentworth, GA

  • Average rainfall days in January: 9.6 days

The month with the highest number of rainy days is August (23.1 days).
The month with the least rainy days is November (7.5 days).

Average snowfall in January
Port Wentworth, GA

  • Average snowfall in January: 0.04"

The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in January
Port Wentworth, GA

  • Average snowfall days in January: 0.2 days

The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in January /
Average sunshine in January
Port Wentworth, GA

  • Average daylight in January: 10h and 18min

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 54min

The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in January
Port Wentworth, GA

  • Average sunshine days in January: 20.4 days

The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is August (5.2 days).

Average UV index in January
Port Wentworth, GA

  • Average UV index in January: 3

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

Average cloud cover in January
Port Wentworth, GA

  • Average cloud cover in January: 35

The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 26).

Average visibility in January
Port Wentworth, GA

  • Average visibility in January: 6mi

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