January weather forecast
Southport, LA

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Weather in January

January, the same as December, in Southport, Louisiana, is another refreshing winter month, with an average temperature fluctuating between 60.4°F (15.8°C) and 47.8°F (8.8°C).

Temperature

January, with an average high of 60.4°F (15.8°C) and a low of 47.8°F (8.8°C), signifies the coldest month of the year.

Humidity

In Southport, the average relative humidity in January is 75%.

Rainfall

In Southport, in January, during 5.3 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Southport, during the entire year, the rain falls for 104.1 days and collects up to 8.39" (213mm) of precipitation.

Daylight

The average length of the day in January is 10h and 29min.
On the first day of the month, sunrise is at 6:56 am and sunset at 5:11 pm. On the last day of January, sunrise is at 6:51 am and sunset at 5:36 pm CST.

Sunshine

In Southport, the average sunshine in January is 5.6h.

UV index

In January, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 4 in January translates into the following recommendations:
Take precautions - Protection against sun damage is advised. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

During the coldest month in Southport, January, temperatures average a high of 60.4°F (15.8°C) and a low of 47.8°F (8.8°C).

What are January temperatures?

The average high-temperature and low-temperature during January are 60.4°F (15.8°C) and 47.8°F (8.8°C) respectively.

What is the average humidity in January?

In January, the average relative humidity is 75%.

How many days does it rain in January?

In Southport, in January, it is raining for 5.3 days, with typically 0.43" (11mm) of accumulated precipitation.

How many hours of daylight does Southport have in January?

In Southport, the average day length in January is 10h and 29min.

What time are sunrise and sunset in January in Southport?

On the first day of January, sunrise is at 6:56 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 5:36 pm CST.

How many hours of sunshine does Southport have in January?

In January, the average sunshine duration is 5.6h.

How high is the UV index in January?

The average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Southport, LA

Average temperature in January - Southport, LA
  • Average high temperature in January: 60.4°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in January: 47.8°F

The month with the highest average low temperature is August (79°F).
The coldest month (with the lowest average low temperature) is January (47.8°F).

Average pressure in January
Southport, LA

Average pressure in January - Southport, LA
  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).

Average wind speed in January
Southport, LA

Average wind speed in January - Southport, LA
  • Average wind speed in January: 9.4mph

The windiest months (with the highest average wind speed) are February and April (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in January
Southport, LA

Average humidity in January - Southport, LA
  • Average humidity in January: 75%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (71%).

Average rainfall in January
Southport, LA

Average rainfall in January - Southport, LA
  • Average rainfall in January: 0.43"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.39").

Average rainfall days in January
Southport, LA

Average rainfall days in January - Southport, LA
  • Average rainfall days in January: 5.3 days

The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is November (4.5 days).

Average daylight in January /
Average sunshine in January
Southport, LA

Average daylight in January / Average sunshine in January - Southport, LA
  • Average daylight in January: 10h and 3min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in January: 5h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in January
Southport, LA

Average sunshine days in January - Southport, LA
  • Average sunshine days in January: 23.9 days

The month with the most sunshine days is November (24.6 days).
The month with the least sunshine days is August (10.3 days).

Average UV index in January
Southport, LA

Average UV index in January - Southport, LA
  • Average UV index in January: 4

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

Average cloud cover in January
Southport, LA

Average cloud cover in January - Southport, LA
  • Average cloud cover in January: 37

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).

Average visibility in January
Southport, LA

Average visibility in January - Southport, LA
  • 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).

Southport, Louisiana, USA

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