January weather forecast
Plains, LA

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Weather in January

January, like December, is another refreshing winter month in Plains, Louisiana, with an average temperature fluctuating between 58.3°F (14.6°C) and 41.9°F (5.5°C).

Temperature

January, marked by an average high-temperature of 58.3°F (14.6°C) and a low-temperature of 41.9°F (5.5°C), is the coldest month.

Humidity

In Plains, the average relative humidity in January is 79%.

Rainfall

In Plains, in January, it is raining for 10.6 days, with typically 2.4" (61mm) of accumulated precipitation. Throughout the year, there are 175 rainfall days, and 28.74" (730mm) of precipitation is accumulated.

Snowfall

January and December are months with snowfall in Plains. The months with the most snowfall are January and December, with an average 0.2" (5mm) of accumulated snow.

Daylight

The average length of the day in January is 10h and 26min.
On the first day of January, sunrise is at 7:02 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 5:39 pm CST.

Sunshine

In January, the average sunshine in Plains is 5.4h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 3 during January translates into the following guidance:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

January is the coldest month, with the temperature often reaching an average high of 58.3°F (14.6°C) and an average low of 41.9°F (5.5°C).

What is the temperature in January?

In Plains, in January, the average high-temperature is 58.3°F (14.6°C), and the average low-temperature is 41.9°F (5.5°C).

What is the average humidity in January?

In January, the average relative humidity is 79%.

How many days does it rain in January?

In Plains, in January, it is raining for 10.6 days, with typically 2.4" (61mm) of accumulated precipitation.

When does it snow the most?

The months with the most snowfall are January and December, with an average 0.2" (5mm) of accumulated snow.

What is the last month it snows?

January is the last month it regularly snows. During 0.3 snowfall days, in January, Plains aggregates 0.2" (5mm) of snow.

What is the average length of the day in January in Plains?

In January, the average day length is 10h and 26min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:02 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 5:39 pm CST.

How long on average sun shines in January?

In January, the average sunshine duration is 5.4h.

What are the months with the lowest UV index?

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

How high is the UV index in January?

In January, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Plains, LA

Average temperature in January - Plains, LA
  • Average high temperature in January: 58.3°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (58.3°F).

  • Average low temperature in January: 41.9°F

The month with the highest average low temperature is August (73.4°F).
The coldest month (with the lowest average low temperature) is January (41.9°F).

Average pressure in January
Plains, LA

Average pressure in January - Plains, LA
  • Average pressure in January: 30.17"Hg

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

Average wind speed in January
Plains, LA

Average wind speed in January - Plains, LA
  • Average wind speed in January: 6.4mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).

Average humidity in January
Plains, LA

Average humidity in January - Plains, LA
  • Average humidity in January: 79%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
Plains, LA

Average rainfall in January - Plains, LA
  • Average rainfall in January: 2.4"

The wettest month (with the highest rainfall) is August (3.66").
The driest month (with the least rainfall) is November (1.5").

Average rainfall days in January
Plains, LA

Average rainfall days in January - Plains, LA
  • Average rainfall days in January: 10.6 days

The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in January
Plains, LA

Average snowfall in January - Plains, LA
  • Average snowfall in January: 0.2"

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

Average snowfall days in January
Plains, LA

Average snowfall days in January - Plains, LA
  • Average snowfall days in January: 0.3 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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

Average daylight in January / Average sunshine in January - Plains, LA
  • Average daylight in January: 10h and 2min

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

  • Average sunshine in January: 5h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in January
Plains, LA

Average sunshine days in January - Plains, LA
  • Average sunshine days in January: 18.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (6.8 days).

Average UV index in January
Plains, LA

Average UV index in January - Plains, LA
  • Average UV index in January: 3

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

Average cloud cover in January
Plains, LA

Average cloud cover in January - Plains, LA
  • Average cloud cover in January: 42

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in January
Plains, LA

Average visibility in January - Plains, LA
  • Average visibility in January: 5mi

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

Plains, Louisiana, USA

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