January weather forecast
Justina, LA

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Weather in January

January, the same as December, is a cool winter month in Justina, Louisiana, with temperature in the range of an average high of 55°F (12.8°C) and an average low of 40.3°F (4.6°C).

Temperature

In Justina, Louisiana, the month of January registers the lowest temperatures, averaging 55°F (12.8°C) at the peak and 40.3°F (4.6°C) at the lowest.

Humidity

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

Rainfall

In January, the rain falls for 11.3 days. Throughout January, 3.31" (84mm) of precipitation is accumulated. In Justina, during the entire year, the rain falls for 154.1 days and collects up to 35.12" (892mm) of precipitation.

Snowfall

Months with snowfall are January through March. The month with the most snowfall is January, when snow falls for 0.8 days and typically aggregates up to 0.55" (14mm) of snow.

Daylight

In Justina, Louisiana, the average length of the day in January is 10h and 20min.
On the first day of the month, sunrise is at 7:06 am and sunset at 5:12 pm. On the last day of January, sunrise is at 6:59 am and sunset at 5:38 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. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 3 during January translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest time of year?

January stands out as Justina's coldest month, with temperatures ranging between an average high of 55°F (12.8°C) and a low of 40.3°F (4.6°C).

What are January temperatures in Justina?

The high-temperature, in January, in Justina, is 55°F (12.8°C), while the low-temperature averages to 40.3°F (4.6°C).

What is the average humidity in January?

The average relative humidity in January in Justina is 78%.

How many days does it rain in January?

In Justina, Louisiana, in January, it is raining for 11.3 days, with typically 3.31" (84mm) of accumulated precipitation.

What is the snowiest month in Justina?

The month with the most snowfall is January, when snow falls for 0.8 days and typically aggregates up to 0.55" (14mm) of snow.

When does it start to snow?

January is the first month it typically snows. Throughout January, in the average 0.8 snowfall days, it receives 0.55" (14mm) of snow.

How many hours of daylight does Justina have in January?

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

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:06 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:38 pm CST.

How long on average sun shines in January?

The average sunshine duration in January is 5.2h.

What are the months with the lowest UV index in Justina?

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

What is the UV index intensity in January?

In January, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from 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
Justina, LA

Average temperature in January - Justina, LA
  • Average high temperature in January: 55°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55°F).

  • Average low temperature in January: 40.3°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).

Average pressure in January
Justina, LA

Average pressure in January - Justina, LA
  • 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
Justina, LA

Average wind speed in January - Justina, LA
  • Average wind speed in January: 7.9mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and September (5.3mph).

Average humidity in January
Justina, LA

Average humidity in January - Justina, LA
  • Average humidity in January: 78%

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

Average rainfall in January
Justina, LA

Average rainfall in January - Justina, LA
  • Average rainfall in January: 3.31"

The wettest month (with the highest rainfall) is April (3.43").
The driest month (with the least rainfall) is November (2.13").

Average rainfall days in January
Justina, LA

Average rainfall days in January - Justina, LA
  • Average rainfall days in January: 11.3 days

The month with the highest number of rainy days is August (15.5 days).
The month with the least rainy days is October (8.5 days).

Average snowfall in January
Justina, LA

Average snowfall in January - Justina, LA
  • Average snowfall in January: 0.55"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

Average snowfall days in January
Justina, LA

Average snowfall days in January - Justina, LA
  • Average snowfall days in January: 0.8 days

The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in January / Average sunshine in January - Justina, LA
  • 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 36min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in January
Justina, LA

Average sunshine days in January - Justina, LA
  • Average sunshine days in January: 17.8 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is February (13.3 days).

Average UV index in January
Justina, LA

Average UV index in January - Justina, LA
  • 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
Justina, LA

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

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

Average visibility in January
Justina, LA

Average visibility in January - Justina, 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).

Justina, Louisiana, USA

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