January weather forecast
Zachary, LA

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Weather in January

Opening the year in Zachary, Louisiana, January brings rather mild temperatures, setting the stage for what is to come in the later months. This month is characterized by the presence of substantial cloud cover, which impacts the availability of direct sunlight. Humidity levels tend to be high this month, leading to a damp and slightly chilly atmosphere. Compared to February, the cooler conditions of January make it distinctive. Notably, the average low temperature reaches 41.9°F (5.5°C), and the area experiences light snowfall with 0.2" (5mm) received.

Temperature

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

Humidity

In January, the average relative humidity is 79%.

Rainfall

In January, in Zachary, the rain falls for 10.6 days. Throughout January, 2.4" (61mm) of precipitation is accumulated. In Zachary, during the entire year, the rain falls for 175 days and collects up to 28.74" (730mm) of precipitation.

Snowfall

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

Daylight

In January, the average length of the day is 10h and 26min.
On the first day of the month, sunrise is at 7:01 am and sunset at 5:14 pm. On the last day of January, sunrise is at 6:56 am and sunset at 5:39 pm CST.

Sunshine

In January, the average sunshine 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 estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In January, the maximum UV index of 3 transforms into these recommendations:
Undertake precautions - Guarding against sun damage is counselled. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

January brings the lowest temperatures, with an average high of 58.3°F (14.6°C) and an average low of 41.9°F (5.5°C).

What is the usual temperature for Zachary in January?

The average high-temperature and low-temperature during January are 58.3°F (14.6°C) and 41.9°F (5.5°C) respectively.

What is the average humidity in January?

In January, the average relative humidity is 79%.

How much does it rain in Zachary in January?

In Zachary, in January, during 10.6 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

What is the snowiest month?

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, Zachary aggregates 0.2" (5mm) of snow.

How many hours of daylight does Zachary have in January?

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

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:01 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 Zachary, the average sunshine duration in January is 5.4h.

What is the month with the lowest UV index?

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

How high is the UV index in January?

In January, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
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
Zachary, LA

Average temperature in January - Zachary, 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
Zachary, LA

Average pressure in January - Zachary, 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
Zachary, LA

Average wind speed in January - Zachary, 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
Zachary, LA

Average humidity in January - Zachary, 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
Zachary, LA

Average rainfall in January - Zachary, 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
Zachary, LA

Average rainfall days in January - Zachary, 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
Zachary, LA

Average snowfall in January - Zachary, 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
Zachary, LA

Average snowfall days in January - Zachary, 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
Zachary, LA

Average daylight in January / Average sunshine in January - Zachary, 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
Zachary, LA

Average sunshine days in January - Zachary, 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
Zachary, LA

Average UV index in January - Zachary, 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
Zachary, LA

Average cloud cover in January - Zachary, 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
Zachary, LA

Average visibility in January - Zachary, 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).

Zachary, Louisiana, USA

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