January weather forecast
Opelousas, LA

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Weather in January

The new year begins in Opelousas, Louisiana, with notably cooler temperatures than the following months, offering residents a refreshing break from the anticipated heat of the year ahead. A characteristic of January's weather pattern is the high relative humidity of 79%, which results in slight wetness and chill in the air. Sunshine hours are at their least, pushing locals to embrace indoor activities, while snowfall is a mere 0.04" (1mm), barely enough to shroud the city in a winter wonderland. Mornings can be nippy with temperatures dropping to 42.4°F (5.8°C), so it's advisable to wear warmer clothing when stepping out early. Moving forward from January, one can expect a slow but steady climb in temperatures and a more welcoming climate in the ensuing months.

Temperature

The lowest temperatures in Opelousas are recorded in January, with averages reaching a high of 57.7°F (14.3°C) and a low of 42.4°F (5.8°C).

Humidity

The average relative humidity in January is 79%.

Rainfall

In Opelousas, during January, the rain falls for 7.6 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Opelousas, during the entire year, the rain falls for 127.3 days and collects up to 11.65" (296mm) of precipitation.

Snowfall

January and December are months with snowfall. 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 26min.
On the first day of the month, sunrise is at 7:05 am and sunset at 5:18 pm. On the last day of January, sunrise is at 7:00 am and sunset at 5:43 pm CST.

Sunshine

The average sunshine in January is 5.3h.

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 medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In January, an average UV index of 3 transforms into the following instructions:
Guard yourself - An obligation to protect skin and eyes from harm exists. The solar radiation around mid-day is intense; avoid the Sun and stay safe. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

What part of the year is the coldest?

In Opelousas, January registers the lowest temperatures, averaging 57.7°F (14.3°C) at the peak and 42.4°F (5.8°C) at the lowest.

What is the usual temperature for Opelousas in January?

The high-temperature, in January, in Opelousas, is 57.7°F (14.3°C), while the low-temperature averages to 42.4°F (5.8°C).

What is the average humidity in January?

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

How many days does it rain in January?

In January, the rain falls for 7.6 days. Throughout January, 0.98" (25mm) of precipitation is accumulated.

What is the snowiest month in Opelousas?

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

What is the average length of the day in January?

The average day length in January is 10h and 26min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:05 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:43 pm CST.

How many hours of sunshine does Opelousas have in January?

In January, the average sunshine duration is 5.3h.

What are the months 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 reading of 3 to 5 represents a moderate health threat 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
Opelousas, LA

Average temperature in January - Opelousas, LA
  • Average high temperature in January: 57.7°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (57.7°F).

  • Average low temperature in January: 42.4°F

The month with the highest average low temperature is August (73.8°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

Average pressure in January
Opelousas, LA

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in January
Opelousas, LA

Average wind speed in January - Opelousas, LA
  • Average wind speed in January: 7.5mph

The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest month (with the lowest average wind speed) is July (5mph).

Average humidity in January
Opelousas, LA

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

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is October (72%).

Average rainfall in January
Opelousas, LA

Average rainfall in January - Opelousas, LA
  • Average rainfall in January: 0.98"

The wettest months (with the highest rainfall) are July and August (1.57").
The driest months (with the least rainfall) are February and March (0.63").

Average rainfall days in January
Opelousas, LA

Average rainfall days in January - Opelousas, LA
  • Average rainfall days in January: 7.6 days

The month with the highest number of rainy days is August (15.9 days).
The month with the least rainy days is November (6.6 days).

Average snowfall in January
Opelousas, LA

Average snowfall in January - Opelousas, LA
  • 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
Opelousas, LA

Average snowfall days in January - Opelousas, 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
Opelousas, LA

Average daylight in January / Average sunshine in January - Opelousas, 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: 4h and 54min).

Average sunshine days in January
Opelousas, LA

Average sunshine days in January - Opelousas, LA
  • Average sunshine days in January: 21.5 days

The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is August (10.7 days).

Average UV index in January
Opelousas, LA

Average UV index in January - Opelousas, 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
Opelousas, LA

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

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 28).

Average visibility in January
Opelousas, LA

Average visibility in January - Opelousas, LA
  • Average visibility in January: 6mi

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

Opelousas, Louisiana, USA

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