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

With average high temperatures of 57.7°F (14.3°C) and lows of 42.4°F (5.8°C), January is the coldest month in Opelousas.

Humidity

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

Rainfall

In Opelousas, in January, it is raining for 7.6 days, with typically 0.98" (25mm) of accumulated precipitation. Throughout the year, in Opelousas, there are 127.3 rainfall days, and 11.65" (296mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Opelousas are January and December. 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 in Opelousas is 10h and 26min.
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.

Sunshine

The average sunshine in January in Opelousas is 5.3h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 3 during January translates into the following guidance:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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Frequently asked questions

What is the coldest time of year in Opelousas?

January is the month when Opelousas, Louisiana, experiences its coldest temperatures, averaging a high of 57.7°F (14.3°C) and a low of 42.4°F (5.8°C).

What are January temperatures in Opelousas?

The high-temperature in Opelousas, Louisiana, during January is 57.7°F (14.3°C) and the low-temperature is 42.4°F (5.8°C).

What is the average humidity in January in Opelousas?

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

How many days does it rain in January in Opelousas?

In Opelousas, in January, it is raining for 7.6 days, with typically 0.98" (25mm) of accumulated precipitation.

When does it snow the most in Opelousas?

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

What is the last month it snows in Opelousas?

January is the last month it regularly snows in Opelousas, Louisiana. During 0.3 snowfall days, in January, Opelousas aggregates 0.04" (1mm) of snow.

How many hours of daylight does Opelousas have in January?

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

When are sunrise and sunset in January in Opelousas?

In January, on the first day of the month, sunrise is at 7:05 am and sunset at 5:18 pm. On the last day of the month, in Opelousas, 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 in Opelousas, Louisiana, is 5.3h.

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

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

What is the UV index intensity in January in Opelousas?

In Opelousas, the average daily maximum UV index in January is 3. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJanuaryFMAMJJASOND
Dec
January
Feb
Average high temperature
60.6°F 15.9°C
57.7°F 14.3°C
62.6°F 17°C
Average low temperature
46.2°F 7.9°C
42.4°F 5.8°C
47.5°F 8.6°C
Average pressure
30.12" 765mmHg
30.16" 766mmHg
30.1" 765mmHg
Average wind speed
7.3mph 11.7km/h
7.5mph 12.1km/h
7.9mph 12.7km/h
Average max. wind speed
7.9mph 12.7km/h
8.1mph 13km/h
8.5mph 13.7km/h
Average wind speed gusts
12.4mph 20km/h
12.4mph 20km/h
12.9mph 20.8km/h
Average humidity
81%
79%
83%
Average rainfall
0.98" 25mm
0.98" 25mm
0.63" 16mm
Average rainfall days
9.1
7.6
8.8
Average snowfall
0.04" 1mm
0.04" 1mm
0" 0mm
Average snowfall days
0.1
0.3
0.2
Average daylight
10h 1min
10h 2min
11h 1min
Average sunshine
4h 5min
5h 2min
5h 1min
Average sunshine days
19.8
21.5
17.7
Average UV index
3
3
4
Average cloud cover
48%
42%
50%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Opelousas, Louisiana, USA

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