January weather forecast
Cullen, LA

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Weather in January

January, like December, in Cullen, Louisiana, is a cool winter month, with an average temperature varying between 53.2°F (11.8°C) and 37.4°F (3°C).

Temperature

Temperature readings reach their annual highs in January, averaging 53.2°F (11.8°C) and a minimum average of 37.4°F (3°C).

Humidity

The average relative humidity in January is 78%.

Rainfall

In Cullen, in January, it is raining for 10.3 days, with typically 2.72" (69mm) of accumulated precipitation. In Cullen, during the entire year, the rain falls for 149.9 days and collects up to 36.1" (917mm) of precipitation.

Snowfall

Months with snowfall are January through March. January is the first month it typically snows. Throughout January, in the average 0.8 snowfall days, it receives 0.55" (14mm) of snow. Throughout the year, there are 3 snowfall days, and 1.34" (34mm) of snow is accumulated.

Daylight

In Cullen, the average length of the day in January is 10h and 16min.
On the first day of the month, sunrise is at 7:16 am and sunset at 5:17 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:44 pm CST.

Sunshine

In January, the average sunshine is 5h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high UV index of 3 in January translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the coldest time of year?

Cullen's temperature records reveal January as the coldest month, marked by average highs of 53.2°F (11.8°C) and lows of 37.4°F (3°C).

What is the temperature in January in Cullen?

The high-temperature, in January, in Cullen, is 53.2°F (11.8°C), while the low-temperature averages to 37.4°F (3°C).

What is the average humidity in January?

In January, the average relative humidity is 78%.

How much does it rain in January?

In January, in Cullen, the rain falls for 10.3 days. Throughout January, 2.72" (69mm) of precipitation is accumulated.

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.

What is the average length of the day in January?

In January, the average day length is 10h and 16min.

When are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:16 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:44 pm CST.

How many hours of sunshine does Cullen have in January?

In January, the average sunshine duration is 5h.

What is the month with the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Cullen, LA

Average temperature in January - Cullen, LA
  • Average high temperature in January: 53.2°F

The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (53.2°F).

  • Average low temperature in January: 37.4°F

The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).

Average pressure in January
Cullen, LA

Average pressure in January - Cullen, 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 (29.93"Hg).

Average wind speed in January
Cullen, LA

Average wind speed in January - Cullen, LA
  • Average wind speed in January: 6.5mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in January
Cullen, LA

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

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (68%).

Average rainfall in January
Cullen, LA

Average rainfall in January - Cullen, LA
  • Average rainfall in January: 2.72"

The wettest month (with the highest rainfall) is April (4.65").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in January
Cullen, LA

Average rainfall days in January - Cullen, LA
  • Average rainfall days in January: 10.3 days

The month with the highest number of rainy days is July (14.3 days).
The months with the least rainy days are October and November (10.1 days).

Average snowfall in January
Cullen, LA

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

The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").

Average snowfall days in January
Cullen, LA

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

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in January: 5h and 0min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in January
Cullen, LA

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

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is February (13.5 days).

Average UV index in January
Cullen, LA

Average UV index in January - Cullen, 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, February, November and December (UV index 3).

Average cloud cover in January
Cullen, LA

Average cloud cover in January - Cullen, LA
  • Average cloud cover in January: 44

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in January
Cullen, LA

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

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

Cullen, Louisiana, USA

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