January weather forecast
McAllen, TX

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Weather in January

As the calendar flips to a new year, the month of January in McAllen, Texas experiences a dip in temperature compared to December and February. The month is noticed for its marginally cooler climate, offering an escape from intense heat for inhabitants and visitors. Sunshine hours drop to 6.8 hours a day. However, January is drier with respect to rainfall, recording an average of 0.59" (15mm), the lowest in the year. The relatively dry conditions of January make it an excellent period for outdoor activities in McAllen, Texas.

Temperature

January, characterized by an average high temperature of 69.8°F (21°C) and a low temperature of 53.2°F (11.8°C), is generally the coldest month in McAllen.

Humidity

The average relative humidity in January is 65%.

Rainfall

In McAllen, in January, during 7.5 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In McAllen, Texas, during the entire year, the rain falls for 103.3 days and collects up to 12.72" (323mm) of precipitation.

Snowfall

January is the only month when snow falls. January is the month with the most snowfall in McAllen. Snow falls for 0.1 days and accumulates 0.12" (3mm) of snow.

Daylight

In January, the average length of the day is 10h and 43min.
On the first day of the month, sunrise is at 7:20 am and sunset at 5:52 pm. On the last day of January, sunrise is at 7:17 am and sunset at 6:14 pm CST.

Sunshine

In January, the average sunshine is 6.8h.

UV index

The average daily maximum UV index in January in McAllen is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 5 during January translates into the following directions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Enhance your sun protection with tightly woven, yet airy clothing. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
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Frequently asked questions

What time of the year is the coldest in McAllen?

McAllen's temperature records reveal January as the coldest month, marked by average highs of 69.8°F (21°C) and lows of 53.2°F (11.8°C).

What are the temperatures in McAllen in January?

The high-temperature, in January, in McAllen, is 69.8°F (21°C), while the low-temperature averages to 53.2°F (11.8°C).

What is the average humidity in January in McAllen?

In January, the average relative humidity is 65%.

How much does it rain in McAllen in January?

In McAllen, in January, during 7.5 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

What is the snowiest month in McAllen?

The month with the most snowfall in McAllen, Texas, is January, when snow falls for 0.1 days and typically aggregates up to 0.12" (3mm) of snow.

When does it start snowing in McAllen?

January is the first month it typically snows. Throughout January, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow.

What is the average length of the day in January in McAllen?

In McAllen, the average day length in January is 10h and 43min.

What time are sunrise and sunset in January in McAllen?

In January, on the first day of the month, sunrise is at 7:20 am and sunset at 5:52 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:14 pm CST.

How many hours of sunshine does McAllen have in January?

The average sunshine duration in January in McAllen is 6.8h.

What is the UV index intensity in January in McAllen?

In McAllen, Texas, the average daily maximum UV index in January is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
McAllen, TX

Average temperature in January - McAllen, TX
  • Average high temperature in January: 69.8°F

The warmest month (with the highest average high temperature) is August (98.6°F).
The month with the lowest average high temperature is January (69.8°F).

  • Average low temperature in January: 53.2°F

The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (53.2°F).

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Average pressure in January
McAllen, TX

Average pressure in January - McAllen, TX
  • Average pressure in January: 30.12"Hg

The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are May and June (29.87"Hg).

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Average wind speed in January
McAllen, TX

Average wind speed in January - McAllen, TX
  • Average wind speed in January: 9.5mph

The windiest month (with the highest average wind speed) is May (12.6mph).
The calmest month (with the lowest average wind speed) is September (9.1mph).

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Average humidity in January
McAllen, TX

Average humidity in January - McAllen, TX
  • Average humidity in January: 65%

The month with the highest relative humidity is May (68%).
The month with the lowest relative humidity is August (59%).

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Average rainfall in January
McAllen, TX

Average rainfall in January - McAllen, TX
  • Average rainfall in January: 0.59"

The wettest month (with the highest rainfall) is September (2.13").
The driest month (with the least rainfall) is February (0.47").

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Average rainfall days in January
McAllen, TX

Average rainfall days in January - McAllen, TX
  • Average rainfall days in January: 7.5 days

The month with the highest number of rainy days is September (15.4 days).
The month with the least rainy days is February (6.3 days).

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Average snowfall in January
McAllen, TX

Average snowfall in January - McAllen, TX
  • Average snowfall in January: 0.12"

The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in January
McAllen, TX

Average snowfall days in January - McAllen, TX
  • Average snowfall days in January: 0.1 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in January /
Average sunshine in January
McAllen, TX

Average daylight in January / Average sunshine in January - McAllen, TX
  • Average daylight in January: 10h and 4min

The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).

  • Average sunshine in January: 6h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in January
McAllen, TX

Average sunshine days in January - McAllen, TX
  • Average sunshine days in January: 21.3 days

The month with the most sunshine days is July (23.5 days).
The month with the least sunshine days is September (12.5 days).

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Average UV index in January
McAllen, TX

Average UV index in January - McAllen, TX
  • Average UV index in January: 5

The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 4).

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Average cloud cover in January
McAllen, TX

Average cloud cover in January - McAllen, TX
  • Average cloud cover in January: 37

The month with the most cloud cover is December (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in January
McAllen, TX

Average visibility in January - McAllen, TX
  • 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).

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McAllen, Texas, USA

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