January weather forecast
Harlingen, TX

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Weather in January

January, the same as December, in Harlingen, Texas, is an agreeable winter month, with an average temperature ranging between max 68.7°F (20.4°C) and min 55.4°F (13°C).

Temperature

With an average high-temperature of 68.7°F (20.4°C) and an average low-temperature of 55.4°F (13°C), January is the coldest month.

Humidity

In January, the average relative humidity is 69%.

Rainfall

In Harlingen, during January, the rain falls for 6.1 days and regularly aggregates up to 0.35" (9mm) of precipitation. In Harlingen, during the entire year, the rain falls for 79.8 days and collects up to 5.24" (133mm) of precipitation.

Snowfall

January, March through December are months without snowfall.

Daylight

In January, the average length of the day is 10h and 43min.
On the first day of the month, sunrise is at 7:18 am and sunset at 5:50 pm. On the last day of January, sunrise is at 7:15 am and sunset at 6:12 pm CST.

Sunshine

In January, the average sunshine in Harlingen is 6.4h.

UV index

In Harlingen, the average daily maximum UV index in January is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum daily UV index of 5 in January interprets into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What time of the year is the coldest?

In Harlingen, the average lowest temperatures are observed in January, with a high of 68.7°F (20.4°C) and a low of 55.4°F (13°C).

What is the usual temperature for Harlingen in January?

In January, the average high-temperature and low-temperature are 68.7°F (20.4°C) and 55.4°F (13°C) respectively.

What is the average humidity in January?

The average relative humidity in January is 69%.

How many days does it rain in January?

In January, the rain falls for 6.1 days. Throughout January, 0.35" (9mm) of precipitation is accumulated.

When it does not snow in Harlingen?

January, March through December are months without snowfall.

Does it snow in January?

In Harlingen, in January, it doesn't snow. In February, it regularly snows.

How many hours of daylight does Harlingen have in January?

The average day length in January is 10h and 43min.

When is the sunrise / sunset in January?

On the first day of January, sunrise is at 7:18 am and sunset at 5:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 6:12 pm CST.

How long on average sun shines in January?

The average sunshine duration in January is 6.4h.

How high is the UV index in January?

In Harlingen, the average daily maximum UV index in January is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
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
Harlingen, TX

Average temperature in January - Harlingen, TX
  • Average high temperature in January: 68.7°F

The warmest month (with the highest average high temperature) is August (95°F).
The month with the lowest average high temperature is January (68.7°F).

  • Average low temperature in January: 55.4°F

The month with the highest average low temperature is August (80.1°F).
The coldest month (with the lowest average low temperature) is January (55.4°F).

Average pressure in January
Harlingen, TX

Average pressure in January - Harlingen, TX
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in January
Harlingen, TX

Average wind speed in January - Harlingen, TX
  • Average wind speed in January: 10.4mph

The windiest months (with the highest average wind speed) are March and April (12.1mph).
The calmest month (with the lowest average wind speed) is September (8.9mph).

Average humidity in January
Harlingen, TX

Average humidity in January - Harlingen, TX
  • Average humidity in January: 69%

The month with the highest relative humidity is May (73%).
The month with the lowest relative humidity is August (65%).

Average rainfall in January
Harlingen, TX

Average rainfall in January - Harlingen, TX
  • Average rainfall in January: 0.35"

The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is February (0.16").

Average rainfall days in January
Harlingen, TX

Average rainfall days in January - Harlingen, TX
  • Average rainfall days in January: 6.1 days

The month with the highest number of rainy days is September (11.5 days).
The month with the least rainy days is February (4.7 days).

Average snowfall days in January
Harlingen, TX

Average snowfall days in January - Harlingen, TX
  • Average snowfall days in January: 0 days

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

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

Average daylight in January / Average sunshine in January - Harlingen, 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 2min

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 6min).

Average sunshine days in January
Harlingen, TX

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

The month with the most sunshine days is March (23.3 days).
The month with the least sunshine days is September (15.6 days).

Average UV index in January
Harlingen, TX

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

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

Average cloud cover in January
Harlingen, TX

Average cloud cover in January - Harlingen, TX
  • Average cloud cover in January: 41

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 18).

Average visibility in January
Harlingen, TX

Average visibility in January - Harlingen, 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).

Harlingen, Texas, USA

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