McAllen (TX)
January
Weather in McAllen, Texas for January 2026
Your guide to McAllen weather in January - trends and predictions
In general, the average temperature in McAllen at the beginning of January is 20.9 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 23.1 °F by the end of January.
The climate of McAllen in January is notably wet, with an average of 11 rainy days, and a total of 50.9 mm of precipitation.
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Temperatures
Rain 🌧️
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20
Dry days
11
Rainy days
0
Snow days
17°/10°
Temperatures
23 km/h
Avg max wind
67 %
Avg humidity
McAllen Weather January
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Temperatures trend during January in McAllen
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January weather in McAllen day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jan. 1 |  Patchy rain possible | 19° /16° | 0.2 mm | 4 | |
| Jan. 2 | Patchy rain possible | 22° /15° | 1 mm | 5 | |
| Jan. 3 | Patchy rain possible | 20° /15° | 0.2 mm | 5 | |
| Jan. 4 |  Cloudy | 26° /17° | 0 mm | 6 | |
| Jan. 5 |  Partly cloudy | 28° /19° | 0 mm | 7 | |
| Jan. 6 |  Sunny | 17° /8° | 0 mm | 5 | |
| Jan. 7 | Cloudy | 14° /5° | 0 mm | 3 | |
| Jan. 8 | Patchy rain possible | 10° /8° | 2.5 mm | 3 | |
| Jan. 9 |  Moderate rain at times | 8° /5° | 1.8 mm | 2 | |
| Jan. 10 | Moderate or heavy rain shower | 9° /5° | 14.8 mm | 2 | |
| Jan. 11 | Patchy rain possible | 14° /7° | 0.1 mm | 3 | |
| Jan. 12 |  Overcast | 18° /8° | 0 mm | 4 | |
| Jan. 13 | Overcast | 16° /8° | 0 mm | 4 | |
| Jan. 14 | Patchy rain possible | 11° /9° | 3.9 mm | 3 | |
| Jan. 15 | Patchy rain possible | 12° /11° | 6.7 mm | 3 | |
| Jan. 16 | Overcast | 18° /10° | 0 mm | 4 | |
| Jan. 17 | Sunny | 24° /10° | 0 mm | 6 | |
| Jan. 18 | Overcast | 27° /13° | 0 mm | 6 | |
| Jan. 19 | Sunny | 15° /7° | 0 mm | 5 | |
| Jan. 20 | Patchy rain possible | 6° /4° | 4.8 mm | 2 | |
| Jan. 21 |  Light freezing rain | 5° /0° | 7.6 mm | 2 | |
| Jan. 22 | Overcast | 11° /-1° | 0 mm | 3 | |
| Jan. 23 | Overcast | 9° /6° | 0 mm | 2 | |
| Jan. 24 | Overcast | 15° /6° | 0 mm | 4 | |
| Jan. 25 | Overcast | 22° /8° | 0 mm | 5 | |
| Jan. 26 | Patchy rain possible | 23° /18° | 0.1 mm | 5 | |
| Jan. 27 | Moderate or heavy rain shower | 20° /13° | 4.6 mm | 5 | |
| Jan. 28 | Overcast | 19° /11° | 0 mm | 4 | |
| Jan. 29 | Patchy rain possible | 25° /16° | 1.5 mm | 6 | |
| Jan. 30 | Patchy rain possible | 27° /18° | 1.1 mm | 6 | |
| Jan. 31 | Cloudy | 26° /11° | 0 mm | 6 | |
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Important Notice
Our weather forecast for McAllen in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the McAllen forecast closer to your planned date for the most up-to-date weather information.
Change Month
McAllen in January - FAQ
What are the expected maximum and minimum temperatures in McAllen during January?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in McAllen during January?
Moderate rainfall is anticipated in McAllen during January, with a total of 50.9 mm spread over approximately 11 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in McAllen during January?
The average wind speed in McAllen during January is 23 km/h, suggesting breezy to windy conditions, depending on your activities.
January rainfall patterns in McAllen
Explore the daily rainfall trends and prepare for McAllens January weather 💧
UV exposure in McAllen during January
Stay informed about UV levels for safe outdoor activities throughout the month of January ☀️
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