McAllen, TX weather in January
McAllen is mild in January, with some rain: highs average 73°F and nights drop to about 53°F. Rain falls on about 6 days. It is one of the coolest months in McAllen. A good month for most outdoor plans.
- Normal high
- 73°F
- Normal low
- 53°F
- Wet days
- 6
- 0.8 in total
- Muggy days
- 3
- dew point 65°F+
How January changes from start to finish
| January 1 | January 31 | |
|---|---|---|
| Normal high | 72°F | 75°F |
| Normal low | 52°F | 54°F |
| Chance of a wet day | 20% | 18% |
| Sunrise / sunset | 7:20 am / 5:52 pm | 7:17 am / 6:15 pm |
| Daylight | 10.5 h | 11.0 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical January day
- 6 am55°Fdew point 49°F
- 9 am57°Fdew point 50°F
- Noon66°Fdew point 50°F
- 3 pm70°Fdew point 49°F
- 6 pm66°Fdew point 49°F
- 9 pm60°Fdew point 51°F
NOAA hourly normals (local standard time) from Mcallen Miller Intl Airport (2 mi away); average wind 10 mph; clear or few clouds in 55% of daytime hours, mostly cloudy or overcast in 41%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F14 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more3 of 31
- Wet daysat least 0.01 in of rain or melted snow6 of 31
- Notable rainat least 0.10 in2 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per January, counted from daily records for each year 1991-2020.
Rain in January
Normal precipitation is 0.8 in; a dry January brings about 0.2 in and a wet one about 1.0 in (25th and 75th percentiles). Days with half an inch or more are rare.
How January varies from year to year
- Warmest January, 1991-20202017: average high 79°F
- Coolest January1992: average high 64°F
- Wettest January1994: 3.1 in
- Driest January1996: no measurable precipitation
- Highest reading96°F (January 21, 2017)
- Lowest reading28°F (January 3, 2002)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
January compared with December and February
| December | January | February | |
|---|---|---|---|
| Normal high | 74°F | 73°F | 77°F |
| Normal low | 54°F | 53°F | 57°F |
| Wet days | 6 | 6 | 5 |
| Comfortable days | 12 | 14 | 10 |
| Daylight | 10.5 h | 10.7 h | 11.3 h |
Highs change by -1°F from December and +4°F into February.
Nearby alternatives in January
- Cooler: San Antonio, TX223 mi · high 63°F · 7 wet days
How McAllen ranks in January
- Normal high17th warmest of 378 cities; 1st of 38 in Texas
- Wet days73rd driest of 378
- Comfortable days43rd most of 339
Heating and cooling
January has 150 heating degree days and 81 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is McAllen in January?
The normal high is 73°F and the normal low is 53°F. From 1991 to 2020 the hottest January reading was 96°F (January 21, 2017).
Does it rain a lot in McAllen in January?
About 6 days in January have at least 0.01 in of precipitation, and the normal total is 0.8 in. The wettest January in 1991-2020 was in 1994 (3.1 in); the driest was in 1996, with no measurable precipitation.
Is January a good time to visit McAllen?
January ranks 1st of 12 months on our comfort score for McAllen (65 out of 100). It has about 14 comfortable days. The best months are January and December.
Where the numbers come from
- Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Mcallen Miller Intl Airport (USW00012959), 2.0 mi SW of the city center, 100 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Mcallen (USC00415701), 1.5 mi WSW of the city center, 100 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Mc Allen Miller Intl Arpt (722506-12959), 1.9 mi SSW of the city center, 99 ft . Hourly observations, 1991-2020.