McAllen, TX Weather
McAllen, TX climate is hot during summer when temperatures tend to be in the 80's and mild during winter when temperatures tend to be in the 60's.
The warmest month of the year is August with an average maximum temperature of 96.20 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 48.20 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 21 degrees Fahrenheit, and moderate during winter with an average difference of 21 degrees Fahrenheit.
The annual average precipitation at McAllen is 22.61 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is September with an average rainfall of 4.00 Inches.
Weather Data
Weather Warnings
| Dense fog advisory in effect until 9 am cst this morning . |
Current Conditions
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Fog And Mist, 56°F | Humidity: 93% | Dewpoint: 54°F |
| Wind Speed: N 5.8 MPH (5 KT) | Heat Index: 56°F | ||
| Barometer: 29.97 in. | Wind Chill: 55°F |
Weather Forecast
| Hi: 79°F | Today: Sunny. Widespread dense fog in the morning. Visibility one quarter mile or less at Times in the morning. Highs in the upper 70s. Light winds becoming southeast 10 to 15 mph in the late morning and afternoon. | |
| Lo: 60°F | ||
| Hi: 81°F | Monday: Partly cloudy in the morning then becoming mostly cloudy. Areas of fog in the morning. Highs in the lower 80s. Light winds becoming southeast 15 to 20 mph in the late morning and afternoon. | |
| Lo: 65°F | ||
| Hi: 79°F | Tuesday: Chance of showers and thunderstorms in the morning... Then showers and thunderstorms likely in the afternoon. Highs in the upper 70s. Light winds becoming southeast around 15 mph late in the morning shifting to the north 20 to 25 mph. Chance of rain 60 percent. | |
| Lo: 55°F | ||
| Hi: 70°F | Wednesday: Partly cloudy in the morning then clearing. Highs around 70. | |
| Lo: 49°F | ||
| Hi: 71°F | Thanksgiving day: Sunny in the morning then becoming partly cloudy. Highs in the lower 70s. | |
| Lo: 49°F | ||
| Hi: 75°F | Friday: Mostly cloudy. Lows in the upper 40s. Highs in the mid 70s. | |
| Lo: 51°F |
Moon, Sunrise and Sunset
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Moon Phase: Waxing Crescent Moon | Civil Twilight: 6:31 AM CST |
Sunrise: 6:56 AM CST |
| Sunset: 5:41 PM CST |
Civil Twilight: 6:05 PM CST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 69.1 | 73.1 | 80.6 | 85.2 | 89.2 | 93.6 | 95.5 | 96.2 | 92.3 | 86.3 | 78.0 | 70.6 | 84.1 |
| Mean °F | 58.7 | 62.3 | 69.3 | 74.5 | 79.8 | 83.8 | 85.1 | 85.7 | 82.2 | 75.6 | 67.5 | 60.2 | 73.7 |
| Min °F | 48.2 | 51.5 | 58.0 | 63.8 | 70.3 | 73.9 | 74.7 | 75.1 | 72.1 | 64.9 | 56.9 | 49.7 | 63.3 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 1.20 | 1.37 | 0.95 | 1.36 | 2.51 | 2.49 | 1.70 | 2.31 | 4.00 | 2.76 | 0.95 | 1.01 | 22.61 |

