United StatesThe climate of McAllen
The current climate in McAllen features temperatures ranging from a high of 38°C to a low of 23°C throughout the year. The average yearly temperature is around 31°C. At night, temperatures in the colder months average around 11°C and in the warmer months around 26°C.
Average temperatures and precipitation
This chart shows the average monthly maximum and minimum temperatures (in degrees Celsius) and average monthly rainfall (in millimeters) for McAllen, Texas.
Temperature records
The highest temperature recorded in McAllen in recent years was 44°C in June 2017. The lowest daytime temperature recorded was 2°C in February 2021.
Rainfall amount
On average, McAllen receives 906 mm of precipitation each year. For comparison, New York gets 1142 mm of precipitation annually.
The hurricane season in McAllen runs from June to November.
Best time to visit McAllen?
The best time to visit McAllen for sunny weather is January through April and October through December. During this period, you'll have nice temperatures and not too much rain, making it a great time to visit McAllen. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
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Climate Table of McAllen
The climate table of McAllen shows the average temperatures, rainfall, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 23 | 25 | 29 | 31 | 34 | 37 | 37 | 38 | 36 | 32 | 27 | 23 |
| Temp. min (°C) | 11 | 14 | 18 | 21 | 24 | 26 | 26 | 27 | 25 | 21 | 16 | 13 |
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| Precipitation (mm) | 31 | 21 | 40 | 70 | 138 | 86 | 129 | 47 | 129 | 84 | 91 | 40 |
| UV Index | 6 | 6 | 7 | 7 | 7 | 6 | 9 | 9 | 8 | 7 | 6 | 5 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
Temperature charts
These charts display the average temperatures in McAllen, Texas. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Average Temperature per Month in McAllen
Yearly Temperature in McAllen
Precipitation charts
These charts show the average amount of precipitation in McAllen, Texas. Precipitation is always measured as water, even when it falls as snow or hail. The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Average Precipitation per Month in McAllen
Total Yearly Precipitation in McAllen
UV index chart
This chart shows the average UV index per month in McAllen, Texas. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Average UV Index per Month in McAllen
Weather experiences in McAllen
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Average weather in McAllen by month
Click on a month below to see detailed weather info for McAllen. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.