What’s the climate like in McAllen?
The current climate of McAllen features average monthly temperatures ranging from highs of 38°C during the day to lows of 23°C. 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.
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.
On average, McAllen receives 906 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
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 good 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.
Climate Table of McAllen
The climate table of McAllen shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation 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.
- Average yearly temperature: 31°C
- Highest temperature: 38°C in August
- Lowest temperature: 23°C in January and December
- Precipitation: 906 mm per year, averaging 76 mm per month
- Driest months: 21 mm in February, 31 mm in January and 40 mm in March
- Wettest months: 138 mm in May, 129 mm in July and 129 mm in September
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Table of Contents
Average Temperature per Month in McAllen
This graph shows the average maximum temperatures per month in McAllen, Texas. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in McAllen
This graph shows how much precipitation McAllen, Texas, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in McAllen
This graph 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.
Yearly Temperature in McAllen
This graph shows the average yearly temperature in McAllen, Texas. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in McAllen
This chart shows the total yearly precipitation in McAllen, Texas, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
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.
