McAllen Weather in August

Thinking of visiting McAllen in August? Expect extremely high temperatures reaching 37°C (99°F) during the day, dropping to 25°C (77°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in McAllen in August

Historically, the month has about 7 days of rain, averaging 61 mm (2.4 in) in total. Showers tend to be short but heavy rather than persistent drizzle. When it rains, it usually means it, but it doesn't last long.

Temperature in McAllen in August

Temperatures in McAllen in August top out at 37°C (99°F) and drop to 25°C (77°F) overnight. Indoor breaks or shaded spots can make the warmer part of the day much more comfortable. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably. Average temperatures can be deceiving; some days will be hotter. Wear breathable fabrics and drink plenty of water to stay cool.

August in McAllen has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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For a detailed overview over the year and the best time to visit the United States of America, check out our McAllen's climate page.

McAllen Temperature in August

Min Temperature 25°C (77°F)  

Max Temperature 37°C (99°F)  

Chance of Rain 22%  

Precipitation 61 mm (2.4 in)  

Rainy days 7 days  

What to Wear in McAllen in August

Get ready for hot weather in August! Lightweight, breathable fabrics are your best friend during this month. Cotton and linen shirts, shorts, sundresses, and sandals will keep you comfortable. Light colors help reflect the heat, avoid wearing black. Rain is likely on several days, so bring a good rain jacket.

What To Do in McAllen in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Camping

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our McAllen's climate page.

More climate data for McAllen

Temperature Rainfall

See the full McAllen climate overview or explore weather in the United States of America.