Typical Weather in McAllen, TX in May
91° F Avg High
72° F Avg Low
3 Rainy Days
☀️ Temperature Summary
Highs in May are typically around 91°F, which is warmer than usual in McAllen. Lows overnight are typically around 72°F. Daily high temperatures can range between 88°F and 93°F, and typically fall throughout the month.
Be ready to seek shade during the day, as mid-day temperatures can be dangerous if you're caught without a way to cool off.
High Temps Throughout the Year
🎒 What to Pack
Pick up a few of these items to keep your trip fun and comfortable.
☔ Rain Summary
You can expect about a 9% chance of rain for any given day in May. It's one of the rainier months of the year for McAllen, with total rainfall for the month around 2 inches.
Rainfall Throughout the Year
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