Weather in August 2025

Mcallen weather in August 2025

°C °F

The average weather in Mcallen in August

The temperatures in Mcallen during August are extremely high, between 27°C and hot as 37°C, drinking water regularly is advisable.

You can expect about 3 to 8 days of rain in Mcallen during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Mcallen in August 2025.

If you’re planning to visit Mcallen in the near future, we highly recommend that you review the 14 day weather forecast for Mcallen before you arrive.

Temperatures
37° / 27°
Rainy Days
3
Snowy Days
0
Dry Days
28
Rainfall
47
mm
Sun Hours
11.8
Hrs

Explore the weather in Mcallen in other months

Mcallen annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January 21° / 13° 3 28 0 46 mm
Good
February 24° / 15° 2 26 0 29 mm
Perfect
March 28° / 18° 2 29 0 34 mm
Perfect
April 31° / 20° 3 27 0 41 mm
Good
May 33° / 23° 4 27 0 74 mm
Good
June 35° / 25° 5 25 0 90 mm
Ok
July 36° / 26° 3 28 0 80 mm
Ok
August 37° / 27° 3 28 0 47 mm
Ok
September 34° / 26° 7 23 0 137 mm
Bad
October 31° / 22° 3 28 0 48 mm
Good
November 26° / 18° 3 27 0 51 mm
Perfect
December 23° / 15° 3 28 0 52 mm
Perfect

Weather in Mcallen in August - FAQ

What is the average temperature in Mcallen in August?
The average temperature in Mcallen in August is 27/37° C.
What is the chance of rain in Mcallen in August?
On average, there are 3 rainy days in Mcallen during August.
Weather wise, is August a good time to visit Mcallen?
The weather in Mcallen in August is ok.
Can it snow in Mcallen in August?
On average, there are 0 snowy days in Mcallen in August.
More about the weather in Mcallen