Click on a day for an hourly weather forecast
The temperatures in Mcallen in March are comfortable with low of 18°C and and high up to 28°C.
You can expect a few rainy days in Mcallen during March, but usually the weather is comfortable in March.
Our weather forecast can give you a great sense of what weather to expect in Mcallen in March 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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 21° / 13° | 3 | 28 | 0 | 46 mm | Good | Mcallen in January |
| February | 24° / 15° | 2 | 26 | 0 | 29 mm | Perfect | Mcallen in February |
| March | 28° / 18° | 2 | 29 | 0 | 34 mm | Perfect | Mcallen in March |
| April | 31° / 20° | 3 | 27 | 0 | 41 mm | Good | Mcallen in April |
| May | 33° / 23° | 4 | 27 | 0 | 74 mm | Good | Mcallen in May |
| June | 35° / 25° | 5 | 25 | 0 | 90 mm | Ok | Mcallen in June |
| July | 36° / 26° | 3 | 28 | 0 | 80 mm | Ok | Mcallen in July |
| August | 37° / 27° | 3 | 28 | 0 | 47 mm | Ok | Mcallen in August |
| September | 34° / 26° | 7 | 23 | 0 | 137 mm | Bad | Mcallen in September |
| October | 31° / 22° | 3 | 28 | 0 | 48 mm | Good | Mcallen in October |
| November | 26° / 18° | 3 | 27 | 0 | 51 mm | Perfect | Mcallen in November |
| December | 23° / 15° | 3 | 28 | 0 | 52 mm | Perfect | Mcallen in December |