Best Time to Visit McAllen
Best time: Mar, Apr, Nov, Feb.
Aug is warmest (36°C high); Sep is rainiest (100 mm).
McAllen weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 20.7 | 9.2 | 34 | 4.8 |
| Feb | 23.3 | 11 | 32 | 5.9 |
| Mar | 27.5 | 14.6 | 16 | 7.2 |
| Apr | 30.4 | 18 | 36 | 8.4 |
| May | 32.4 | 21.4 | 75 | 9.3 |
| Jun | 34.6 | 23.3 | 69 | 10 |
| Jul | 35.6 | 23.8 | 45 | 10.4 |
| Aug | 36 | 23.8 | 53 | 9.7 |
| Sep | 33.8 | 22.3 | 100 | 8.2 |
| Oct | 30.4 | 18.3 | 57 | 6.9 |
| Nov | 26 | 14 | 26 | 5.4 |
| Dec | 22.2 | 10.4 | 28 | 4.5 |
Average high temperature
Best months by activity
Overall: MarAprNovFeb
Beaches: MarAprJulAug
Hiking: MarNovFebDec
Sightseeing: MarAprNovFeb
McAllen quick facts
What to pack
Hot months (Jun, Jul, Aug): light clothes, sunscreen, hat.
Wet months (Sep): raincoat and umbrella.
Frequently asked questions
When is the best time to visit McAllen?
Mar, Apr, Nov, Feb.
What is the rainiest month?
Sep, about 100 mm.
What is the warmest month?
Aug, with average highs of 36°C.
Where to stay
See McAllen hotels · Book McAllen tours & activities
All destinations · Best time to visit New York · Best time to visit Los Angeles · Best time to visit Miami · Best time to visit San Francisco
Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.