McAllen weather by month & the best time to visit
United States · regional city · semi-arid climate

The best time to visit McAllen is February — its sunniest month (Sunshine Score 91/100), with January and March close behind. McAllen averages about 2,689 hours of sunshine a year. Daytime highs around 25°C / 77°F and roughly 20 mm of rain in February.
When is the best time to visit McAllen?
For sunshine, the best time to visit McAllen is February, then January and March. The dullest month is June (49/100, 71 mm of rain). The full month-by-month picture is in the table below.
How sunny is McAllen?
McAllen gets a lot of sun: around 2,689 hours a year. February (91/100) is noticeably better than June (49). It ranks #147 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. Rain has a clear season: the wettest stretch, around August, carries about 42% of the annual 604 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 90 | 22° / 72°F | 10° / 50°F | 24 mm | 4 |
| February | 91 | 25° / 77°F | 12° / 54°F | 20 mm | 6 |
| March | 90 | 29° / 84°F | 15° / 59°F | 27 mm | 7 |
| April | 89 | 32° / 90°F | 19° / 66°F | 34 mm | 8 |
| May | 68 | 34° / 93°F | 22° / 72°F | 53 mm | 9 |
| June | 49 | 36° / 97°F | 24° / 75°F | 71 mm | 10 |
| July | 57 | 35° / 95°F | 24° / 75°F | 75 mm | 10 |
| August | 52 | 36° / 97°F | 25° / 77°F | 42 mm | 10 |
| September | 63 | 33° / 91°F | 23° / 73°F | 134 mm | 8 |
| October | 84 | 31° / 88°F | 20° / 68°F | 57 mm | 7 |
| November | 88 | 27° / 81°F | 15° / 59°F | 38 mm | 5 |
| December | 89 | 23° / 73°F | 11° / 52°F | 29 mm | 4 |
Nearest destinations
Head-to-head
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McAllen: questions and answers
What kind of destination is McAllen?
McAllen is a regional city in United States with a semi-arid climate.
How many hours of sunshine does McAllen get a year?
McAllen gets about 2,689 hours of sunshine a year, at its best around February.
When is the best time to visit McAllen?
The sunniest time to visit McAllen is February, when the Sunshine Score peaks at 91/100 (with January and March close behind). Expect daytime highs around 25°C / 77°F.
What is the least sunny month in McAllen?
June is the least sunny month in McAllen, scoring 49/100 with about 71 mm of rain.
How strong is the sun in McAllen?
The typical midday UV index in McAllen peaks around 10 (very high) in June, easing to about 4 (moderate) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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