McAllen vs San Fernando, Mexico Climate
95%matchOn climate, San Fernando is a 95% match for McAllen. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.
McAllen gets 23 in (581 mm) of rain a year and San Fernando 26 in (668 mm). August is the warmest month in both, with highs of 99°F (37°C) in McAllen and 98°F (37°C) in San Fernando.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
McAllenSan Fernandosolid = high, dashed = low
Rain (in per month)
McAllenSan Fernando
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| McAllen | San Fernando | McAllen | San Fernando | McAllen | San Fernando | |
| Jan | 71°F(22°C) | 73°F(23°C) | 50°F(10°C) | 49°F(9°C) | 1.0 in(26 mm) | 0.9 in(22 mm) |
| Feb | 76°F(25°C) | 78°F(26°C) | 54°F(12°C) | 53°F(12°C) | 0.9 in(23 mm) | 0.6 in(15 mm) |
| Mar | 82°F(28°C) | 83°F(28°C) | 59°F(15°C) | 58°F(15°C) | 0.8 in(21 mm) | 0.9 in(24 mm) |
| Apr | 88°F(31°C) | 89°F(31°C) | 65°F(19°C) | 65°F(18°C) | 1.2 in(30 mm) | 1.4 in(36 mm) |
| May | 92°F(33°C) | 93°F(34°C) | 71°F(22°C) | 71°F(22°C) | 2.5 in(63 mm) | 1.9 in(49 mm) |
| Jun | 96°F(36°C) | 96°F(36°C) | 75°F(24°C) | 74°F(23°C) | 2.6 in(66 mm) | 3.6 in(91 mm) |
| Jul | 97°F(36°C) | 97°F(36°C) | 76°F(24°C) | 74°F(24°C) | 2.8 in(71 mm) | 3.1 in(80 mm) |
| Aug | 99°F(37°C) | 98°F(37°C) | 76°F(25°C) | 74°F(23°C) | 1.5 in(39 mm) | 3.0 in(75 mm) |
| Sep | 94°F(34°C) | 93°F(34°C) | 73°F(23°C) | 71°F(22°C) | 4.5 in(114 mm) | 5.6 in(141 mm) |
| Oct | 88°F(31°C) | 88°F(31°C) | 66°F(19°C) | 65°F(18°C) | 2.6 in(65 mm) | 2.9 in(74 mm) |
| Nov | 80°F(27°C) | 81°F(27°C) | 58°F(14°C) | 57°F(14°C) | 1.3 in(33 mm) | 1.4 in(36 mm) |
| Dec | 73°F(23°C) | 74°F(23°C) | 51°F(11°C) | 50°F(10°C) | 1.2 in(30 mm) | 1.0 in(25 mm) |
1991–2020 averages, by calendar month.