McKinney vs San Marcos, Texas Climate
94%matchMcKinney and San Marcos are a 94% climate match. Compared with McKinney, San Marcos has the same summer highs and 5°F (3°C) milder winter nights.
McKinney gets 40 in (1021 mm) of rain a year and San Marcos 36 in (908 mm). August is the warmest month in both, with highs of 96°F (36°C) in McKinney and 97°F (36°C) in San Marcos.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
McKinneySan Marcossolid = high, dashed = low
Rain (in per month)
McKinneySan Marcos
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| McKinney | San Marcos | McKinney | San Marcos | McKinney | San Marcos | |
| Jan | 56°F(13°C) | 63°F(17°C) | 34°F(1°C) | 40°F(4°C) | 2.2 in(57 mm) | 2.4 in(60 mm) |
| Feb | 61°F(16°C) | 67°F(19°C) | 38°F(4°C) | 43°F(6°C) | 2.8 in(72 mm) | 2.4 in(60 mm) |
| Mar | 69°F(20°C) | 73°F(23°C) | 46°F(8°C) | 50°F(10°C) | 3.4 in(86 mm) | 1.9 in(49 mm) |
| Apr | 77°F(25°C) | 80°F(27°C) | 53°F(12°C) | 56°F(14°C) | 3.8 in(96 mm) | 2.5 in(64 mm) |
| May | 84°F(29°C) | 86°F(30°C) | 63°F(17°C) | 65°F(18°C) | 5.5 in(139 mm) | 4.4 in(113 mm) |
| Jun | 91°F(33°C) | 92°F(34°C) | 71°F(21°C) | 72°F(22°C) | 4.1 in(104 mm) | 4.6 in(117 mm) |
| Jul | 96°F(36°C) | 96°F(36°C) | 74°F(23°C) | 74°F(23°C) | 2.3 in(59 mm) | 2.1 in(53 mm) |
| Aug | 96°F(36°C) | 97°F(36°C) | 73°F(23°C) | 73°F(23°C) | 2.3 in(58 mm) | 2.7 in(68 mm) |
| Sep | 89°F(32°C) | 91°F(33°C) | 66°F(19°C) | 68°F(20°C) | 4.3 in(108 mm) | 3.7 in(95 mm) |
| Oct | 79°F(26°C) | 83°F(28°C) | 55°F(13°C) | 58°F(15°C) | 3.7 in(94 mm) | 3.5 in(88 mm) |
| Nov | 67°F(19°C) | 72°F(22°C) | 44°F(7°C) | 48°F(9°C) | 3.0 in(75 mm) | 3.1 in(79 mm) |
| Dec | 57°F(14°C) | 64°F(18°C) | 36°F(2°C) | 41°F(5°C) | 2.9 in(73 mm) | 2.4 in(62 mm) |
1991–2020 averages, by calendar month.