Plano vs San Marcos, Texas Climate
95%matchPlano vs San Marcos: a 95% climate match. Very close: temperatures within 4°F (2°C), with similar rain, humidity and sun.
Plano gets 39 in (1002 mm) of rain a year and San Marcos 36 in (908 mm). Plano's warmest month is July, at 96°F (36°C); San Marcos's is August, at 97°F (36°C).
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
PlanoSan Marcossolid = high, dashed = low
Rain (in per month)
PlanoSan Marcos
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Plano | San Marcos | Plano | San Marcos | Plano | San Marcos | |
| Jan | 57°F(14°C) | 63°F(17°C) | 36°F(2°C) | 40°F(4°C) | 2.2 in(56 mm) | 2.4 in(60 mm) |
| Feb | 62°F(16°C) | 67°F(19°C) | 40°F(4°C) | 43°F(6°C) | 2.8 in(71 mm) | 2.4 in(60 mm) |
| Mar | 69°F(21°C) | 73°F(23°C) | 47°F(8°C) | 50°F(10°C) | 3.3 in(85 mm) | 1.9 in(49 mm) |
| Apr | 78°F(25°C) | 80°F(27°C) | 55°F(13°C) | 56°F(14°C) | 3.9 in(100 mm) | 2.5 in(64 mm) |
| May | 85°F(29°C) | 86°F(30°C) | 64°F(18°C) | 65°F(18°C) | 5.3 in(134 mm) | 4.4 in(113 mm) |
| Jun | 92°F(33°C) | 92°F(34°C) | 72°F(22°C) | 72°F(22°C) | 4.1 in(104 mm) | 4.6 in(117 mm) |
| Jul | 96°F(36°C) | 96°F(36°C) | 75°F(24°C) | 74°F(23°C) | 2.3 in(59 mm) | 2.1 in(53 mm) |
| Aug | 96°F(36°C) | 97°F(36°C) | 75°F(24°C) | 73°F(23°C) | 2.4 in(60 mm) | 2.7 in(68 mm) |
| Sep | 90°F(32°C) | 91°F(33°C) | 67°F(20°C) | 68°F(20°C) | 3.8 in(96 mm) | 3.7 in(95 mm) |
| Oct | 80°F(27°C) | 83°F(28°C) | 56°F(13°C) | 58°F(15°C) | 3.9 in(98 mm) | 3.5 in(88 mm) |
| Nov | 67°F(20°C) | 72°F(22°C) | 46°F(8°C) | 48°F(9°C) | 2.7 in(69 mm) | 3.1 in(79 mm) |
| Dec | 58°F(14°C) | 64°F(18°C) | 37°F(3°C) | 41°F(5°C) | 2.8 in(70 mm) | 2.4 in(62 mm) |
1991–2020 averages, by calendar month.