San Marcos, Texas vs Mercedes, Argentina Climate
76%matchOn climate, Mercedes is a 76% match for San Marcos. Compared with San Marcos, Mercedes has 7°F (4°C) milder winter nights and 5°F (3°C) cooler summer days.
San Marcos gets 36 in (908 mm) of rain a year and Mercedes 49 in (1247 mm). San Marcos's warmest month is August, at 97°F (36°C); Mercedes's is January, at 91°F (33°C).
Mercedes is in the Southern Hemisphere, so its seasons are flipped: San Marcos's July is most like Mercedes's January.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
San MarcosMercedes (6 months later)solid = high, dashed = low
Rain (in per month)
San MarcosMercedes (6 months later)
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| San Marcos | Mercedes | San Marcos | Mercedes | San Marcos | Mercedes | |
| Jan | 63°F(17°C) | 91°F(33°C) | 40°F(4°C) | 69°F(21°C) | 2.4 in(60 mm) | 4.5 in(114 mm) |
| Feb | 67°F(19°C) | 91°F(33°C) | 43°F(6°C) | 68°F(20°C) | 2.4 in(60 mm) | 3.1 in(80 mm) |
| Mar | 73°F(23°C) | 86°F(30°C) | 50°F(10°C) | 64°F(18°C) | 1.9 in(49 mm) | 4.9 in(125 mm) |
| Apr | 80°F(27°C) | 80°F(27°C) | 56°F(14°C) | 59°F(15°C) | 2.5 in(64 mm) | 6.2 in(157 mm) |
| May | 86°F(30°C) | 72°F(22°C) | 65°F(18°C) | 53°F(12°C) | 4.4 in(113 mm) | 3.5 in(90 mm) |
| Jun | 92°F(34°C) | 68°F(20°C) | 72°F(22°C) | 50°F(10°C) | 4.6 in(117 mm) | 2.8 in(71 mm) |
| Jul | 96°F(36°C) | 67°F(20°C) | 74°F(23°C) | 47°F(8°C) | 2.1 in(53 mm) | 1.9 in(49 mm) |
| Aug | 97°F(36°C) | 73°F(23°C) | 73°F(23°C) | 49°F(10°C) | 2.7 in(68 mm) | 2.2 in(56 mm) |
| Sep | 91°F(33°C) | 76°F(24°C) | 68°F(20°C) | 53°F(12°C) | 3.7 in(95 mm) | 3.5 in(88 mm) |
| Oct | 83°F(28°C) | 80°F(26°C) | 58°F(15°C) | 60°F(15°C) | 3.5 in(88 mm) | 5.9 in(151 mm) |
| Nov | 72°F(22°C) | 86°F(30°C) | 48°F(9°C) | 63°F(17°C) | 3.1 in(79 mm) | 5.2 in(131 mm) |
| Dec | 64°F(18°C) | 90°F(32°C) | 41°F(5°C) | 67°F(19°C) | 2.4 in(62 mm) | 5.3 in(135 mm) |
1991–2020 averages, by calendar month.