San Marcos Weather History Texas, United States of America

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
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Wed 12 Aug, 2026 Weather in San Marcos

Sunrise: 06:57 AM Sunset: 08:15 PM	Moonrise: 06:27 AM Moonset: 08:17 PM	Max: 38.0 °c	Min: 26.4 °c	Avg: 31.4 °c	Precip: 0.00 mm	Max Wind: 24.9 kph

	Wed 12 0:00 am	Wed 12 3:00 am	Wed 12 6:00 am	Wed 12 9:00 am	Wed 12 12:00 pm	Wed 12 3:00 pm	Wed 12 6:00 pm	Wed 12 9:00 pm
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Temp	28.5°c	27.1°c	26.5°c	28.2°c	34.3°c	37.6°c	36.5°c	32.2°c
Wind	23.4 kmph	16.9 kmph	11.2 kmph	20.2 kmph	18.1 kmph	21.6 kmph	20.9 kmph	24.6 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	0%	55%	19%	55%	2%	2%	45%	0%
Humidity	69%	74%	87%	76%	52%	36%	32%	52%
Pressure	1015 mb	1015 mb	1015 mb	1016 mb	1014 mb	1011 mb	1009 mb	1010 mb

San Marcos Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	16°C / 61°F	6°C / 43°F	11°C / 51°F	214 hours	72.64 mm / 2.86 In	4 days	1021 mb / 31 In
February	18°C / 64°F	8°C / 47°F	13°C / 55°F	161 hours	51.81 mm / 2.04 In	5 days	1019 mb / 31 In
March	23°C / 73°F	12°C / 53°F	17°C / 62°F	166 hours	84.03 mm / 3.31 In	5 days	1016 mb / 30 In
April	26°C / 79°F	15°C / 59°F	20°C / 68°F	147 hours	105.10 mm / 4.14 In	6 days	1014 mb / 30 In
May	30°C / 85°F	19°C / 66°F	24°C / 75°F	138 hours	163.05 mm / 6.42 In	9 days	1012 mb / 30 In
June	33°C / 92°F	22°C / 72°F	28°C / 82°F	165 hours	85.18 mm / 3.35 In	7 days	1012 mb / 30 In
July	35°C / 95°F	23°C / 74°F	29°C / 84°F	206 hours	62.88 mm / 2.48 In	6 days	1014 mb / 30 In
August	36°C / 97°F	24°C / 75°F	30°C / 85°F	258 hours	77.41 mm / 3.05 In	6 days	1013 mb / 30 In
September	32°C / 90°F	22°C / 71°F	27°C / 80°F	197 hours	100.53 mm / 3.96 In	7 days	1014 mb / 30 In
October	28°C / 82°F	17°C / 62°F	22°C / 71°F	206 hours	94.63 mm / 3.73 In	5 days	1016 mb / 30 In
November	21°C / 70°F	11°C / 53°F	16°C / 60°F	185 hours	79.21 mm / 3.12 In	5 days	1019 mb / 31 In
December	17°C / 63°F	8°C / 47°F	12°C / 54°F	181 hours	67.08 mm / 2.64 In	4 days	1019 mb / 31 In

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