San Marcos December Weather Averages Texas, United States of America

December Weather Averages for San Marcos

High Temp	17°C	63°F
Low Temp	8°C	47°F
Avg Temp	12°C	54°F
Sunshine Hours	185 hours
Rainfall	67.98 mm	2.68 In
Rain days	4 days
Pressure	1019 mb	31 In

San Marcos December Averages Year by Year

Year	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
2008	17°C / 63°F	7°C / 44°F	12°C / 53°F	195 hours	19.50 mm / 0.77 In	2 days	1020 mb / 31 In
2009	13°C / 55°F	4°C / 40°F	8°C / 46°F	210 hours	48.69 mm / 1.92 In	3 days	1019 mb / 31 In
2010	17°C / 63°F	7°C / 44°F	11°C / 53°F	261 hours	19.22 mm / 0.76 In	3 days	1019 mb / 31 In
2011	15°C / 59°F	7°C / 45°F	11°C / 51°F	129 hours	121.72 mm / 4.79 In	10 days	1021 mb / 31 In
2012	19°C / 65°F	9°C / 48°F	13°C / 56°F	202 hours	18.90 mm / 0.74 In	1 days	1017 mb / 31 In
2013	15°C / 58°F	5°C / 41°F	9°C / 48°F	228 hours	18.50 mm / 0.73 In	3 days	1021 mb / 31 In
2014	16°C / 61°F	9°C / 48°F	12°C / 54°F	108 hours	40.60 mm / 1.60 In	6 days	1020 mb / 31 In
2015	19°C / 66°F	10°C / 50°F	14°C / 57°F	185 hours	79.82 mm / 3.14 In	4 days	1016 mb / 30 In
2016	16°C / 61°F	9°C / 48°F	12°C / 53°F	128 hours	115.40 mm / 4.54 In	7 days	1021 mb / 31 In
2017	16°C / 61°F	7°C / 45°F	11°C / 52°F	170 hours	79.38 mm / 3.13 In	7 days	1022 mb / 31 In
2018	16°C / 61°F	8°C / 46°F	11°C / 53°F	201 hours	191.11 mm / 7.52 In	6 days	1019 mb / 31 In
2019	18°C / 65°F	8°C / 46°F	13°C / 55°F	273 hours	23.30 mm / 0.92 In	3 days	1019 mb / 31 In
2020	17°C / 63°F	8°C / 46°F	12°C / 54°F	245 hours	101.32 mm / 3.99 In	4 days	1019 mb / 31 In
2021	23°C / 73°F	14°C / 57°F	18°C / 64°F	103 hours	36.20 mm / 1.43 In	2 days	1015 mb / 30 In
2022	18°C / 64°F	9°C / 48°F	13°C / 55°F	125 hours	46.10 mm / 1.81 In	3 days	1019 mb / 31 In
2023	20°C / 68°F	9°C / 48°F	14°C / 57°F	232 hours	32.62 mm / 1.28 In	1 days	1020 mb / 31 In
2024	19°C / 67°F	10°C / 49°F	14°C / 57°F	152 hours	114.75 mm / 4.52 In	6 days	1022 mb / 31 In

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