San Marcos weather in October 2025

The temperatures in San Marcos in October are comfortable with low of 16°C and and high up to 25°C.

As it is almost never rain during October in San Marcos the weather is perfect for hanging out outside and exploring all that San Marcos has to offer.

Our weather forecast can give you a great sense of what weather to expect in San Marcos in October 2025.

If you’re planning to visit San Marcos in the near future, we highly recommend that you review the 14 day weather forecast for San Marcos before you arrive.

Temperatures

25° / 16°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

10.8

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
			1 25° /15°	2 26° /16°	3 26° /17°	4 28° /18°
5 29° /18°	6 30° /19°	7 31° /19°	8 30° /19°	9 28° /18°	10 27° /17°	11 25° /16°
12 24° /16°	13 23° /15°	14 23° /15°	15 22° /16°	16 23° /16°	17 23° /16°	18 26° /16°
19 31° /17°	20 30° /17°	21 26° /16°	22 23° /15°	23 20° /15°	24 24° /14°	25 23° /14°
26 23° /14°	27 23° /14°	28 20° /13°	29 22° /11°	30 25° /11°	31 24° /12°

Explore the weather in San Marcos in other months

San Marcos annual weather

Month	Temperatures	Rainy Days	Dry Days	Rainfall	Weather	More details
January	19° / 10°	2	29	41 mm	Good	San Marcos in January
February	19° / 10°	2	26	46 mm	Good	San Marcos in February
March	19° / 10°	2	29	34 mm	Good	San Marcos in March
April	21° / 11°	0	30	15 mm	Good	San Marcos in April
May	22° / 13°	1	30	14 mm	Good	San Marcos in May
June	25° / 15°	0	30	3 mm	Perfect	San Marcos in June
July	28° / 18°	1	30	14 mm	Perfect	San Marcos in July
August	29° / 19°	1	30	10 mm	Good	San Marcos in August
September	28° / 19°	0	30	9 mm	Perfect	San Marcos in September
October	25° / 16°	0	31	11 mm	Perfect	San Marcos in October
November	22° / 13°	1	29	27 mm	Good	San Marcos in November
December	18° / 10°	3	28	49 mm	Good	San Marcos in December

Temperatures in San Marcos in October

Rain in San Marcos in October

Weather in San Marcos in October - FAQ

What is the average temperature in San Marcos in October?

The average temperature in San Marcos in October is 16/25° C.

What is the chance of rain in San Marcos in October?

On average, there are 0 rainy days in San Marcos during October.

Weather wise, is October a good time to visit San Marcos?

The weather in San Marcos in October is perfect.

Can it snow in San Marcos in October?

On average, there are 0 snowy days in San Marcos in October.

More about the weather in San Marcos