San Marcos Weather in January
In San Marcos, January brings pleasant daytime temperatures around 20°C (68°F), with nights cooling to 7°C (45°F). Some rainfall is to be expected.
Rainfall in San Marcos in January
Historically, the month has about 6 days of rain, averaging 51 mm (2 in) in total. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in San Marcos in January
San Marcos has excellent weather in January, with days reaching 20°C (68°F) and nights cooling to 7°C (45°F). The winter season is characteristic of January. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 7°C (45°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in San Marcos in January
There are approximately 240 hours of sunshine this month, resulting in mostly clear days.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our San Marcos's climate page.
San Marcos Temperature in January
Min Temperature
7°C (45°F)
Max Temperature
20°C (68°F)
Chance of Rain
19%
Precipitation
51 mm (2 in)
Rainy days
6 days
Humidity
64% *
Sunshine
240 hours *
Percentage Sunshine
75% *
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in San Marcos in January
Comfortable temperatures call for an easy wardrobe in January. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in San Marcos in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our San Marcos's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Marcos climate overview or explore weather in the United States of America.
