January Weather in San Marcos

Last updated: March 2, 2024

The weather in San Marcos, Mexico, during January is characterized by an average temperature of 27°C (80°F). Highs can soar to 35°C (96°F), while lows may dip to 20°C (67°F). Typically, the humidity level in San Marcos throughout January hovers around 65%.

20°C (67°F)

Minimum temperature

27°C (80°F)

Average temperature

35°C (96°F)

Maximum temperature

65%

Humidity

Precipitation and Sunshine hours

In January, San Marcos averages 2 mm (0.1 inches) of rainfall, typically over the course of 0 rainy days. The month enjoys an average of 11 hours 14 minutes of daylight, with the sun shining for approximately 7 hours 51 minutes each day. Additionally, there is a 58% probability of sunny days during this period.

2 mm (0.1 inches)

Precipitation

0 rainy days

Rainy days

7 hours 51 minutes

Sunshine hours

58%

Chance of sun

UV Index

In January, the UV Index in San Marcos reaches a maximum of 9, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00
UVI 0 1 2 5 7 9 9 8 6 3 1 1 0
Exposure Low Moderate High VeryHigh High Moderate Low
Time to burn 45 min 30 min 25 min 15 min 25 min 30 min 45 min

Compare San Marcos's Climate with Cities Worldwide