Last updated: March 2, 2024
The weather in San Marcos, United States, during March is characterized by an average temperature of 17°C (64°F). Highs can soar to 30°C (87°F), while lows may dip to 3°C (37°F). Typically, the humidity level in San Marcos throughout March hovers around 74%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In March, San Marcos averages 67 mm (2.6 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 12 hours 0 minutes of daylight, with the sun shining for approximately 7 hours 23 minutes each day. Additionally, there is a 50% probability of sunny days during this period.
Precipitation
Rainy days
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Chance of sun
In March, 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 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.
| 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 | 1 | 1 | 3 | 5 | 7 | 8 | 9 | 9 | 8 | 5 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | Moderate | Low | |||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 30 min | 45 min | |||||||