Last updated: June 24, 2025
In March, the average temperature in San Leon, United States hovers around 19°C (66°F). Expect a range with a minimum of 0°C (32°F) and a maximum peaking at 28°C (83°F). During this time, precipitation typically totals 68 mm (2.7 in) over approximately 11 days, while the average humidity stands at a comfortable 76%.
In March in San Leon, the average temperature is 19°C (66°F). Maximums can reach 28°C (83°F), while minimums can drop as low as 0°C (32°F). This makes it a great time for travelers to experience a range of weather, from warm days to cooler nights, so be sure to pack accordingly!
In San Leon in March, the total precipitation amount is 68 mm (2.7 in) spread over a duration of 11 days.
In San Leon in March, humidity is 76%. With an average temperature of 19°C (66°F), this humidity feels like a warm, thick blanket wrapping around you, making travel mildly uncomfortable and encouraging frequent breaks in shaded or air-conditioned areas.
In San Leon in March, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in San Leon.
UV Risk Categories
Weather in San Leon varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in San Leon, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 13°C (55°F) | 78 mm (3.1 inches) | 78% | moderate |
| February Weather | 15°C (59°F) | 86 mm (3.4 inches) | 81% | very high |
| March Weather | 19°C (66°F) | 68 mm (2.7 inches) | 76% | very high |
| April Weather | 21°C (70°F) | 98 mm (3.9 inches) | 79% | extreme |
| May Weather | 25°C (77°F) | 168 mm (6.6 inches) | 79% | extreme |
| June Weather | 28°C (82°F) | 166 mm (6.5 inches) | 74% | extreme |
| July Weather | 28°C (83°F) | 150 mm (5.9 inches) | 71% | extreme |
| August Weather | 29°C (84°F) | 208 mm (8.2 inches) | 68% | extreme |
| September Weather | 27°C (81°F) | 216 mm (8.5 inches) | 73% | very high |
| October Weather | 23°C (73°F) | 121 mm (4.7 inches) | 75% | very high |
| November Weather | 17°C (63°F) | 78 mm (3.1 inches) | 78% | high |
| December Weather | 15°C (59°F) | 104 mm (4.1 inches) | 84% | moderate |