Last updated: June 24, 2025
In March, the average temperature in Alamo Heights, United States hovers around 18°C (65°F). Expect a wide range of temperatures, with minimums dipping to -3°C (27°F) and maximums peaking at 33°C (91°F). Throughout the month, 62 mm (2.5 in) of precipitation may fall over 9 days, while humidity levels typically remain high at 74%.
In March in Alamo Heights, the average temperature is 18°C (65°F). The maximum can reach 33°C (91°F), and the minimum can be as low as -3°C (27°F). Be prepared for a wide range of temperatures when planning your travels to Alamo Heights during this month.
In Alamo Heights in March, the precipitation amount is 62 mm (2.5 in) over a span of 9 days, indicating a relatively wet period.
In Alamo Heights in March humidity is 74%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can make even short walks feel laborious, leading travelers to seek shade and refreshment more often.
In Alamo Heights 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 Alamo Heights.
UV Risk Categories
Weather in Alamo Heights varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Alamo Heights, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 11°C (53°F) | 44 mm (1.7 inches) | 79% | moderate |
| February Weather | 13°C (55°F) | 58 mm (2.3 inches) | 79% | very high |
| March Weather | 18°C (65°F) | 62 mm (2.5 inches) | 74% | very high |
| April Weather | 21°C (70°F) | 71 mm (2.8 inches) | 76% | extreme |
| May Weather | 25°C (77°F) | 130 mm (5.1 inches) | 81% | extreme |
| June Weather | 28°C (83°F) | 78 mm (3.1 inches) | 76% | extreme |
| July Weather | 29°C (85°F) | 69 mm (2.7 inches) | 66% | extreme |
| August Weather | 30°C (86°F) | 56 mm (2.2 inches) | 58% | extreme |
| September Weather | 27°C (80°F) | 117 mm (4.6 inches) | 65% | extreme |
| October Weather | 22°C (72°F) | 89 mm (3.5 inches) | 74% | very high |
| November Weather | 16°C (61°F) | 46 mm (1.8 inches) | 81% | high |
| December Weather | 13°C (56°F) | 57 mm (2.3 inches) | 86% | moderate |