Last updated: June 24, 2025
The average temperature in Tamalpais Valley, United States during March is a mild 12°C (54°F). Temperatures can vary significantly, with a minimum of 4°C (39°F) and a maximum reaching 24°C (75°F). Expect about 80 mm (3.1 in) of precipitation over 10 days, contributing to an average humidity level of 82%.
In March in Tamalpais Valley, the average temperature is 12°C (54°F). Maximum temperatures can reach 24°C (75°F), while minimums can drop as low as 4°C (39°F). This pleasant and mild climate makes Tamalpais Valley a great destination for travelers looking to enjoy outdoor activities and sightseeing.
In Tamalpais Valley in March, the total precipitation amount is 80 mm (3.1 in) over a period of 10 days.
In Tamalpais Valley in March humidity is 82%. With an average temperature of 12°C (54°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and sweat-inducing, which can be quite uncomfortable for traveling.
In Tamalpais Valley in March, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Tamalpais Valley.
UV Risk Categories
Weather in Tamalpais Valley varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Tamalpais Valley, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 10°C (51°F) | 111 mm (4.4 inches) | 85% | moderate |
February Weather | 11°C (52°F) | 116 mm (4.6 inches) | 82% | moderate |
March Weather | 12°C (54°F) | 80 mm (3.1 inches) | 82% | very high |
April Weather | 14°C (57°F) | 35 mm (1.4 inches) | 79% | very high |
May Weather | 15°C (60°F) | 20 mm (0.8 inches) | 83% | very high |
June Weather | 17°C (63°F) | 2 mm (0.1 inches) | 84% | extreme |
July Weather | 17°C (63°F) | 2 mm (0.1 inches) | 87% | extreme |
August Weather | 18°C (64°F) | 1 mm (0.1 inches) | 87% | very high |
September Weather | 18°C (65°F) | 2 mm (0.1 inches) | 86% | very high |
October Weather | 16°C (62°F) | 30 mm (1.2 inches) | 80% | high |
November Weather | 13°C (55°F) | 48 mm (1.9 inches) | 79% | moderate |
December Weather | 10°C (51°F) | 98 mm (3.9 inches) | 79% | moderate |