March Weather in San Francisco, Mexico

Last updated: August 27, 2025

In San Francisco, Mexico, the average temperature in March is a comfortable 17°C (64°F). Expect a minimum drop to 5°C (42°F) and peak temperatures reaching up to 35°C (95°F). Rain isn't frequent, with only about 14 mm (0.6 in) of precipitation over just 1 day throughout the month. The air remains moderately humid, averaging around 61% humidity, making for pleasant conditions.

March Temperature in San Francisco

In March in San Francisco, the average temperature is 17°C (64°F), with maximums reaching 35°C (95°F) and minimums dropping as low as 5°C (42°F). This moderate climate makes it a great time for outdoor activities and exploration.

March Weather in San Francisco: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in San Francisco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Francisco, March typically has an average temperature of 17°C (64°F), with highs reaching up to 35°C (95°F) and lows dropping to around 5°C (42°F).

Data source: Temperature data for San Francisco generated using information from the Copernicus Climate Change Service.

March Precipitation in San Francisco

In San Francisco in March, the precipitation amount is 14 mm (0.6 in) over the course of 1 day.

March Precipitation Trends in San Francisco

The chart displays monthly precipitation patterns in San Francisco, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In San Francisco, March typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

March Humidity in San Francisco

In San Francisco in March humidity is 61%. With an average temperature of 17°C (64°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls and outdoor explorations, though a light layer might be needed to stay comfortable as the humidity can cling to your skin.

March Average Humidity in San Francisco

This chart illustrates the average monthly humidity levels in San Francisco, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in San Francisco is approximately 61%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in San Francisco

In San Francisco in March, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in San Francisco.

Maximum UV Index Levels in San Francisco for March

The chart shows the monthly maximum UV Index (UVI) for San Francisco in March, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In March, the maximum UV index in San Francisco typically reaches 10, which falls under the very high exposure category.

Data source: San Francisco March UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How March Weather in San Francisco Compares to Other Months

Weather in San Francisco varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in San Francisco, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Francisco, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (61°F)	12 mm (0.5 inches)	71%	high
February Weather	16°C (62°F)	10 mm (0.4 inches)	69%	very high
March Weather	17°C (64°F)	14 mm (0.6 inches)	61%	very high
April Weather	19°C (67°F)	1 mm (0.0 inches)	58%	extreme
May Weather	19°C (67°F)	1 mm (0.0 inches)	61%	extreme
June Weather	22°C (72°F)	1 mm (0.0 inches)	61%	extreme
July Weather	26°C (79°F)	2 mm (0.1 inches)	63%	extreme
August Weather	27°C (81°F)	2 mm (0.1 inches)	70%	extreme
September Weather	26°C (79°F)	11 mm (0.4 inches)	75%	extreme
October Weather	23°C (74°F)	9 mm (0.4 inches)	71%	very high
November Weather	20°C (68°F)	15 mm (0.6 inches)	72%	high
December Weather	16°C (62°F)	12 mm (0.5 inches)	72%	moderate