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March Weather in San Francisco, Peru

Last updated: August 27, 2025

In March, the average temperature in San Francisco, Peru hovers around 16°C (61°F), with a minimum dropping to 10°C (49°F) and a maximum peaking at 24°C (76°F). Expect considerable precipitation, with around 465 mm (18.3 in) spread over 29 days, contributing to a high average humidity of 92%. Embrace the wet and mild climate!

March Temperature in San Francisco

In March in San Francisco, the average temperature is 16°C (61°F). Maximum can reach 24°C (76°F) and minimum can be as low as 10°C (49°F). This mild climate makes San Francisco an ideal destination for travelers looking to enjoy pleasant outdoor activities.

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 16°C (61°F), with highs reaching up to 24°C (76°F) and lows dropping to around 10°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec616161605959585859616261
Data source: Temperature data for San Francisco generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in San Francisco

In San Francisco in March, the total precipitation amount is 465 mm (18.3 in) over a span of 29 days.

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 465 mm (18.3 inches) of precipitation spread over approximately 29 days.
JanFebMarAprMayJunJulAugSepOctNovDec408401465282105402764189299325325
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in San Francisco

In San Francisco in March, humidity is 92%. With an average temperature of 16°C (61°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities somewhat stifling and prompting travelers to seek shade and stay hydrated.

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 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%92%90%85%70%55%44%52%65%81%89%
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 an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in San Francisco, you can check 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 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171717161311121315171716
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.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)408 mm (16.0 inches)93%extreme
February Weather16°C (61°F)401 mm (15.8 inches)92%extreme
March Weather16°C (61°F)465 mm (18.3 inches)92%extreme
April Weather16°C (61°F)282 mm (11.1 inches)90%extreme
May Weather15°C (60°F)105 mm (4.1 inches)85%extreme
June Weather15°C (59°F)40 mm (1.6 inches)70%extreme
July Weather14°C (58°F)27 mm (1.1 inches)54%extreme
August Weather15°C (58°F)64 mm (2.5 inches)44%extreme
September Weather15°C (60°F)189 mm (7.5 inches)52%extreme
October Weather16°C (61°F)299 mm (11.8 inches)65%extreme
November Weather16°C (62°F)325 mm (12.8 inches)81%extreme
December Weather16°C (62°F)325 mm (12.8 inches)89%extreme

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