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March Weather in San Clemente, Mexico

Last updated: August 27, 2025

In March, the average temperature in San Clemente, Mexico is a comfortable 20°C (69°F). Temperatures can range from a cool 8°C (46°F) to a warm 34°C (93°F), making it a versatile month for outdoor activities. Expect minimal rainfall, with only 3 mm (0.1 in) falling over just 1 day. The average humidity sits at a pleasant 59%, ensuring a delightful climate throughout the month.

March Temperature in San Clemente

In March in San Clemente, the average temperature is 20°C (69°F). The maximum can reach 34°C (93°F) and the minimum can be as low as 8°C (46°F). This makes it an ideal time for travelers to enjoy a variety of outdoor activities while experiencing comfortable weather.

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

The chart illustrates March temperature patterns in San Clemente, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Clemente, March typically has an average temperature of 20°C (69°F), with highs reaching up to 34°C (93°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec636569717372707070706764
Data source: Temperature data for San Clemente 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 Clemente

In San Clemente in March, the precipitation amount is 3 mm (0.1 in) over the course of 1 day.

March Precipitation Trends in San Clemente

The chart displays monthly precipitation patterns in San Clemente, 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 Clemente, March typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec132632291611782212201012416
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in San Clemente

In San Clemente in March humidity is 59%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls while ensuring you stay refreshed and hydrated during your travels.

March Average Humidity in San Clemente

This chart illustrates the average monthly humidity levels in San Clemente, 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 Clemente is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%65%59%60%67%80%81%83%83%80%77%76%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in San Clemente

In San Clemente in March, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Clemente, you can check here.

Maximum UV Index Levels in San Clemente for March

The chart shows the monthly maximum UV Index (UVI) for San Clemente 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 Clemente typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111414141413131412108
Data source: San Clemente 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 Clemente Compares to Other Months

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

This table compares monthly weather conditions in San Clemente, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (64°F)13 mm (0.5 inches)70%very high
February Weather18°C (65°F)26 mm (1.0 inches)65%extreme
March Weather20°C (69°F)3 mm (0.1 inches)59%extreme
April Weather22°C (71°F)2 mm (0.1 inches)60%extreme
May Weather23°C (73°F)29 mm (1.1 inches)67%extreme
June Weather22°C (73°F)161 mm (6.3 inches)80%extreme
July Weather21°C (71°F)178 mm (7.0 inches)81%extreme
August Weather21°C (71°F)221 mm (8.7 inches)83%extreme
September Weather21°C (70°F)220 mm (8.7 inches)83%extreme
October Weather21°C (70°F)101 mm (4.0 inches)80%extreme
November Weather20°C (68°F)24 mm (1.0 inches)77%very high
December Weather18°C (64°F)16 mm (0.6 inches)76%very high

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