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March Weather in San Manuel, United States

Last updated: June 24, 2025

In March, the average temperature in San Manuel, United States is a mild 13°C (56°F), with fluctuations that can see it drop as low as -2°C (28°F) or rise to a balmy 30°C (86°F). This month typically brings about 31 mm (1.2 in) of precipitation over 4 days, contributing to an average humidity level of 67%. Enjoy the blend of gentle warmth and refreshing moisture that defines this captivating time of year!

March Temperature in San Manuel

In March in San Manuel, the average temperature is 13°C (56°F), with maximums reaching 30°C (86°F) and minimums dropping as low as -2°C (28°F). This makes it important for travelers to pack layers to accommodate both warm days and chilly nights.

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

The chart illustrates March temperature patterns in San Manuel, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Manuel, March typically has an average temperature of 13°C (56°F), with highs reaching up to 30°C (86°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec485056667283828077675949
Data source: Temperature data for San Manuel 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 Manuel

In San Manuel in March, the total precipitation amount is 31 mm (1.2 in) over a span of 4 days.

March Precipitation Trends in San Manuel

The chart displays monthly precipitation patterns in San Manuel, 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 Manuel, March typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec43553158141129243212443
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in San Manuel

In San Manuel in March humidity is 67%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities a bit uncomfortable, but still manageable for travelers who embrace the cool, crisp air.

March Average Humidity in San Manuel

This chart illustrates the average monthly humidity levels in San Manuel, 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 Manuel is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%67%55%40%33%34%48%64%67%77%82%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in San Manuel

In San Manuel 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 Manuel.

Maximum UV Index Levels in San Manuel for March

The chart shows the monthly maximum UV Index (UVI) for San Manuel 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 Manuel typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710111213121111865
Data source: San Manuel 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 Manuel Compares to Other Months

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

This table compares monthly weather conditions in San Manuel, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)43 mm (1.7 inches)76%moderate
February Weather10°C (50°F)55 mm (2.2 inches)79%high
March Weather13°C (56°F)31 mm (1.2 inches)67%very high
April Weather19°C (66°F)5 mm (0.2 inches)55%extreme
May Weather22°C (73°F)8 mm (0.3 inches)40%extreme
June Weather28°C (83°F)14 mm (0.6 inches)33%extreme
July Weather28°C (82°F)112 mm (4.4 inches)34%extreme
August Weather27°C (81°F)92 mm (3.6 inches)48%extreme
September Weather25°C (77°F)43 mm (1.7 inches)64%extreme
October Weather20°C (68°F)21 mm (0.8 inches)67%very high
November Weather15°C (59°F)24 mm (0.9 inches)77%high
December Weather9°C (49°F)43 mm (1.7 inches)82%moderate

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