March Weather in Riverside, United States

Last updated: June 24, 2025

In March, the average temperature in Riverside, United States hovers around 14°C (58°F). Expect a range of temperatures, with minimums dipping to -3°C (26°F) and maximums soaring to 30°C (87°F). Over the month, anticipate about 134 mm (5.3 in) of precipitation spread over 12 days, accompanied by an average humidity of 82%. Prepare for a month that combines cool breezes with occasional rainfall!

March Temperature in Riverside

In March in Riverside, the average temperature is 14°C (58°F). The maximum can reach 30°C (87°F), while the minimum can drop as low as -3°C (26°F). This diverse range of temperatures makes Riverside an exciting destination for those who enjoy experiencing varying climates during their travels.

March Weather in Riverside: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Riverside, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Riverside, March typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (87°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec465258637277807976675349
Data source: Temperature data for Riverside 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 Riverside

In Riverside in March, the precipitation amount is 134 mm (5.3 in) over a period of 12 days.

March Precipitation Trends in Riverside

The chart displays monthly precipitation patterns in Riverside, 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 Riverside, March typically receives around 134 mm (5.3 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec1191611341431041421101308712086144
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Riverside

In Riverside in March, humidity is 82%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and sticky.

March Average Humidity in Riverside

This chart illustrates the average monthly humidity levels in Riverside, 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 Riverside is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Riverside

In Riverside 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 Riverside.

Maximum UV Index Levels in Riverside for March

The chart shows the monthly maximum UV Index (UVI) for Riverside 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 Riverside typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109764
Data source: Riverside 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 Riverside Compares to Other Months

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

This table compares monthly weather conditions in Riverside, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)119 mm (4.7 inches)85%moderate
February Weather11°C (52°F)161 mm (6.3 inches)84%high
March Weather14°C (58°F)134 mm (5.3 inches)82%very high
April Weather17°C (63°F)143 mm (5.6 inches)82%very high
May Weather22°C (72°F)104 mm (4.1 inches)81%extreme
June Weather25°C (77°F)142 mm (5.6 inches)77%extreme
July Weather27°C (80°F)110 mm (4.3 inches)77%extreme
August Weather26°C (80°F)130 mm (5.1 inches)72%very high
September Weather25°C (76°F)87 mm (3.4 inches)73%very high
October Weather19°C (67°F)120 mm (4.7 inches)73%high
November Weather12°C (53°F)86 mm (3.4 inches)85%high
December Weather10°C (50°F)144 mm (5.7 inches)88%moderate

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