nomadseason

March Weather in Riverside, United States

Last updated: June 24, 2025

In Riverside, United States, the average temperature in March hovers around 5°C (41°F). Expect to experience a minimum of -13°C (8°F) and a maximum of 23°C (74°F). During this time, precipitation typically amounts to 40 mm (1.6 in) over 9 days, while the average humidity sits at a comfortable 85%.

March Temperature in Riverside

In March in Riverside, the average temperature is 5°C (41°F). Maximums can reach 23°C (74°F) and minimums can be as low as -13°C (8°F). Travelers should be prepared for a wide range of temperatures and pack accordingly to ensure comfort during their visit.

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 5°C (41°F), with highs reaching up to 23°C (74°F) and lows dropping to around -13°C (8°F).
JanFebMarAprMayJunJulAugSepOctNovDec273041485769787464473829
Data source: Temperature data for Riverside generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
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 40 mm (1.6 in) over the course of 9 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 40 mm (1.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec32404037432071120292233
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

March Humidity in Riverside

In Riverside in March, humidity is 85%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a challenge as the cold air clings to your skin.

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 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%92%85%76%66%62%53%42%46%64%83%87%
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 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check 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 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578101111109643
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 Weather-3°C (27°F)32 mm (1.3 inches)91%moderate
February Weather-1°C (31°F)40 mm (1.6 inches)92%moderate
March Weather5°C (41°F)40 mm (1.6 inches)85%high
April Weather9°C (48°F)37 mm (1.4 inches)76%very high
May Weather14°C (58°F)43 mm (1.7 inches)66%very high
June Weather20°C (69°F)20 mm (0.8 inches)62%extreme
July Weather25°C (78°F)7 mm (0.3 inches)53%extreme
August Weather24°C (75°F)11 mm (0.4 inches)42%very high
September Weather18°C (64°F)20 mm (0.8 inches)46%very high
October Weather8°C (48°F)29 mm (1.1 inches)64%high
November Weather3°C (38°F)22 mm (0.9 inches)83%moderate
December Weather-2°C (29°F)33 mm (1.3 inches)87%moderate

Compare Riverside's Climate with Cities Worldwide