March weather forecastRiverside, CA
March
Weather in March
March's temperatures rise slightly in Riverside in anticipation of spring. With spring's arrival, rainfall diminishes down to 0.87" (22mm), suggestive of efflorescence throughout the city. Sunlight increases by an hour from February, illuminating sweeping landscapes of the city. Despite the reduction in precipitation, the humidity level elevates by 1% from February. March also marks the beginning of a dip in wind speed in Riverside’s yearly meteorological cycle.Temperature
The transition into March shows a subtle variation to an agreeable 68.7°F (20.4°C) from February's 65.1°F (18.4°C) in the average high-temperature. The average nighttime temperature lowers to a chilly 47.5°F (8.6°C) throughout March.Humidity
In Riverside, the average relative humidity in March is 55%.Rainfall
In March, in Riverside, the rain falls for 7.7 days. Throughout March, 0.87" (22mm) of precipitation is accumulated. In Riverside, during the entire year, the rain falls for 49 days and collects up to 7.32" (186mm) of precipitation.Snowfall
In Riverside, snow does not fall in January, March through December.Daylight
The average length of the day in March in Riverside is 12h and 0min.On the first day of the month, sunrise is at 6:16 am and sunset at 5:46 pm PST. On the last day of March, sunrise is at 6:36 am and sunset at 7:09 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.
Sunshine
In Riverside, California, the average sunshine in March is 8.7h.UV index
In Riverside, the average daily maximum UV index in March is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In March, the UV index of 5 transforms into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Riverside, CA
- Average high temperature in March: 68.7°F
The warmest month (with the highest average high temperature) is August (91.2°F).
The month with the lowest average high temperature is December (63.3°F).
- Average low temperature in March: 47.5°F
The month with the highest average low temperature is August (66.4°F).
The coldest month (with the lowest average low temperature) is December (45.9°F).
Average pressure in March
Riverside, CA
- Average pressure in March: 30.01"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in March
Riverside, CA
- Average wind speed in March: 5mph
The windiest month (with the highest average wind speed) is May (5.6mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).
Average humidity in March
Riverside, CA
- Average humidity in March: 55%
The month with the highest relative humidity is May (56%).
The month with the lowest relative humidity is August (43%).
Average rainfall in March
Riverside, CA
- Average rainfall in March: 0.87"
The wettest months (with the highest rainfall) are February and December (1.61").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in March
Riverside, CA
- Average rainfall days in March: 7.7 days
The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.1 days).
Average snowfall days in March
Riverside, CA
- Average snowfall days in March: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in March /
Average sunshine in March
Riverside, CA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in March: 8h and 42min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 48min).
Average sunshine days in March
Riverside, CA
- Average sunshine days in March: 23.3 days
The month with the most sunshine days is June (27.9 days).
The month with the least sunshine days is February (21.6 days).
Average UV index in March
Riverside, CA
- Average UV index in March: 5
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in March
Riverside, CA
- Average cloud cover in March: 23
The months with the most cloud cover are February and March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in March
Riverside, CA
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
