March weather forecastRialto, CA
March
Weather in March
March, the first month of the spring in Rialto, is also an enjoyable month, with temperature in the range of an average low of 45.3°F (7.4°C) and an average high of 66.9°F (19.4°C).Temperature
Rialto, California, marks the arrival of March with an average high-temperature of a still comfortable 66.9°F (19.4°C), hardly different from February's 62.4°F (16.9°C). In Rialto, the expected average low-temperature for March is a chilly 45.3°F (7.4°C).Humidity
February and March, with an average relative humidity of 52%, are the most humid months in Rialto.Rainfall
In March, in Rialto, the rain falls for 5.3 days. Throughout March, 0.51" (13mm) of precipitation is accumulated. In Rialto, during the entire year, the rain falls for 43.5 days and collects up to 5.43" (138mm) of precipitation.Snowfall
In Rialto, snow does not fall in January, March through December.Daylight
The average length of the day in March in Rialto is 12h and 0min.On the first day of March in Rialto, California, sunrise is at 6:16 am and sunset at 5:46 pm PST. On the last day of the month, 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 March, the average sunshine is 9h.UV index
In Rialto, California, the average daily maximum UV index in March is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during March leads to these instructions:
Ensure safety - Recommendations to avert sunburn are presented. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Rialto, CA
- Average high temperature in March: 66.9°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is December (59.9°F).
- Average low temperature in March: 45.3°F
The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (43.3°F).
Average pressure in March
Rialto, 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 (29.85"Hg).
Average wind speed in March
Rialto, CA
- Average wind speed in March: 5.5mph
The windiest month (with the highest average wind speed) is April (6.2mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in March
Rialto, CA
- Average humidity in March: 52%
The months with the highest relative humidity are February and March (52%).
The month with the lowest relative humidity is August (38%).
Average rainfall in March
Rialto, CA
- Average rainfall in March: 0.51"
The wettest months (with the highest rainfall) are February and December (1.14").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in March
Rialto, CA
- Average rainfall days in March: 5.3 days
The month with the highest number of rainy days is December (5.5 days).
The month with the least rainy days is June (1.3 days).
Average snowfall days in March
Rialto, 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
Rialto, 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: 9h and 0min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in March
Rialto, CA
- Average sunshine days in March: 25.3 days
The month with the most sunshine days is June (27.8 days).
The month with the least sunshine days is February (22.6 days).
Average UV index in March
Rialto, CA
- Average UV index in March: 4
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in March
Rialto, CA
- Average cloud cover in March: 20
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in March
Rialto, 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).
