March weather forecastLos Altos, CA
March
Weather in March
March, the first month of the spring in Los Altos, is a comfortable month, with an average temperature varying between 62.2°F (16.8°C) and 45°F (7.2°C).Temperature
As Los Altos, California, transitions from February to March, the average high-temperatures adjust to an enjoyable 62.2°F (16.8°C), nearly the same as the previous 59.9°F (15.5°C). Throughout March, Los Altos records an average temperature of 45°F (7.2°C) at night.Humidity
The most humid month in Los Altos is March, with an average relative humidity of 73%.Rainfall
The months with the most rainfall in Los Altos are February, March and December, with an average 0.83" (21mm) of precipitation.Daylight
The average length of the day in March in Los Altos is 11h and 59min.On the first day of March in Los Altos, sunrise is at 6:38 am and sunset at 6:02 pm PST. On the last day of the month, sunrise is at 6:53 am and sunset at 7:30 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 Los Altos, the average sunshine in March is 7.9h.UV index
The average daily maximum UV index in March is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 4 in March leads to these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Los Altos, CA
- Average high temperature in March: 62.2°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (56.5°F).
- Average low temperature in March: 45°F
The month with the highest average low temperature is August (56.8°F).
The coldest month (with the lowest average low temperature) is December (44.1°F).
Average pressure in March
Los Altos, CA
- Average pressure in March: 30.08"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June and September (29.92"Hg).
Average wind speed in March
Los Altos, CA
- Average wind speed in March: 6mph
The windiest months (with the highest average wind speed) are April and May (6.2mph).
The calmest months (with the lowest average wind speed) are August, September, October and November (4.7mph).
Average humidity in March
Los Altos, CA
- Average humidity in March: 73%
The month with the highest relative humidity is March (73%).
The months with the lowest relative humidity are July, September and October (63%).
Average rainfall in March
Los Altos, CA
- Average rainfall in March: 0.83"
The wettest months (with the highest rainfall) are February, March and December (0.83").
The driest months (with the least rainfall) are June, July and August (0.04").
Average rainfall days in March
Los Altos, CA
- Average rainfall days in March: 10 days
The month with the highest number of rainy days is March (10 days).
The month with the least rainy days is August (0.4 days).
Average daylight in March /
Average sunshine in March
Los Altos, CA
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in March: 7h and 54min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in March
Los Altos, CA
- Average sunshine days in March: 19.4 days
The months with the most sunshine days are July and August (29.8 days).
The month with the least sunshine days is March (19.4 days).
Average UV index in March
Los Altos, CA
- Average UV index in March: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in March
Los Altos, CA
- Average cloud cover in March: 35
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in March
Los Altos, 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).





