Santa Clara County climate

Santa Clara County Weather in March

NOAA 1991-2020 normals for Mt Hamilton, 13.2 km from Santa Clara County

Average highs run from 50°F on March 1 to 53°F on March 31, and lows from 38°F to 39°F. Normal precipitation for the month is 4.42 in over about 11 wet days.

March day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Santa Clara County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
51°F
Average low
39°F
Precipitation
4.42 in
Snowfall
3.8 in
Record high
88°FMar 17, 1914
Record low
25°FMar 6, 1903
Chance of a freeze
89%
Daylight
11 h 23 min to 12 h 35 min
Cloud cover
49%
Humidity
79%
Dew point
44°F
Wind
6.7 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Mar 150°F38°F81°F 192526°F 189641%10%
Mar 250°F38°F80°F 190531°F 191741%10%
Mar 350°F38°F81°F 192928°F 189440%10%
Mar 450°F39°F83°F 192926°F 189440%10%
Mar 550°F39°F80°F 195932°F 192340%9%
Mar 650°F39°F78°F 190525°F 190339%9%
Mar 750°F39°F81°F 190530°F 190839%9%
Mar 850°F39°F83°F 191432°F 189738%9%
Mar 950°F39°F84°F 194630°F 189738%9%
Mar 1051°F39°F83°F 200430°F 189437%9%
Mar 1151°F39°F87°F 200527°F 189737%9%
Mar 1251°F39°F81°F 200730°F 189337%9%
Mar 1351°F39°F81°F 192628°F 189736%9%
Mar 1451°F39°F81°F 192630°F 189536%9%
Mar 1551°F39°F84°F 200425°F 189536%9%
Mar 1651°F39°F85°F 191430°F 189535%9%
Mar 1751°F39°F88°F 191432°F 189435%8%
Mar 1852°F39°F87°F 191434°F 192235%8%
Mar 1952°F39°F85°F 202628°F 189435%8%
Mar 2052°F39°F88°F 202628°F 189434%8%
Mar 2152°F39°F84°F 191526°F 189434%8%
Mar 2252°F39°F83°F 191527°F 189434%8%
Mar 2352°F39°F83°F 192629°F 189434%8%
Mar 2452°F39°F84°F 192630°F 189433%8%
Mar 2552°F39°F84°F 193032°F 189433%8%
Mar 2652°F39°F84°F 198831°F 191333%8%
Mar 2752°F39°F85°F 192334°F 191333%8%
Mar 2853°F39°F84°F 192334°F 190832%8%
Mar 2953°F39°F86°F 202630°F 189532%8%
Mar 3053°F39°F83°F 191128°F 189732%8%
Mar 3153°F39°F84°F 196632°F 191731%7%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Santa Clara County, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

March 1
sunrise 6:38 AM, sunset 6:01 PM
March 31
sunrise 6:54 AM, sunset 7:29 PM

Every day of March: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00045933 (Mt Hamilton), public domain. Records: NOAA GHCN-Daily, station USC00047821, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.