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Rainfall totals San Jose, CA

Through Oct 7, 2026, San Jose has received 7.43 inches of rain for the year, according to the official daily climate report. The normal year-to-date total is 9.40 inches. The normal figure is what the city would typically have seen by this point in the calendar. This reading comes from the station gauge at SAN JOSE INTL A in the National Weather Service's daily climate report.

as of

Data from San Jose International Airport, with records back to 1998. Across the record from 1998, 100 percent of days have a reading, with 100 percent in 2025.

Most recent rainfall

0.03 inches of rain fell on Sep 4, 2026, the latest measurable rainfall this year.

SAN JOSE INTL A saw no measurable rain on Oct 7, 2026, according to the National Weather Service daily climate report.

The last measurable rain in San Jose fell on Sep 4, 2026, 34 days ago. In October, rain days at this station are typically 3 days apart.

Official rainfall report for Oct 7, 2026

National Weather Service daily climate report for San Jose, Oct 7, 2026
MeasuredNormalvs normal
Rain on Oct 7, 20260.00 inches0.01 inches-0.01 inches
Last 48 hours0.00 inches
Last 72 hours0.00 inches
Last 7 days0.00 inches
Month to date0.00 inches0.07 inches-0.07 inches
Year to date7.43 inches9.40 inches-1.97 inches (-21%)
Record for Oct 71.00 inches1973

Source: National Weather Service daily climate report for SAN JOSE INTL A, issued the morning after Oct 7, 2026. The local National Weather Service office issues the daily climate report for the airport station the next morning, and that report is the official figure.

How much rain did San Jose get?

Days with measurable rain, 2026

Days with measurable rain in San Jose during 2026, newest first
DateRainfall
Sep 4, 20260.03 inches
Sep 3, 20260.03 inches
May 28, 20260.14 inches
Apr 22, 20260.08 inches
Apr 21, 20260.40 inches
Apr 20, 20260.56 inches
Apr 13, 20260.01 inches
Apr 12, 20260.11 inches
Apr 11, 20260.39 inches
Apr 10, 20260.21 inches
Apr 2, 20260.06 inches
Apr 1, 20260.03 inches
Mar 31, 20260.02 inches
Feb 19, 20260.65 inches
Feb 18, 20260.22 inches
Feb 17, 20260.35 inches
Feb 16, 20260.94 inches
Feb 15, 20260.49 inches
Feb 11, 20260.33 inches
Feb 10, 20260.10 inches
Jan 8, 20260.05 inches
Jan 7, 20260.02 inches
Jan 6, 20260.01 inches
Jan 5, 20260.37 inches
Jan 4, 20261.12 inches
Jan 3, 20260.13 inches
Jan 2, 20260.11 inches
Jan 1, 20260.47 inches

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With 1.12 inches on Jan 4, 2026, this is the 27th wettest of the 1,579 measurable rain days in the San Jose International Airport record, which begins in 1998.

Measured total1991-2020 normal
Running rain total for 2026, January to December. Dark line is measured, light line is the 1991-2020 normal, violet dot marks the latest day.

Through Oct 3, 2026, the GHCN-Daily station record shows 7.43 inches of measurable rain so far this year, falling over a 28-day span. Station observations are from GHCN-Daily, with a 1-3 day lag and quality checks by NOAA.

San Jose rainfall by month, 2026

Monthly rainfall totals for San Jose in 2026, compared with 1991-2020 normals.
MonthRainfallNormalvs normal
January2.28 inches2.80 inches-0.52 inches (-19%)
February3.08 inches2.69 inches+0.39 inches (+14%)
March0.02 inches2.08 inches-2.06 inches (-99%)
April1.85 inches1.07 inches+0.78 inches (+73%)
May0.14 inches0.39 inches-0.25 inches
June0.00 inches0.18 inches-0.18 inches
July0.00 inches0.00 inches
August0.00 inches0.05 inches-0.05 inches
September0.06 inches0.07 inches-0.01 inches
October0.00 inches0.53 inches

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Measured total1991-2020 normal
Monthly rain totals for 2026. Dark bars show measured amounts, light bars show the 1991-2020 normal for comparison.

October is still in progress; figures run through Oct 3, 2026. Averages are 1991-2020 normals from NCEI.

Rainfall days at each threshold in San Jose

Rainfall days at each threshold in San Jose
Year0.5+ in.1+ in.2+ in.3+ in.
20255300
202411100
202312000
20225300
20217310
20203000
20198100
20185100
20178200
201611100
Average7.31.50.10.0

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A day counts when its rainfall total meets or passes the column amount, from San Jose International Airport records in GHCN-Daily. Every complete year starting with 1998 counts toward the average, 27 years in total.

Past rainfall years in San Jose

All-time rainfall records

All-time rainfall records for San Jose since 1998
Wettest day3.23 inchesDec 11, 2014
Wettest year17.28 inches2024
Driest year3.80 inches2013
Average year12.25 inches27 complete years on record
Rain days a year57average, 0.01 inch or more
Record begins199810,300 daily readings

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Monthly rainfall normals

Average monthly rainfall for San Jose, 1991 to 2020
MonthJanFebMarAprMayJunJulAugSepOctNovDecYear
Inches2.802.692.081.070.390.180.000.050.070.531.332.2913.48

Averages are 1991-2020 normals from NCEI.

The daily climate report is issued by the local National Weather Service forecast office and delivered to this page by the Iowa Environmental Mesonet of Iowa State University. Under 17 U.S.C. 105, no copyright attaches to the government-produced figures on this page, including reports, alerts, station observations, and normals, which were created by the National Weather Service and other NOAA offices. The notice that 17 U.S.C. 403 requires appears in this sentence. It does not imply endorsement by or affiliation with those agencies. See: Data sources and attribution.

All California rainfall totals