Rainfall totals Tucson, AZ
Through Oct 8, 2026, Tucson has received 8.27 inches of rain for the year, according to the official daily climate report. The normal year-to-date total is 8.60 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 TUCSON INTL AIRPORT in the National Weather Service's daily climate report.
as of
Data from Tucson International Airport, with records back to 1946. Across the record from 1946, 99 percent of days have a reading, with 100 percent in 2025.
Most recent rainfall
0.03 inches of rain fell on Sep 30, 2026, the latest measurable rainfall this year.
TUCSON INTL AIRPORT saw no measurable rain on Oct 8, 2026, according to the National Weather Service daily climate report.
Official rainfall report for Oct 8, 2026
| Measured | Normal | vs normal | |
|---|---|---|---|
| Rain on Oct 8, 2026 | 0.00 inches | 0.02 inches | -0.02 inches |
| Last 48 hours | 0.00 inches | ||
| Last 72 hours | 0.00 inches | ||
| Last 7 days | 0.00 inches | ||
| Month to date | 0.00 inches | 0.18 inches | -0.18 inches |
| Year to date | 8.27 inches | 8.60 inches | -0.33 inches (-4%) |
| Record for Oct 8 | 0.67 inches | 2014 |
Source: National Weather Service daily climate report for TUCSON INTL AIRPORT, issued the morning after Oct 8, 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 Tucson get?
Days with measurable rain, 2026
| Date | Rainfall |
|---|---|
| Sep 30, 2026 | 0.03 inches |
| Sep 29, 2026 | 0.35 inches |
| Sep 17, 2026 | 0.03 inches |
| Sep 16, 2026 | 0.37 inches |
| Sep 9, 2026 | 0.01 inches |
| Sep 7, 2026 | 0.01 inches |
| Aug 31, 2026 | 0.84 inches |
| Aug 29, 2026 | 0.14 inches |
| Aug 23, 2026 | 0.30 inches |
| Aug 19, 2026 | 0.29 inches |
| Aug 14, 2026 | 0.19 inches |
| Aug 13, 2026 | 0.19 inches |
| Aug 12, 2026 | 0.59 inches |
| Aug 9, 2026 | 0.01 inches |
| Aug 6, 2026 | 0.01 inches |
| Aug 5, 2026 | 0.36 inches |
| Aug 3, 2026 | 0.29 inches |
| Jul 25, 2026 | 0.01 inches |
| Jul 20, 2026 | 0.14 inches |
| Jul 19, 2026 | 0.07 inches |
| Jul 18, 2026 | 0.06 inches |
| Jul 17, 2026 | 0.02 inches |
| Jul 16, 2026 | 0.09 inches |
| Jul 13, 2026 | 0.22 inches |
| Jul 12, 2026 | 0.09 inches |
| Jun 17, 2026 | 0.65 inches |
| Jun 15, 2026 | 0.40 inches |
| May 5, 2026 | 0.14 inches |
| May 4, 2026 | 0.26 inches |
| Mar 9, 2026 | 0.27 inches |
With 0.84 inches on Aug 31, 2026, this is the 189th wettest of the 4,013 measurable rain days in the Tucson International Airport record, which begins in 1946.
Through Oct 3, 2026, the GHCN-Daily station record shows 8.27 inches of measurable rain so far this year, falling over a 37-day span. Station observations are from GHCN-Daily, with a 1-3 day lag and quality checks by NOAA.
Tucson rainfall by month, 2026
| Month | Rainfall | Normal | vs normal |
|---|---|---|---|
| January | 1.70 inches | 0.84 inches | +0.86 inches (+102%) |
| February | 0.14 inches | 0.84 inches | -0.70 inches (-83%) |
| March | 0.27 inches | 0.56 inches | -0.29 inches (-52%) |
| April | 0.00 inches | 0.24 inches | -0.24 inches |
| May | 0.40 inches | 0.20 inches | +0.20 inches |
| June | 1.05 inches | 0.23 inches | +0.82 inches |
| July | 0.70 inches | 2.21 inches | -1.51 inches (-68%) |
| August | 3.21 inches | 1.98 inches | +1.23 inches (+62%) |
| September | 0.80 inches | 1.32 inches | -0.52 inches (-39%) |
| October | 0.00 inches | 0.67 inches |
October is still in progress; figures run through Oct 3, 2026. Averages are 1991-2020 normals from NCEI.
Rainfall days at each threshold in Tucson
| Year | 0.5+ in. | 1+ in. | 2+ in. | 3+ in. |
|---|---|---|---|---|
| 2025 | 4 | 2 | 0 | 0 |
| 2024 | 8 | 1 | 0 | 0 |
| 2023 | 6 | 1 | 0 | 0 |
| 2022 | 3 | 1 | 0 | 0 |
| 2021 | 9 | 4 | 1 | 0 |
| 2020 | 1 | 0 | 0 | 0 |
| 2019 | 8 | 2 | 0 | 0 |
| 2018 | 8 | 2 | 0 | 0 |
| 2017 | 5 | 3 | 0 | 0 |
| 2016 | 8 | 2 | 0 | 0 |
| Average | 6.1 | 1.8 | 0.2 | 0.0 |
A day counts when its rainfall total meets or passes the column amount, from Tucson International Airport records in GHCN-Daily. Every complete year starting with 1946 counts toward the average, 78 years in total.
Past rainfall years in Tucson
All-time rainfall records
| Wettest day | 3.93 inches | Jul 29, 1958 |
|---|---|---|
| Wettest year | 21.86 inches | 1983 |
| Driest year | 4.17 inches | 2020 |
| Average year | 11.08 inches | 78 complete years on record |
| Rain days a year | 50 | average, 0.01 inch or more |
| Record begins | 1946 | 28,907 daily readings |
Monthly rainfall normals
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inches | 0.84 | 0.84 | 0.56 | 0.24 | 0.20 | 0.23 | 2.21 | 1.98 | 1.32 | 0.67 | 0.56 | 0.96 | 10.61 |
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.