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Rainfall Totals Last 24 Hours in Sunnyvale, CA
Last Rain · 24 Hours · 72 Hours · 7 Days · 30 Days
This Month · This Year
How much rain did Sunnyvale, CA get?
| Last RainSeptember 4, 2026 | 24 Hours | 72 Hours | 7 Days | 30 Days | This Month | This Year |
|---|---|---|---|---|---|---|
| 0.06″ | 0.00″ | 0.07″ | 0.07″ | 0.07″ | 0.04″ | 9.06″ |
Precipitation by month
Wettest month
4.06″
February 2026
Driest month
0.00″
June 2026
Longest dry streak
97 days
ended Sep 2
Most rain in 24 hours
1.52″
Oct 13
| Month | Rain | Normal | % of normal | Rainy days |
|---|---|---|---|---|
| October 2025 | 2.00″ | 0.80″ | 250% | 3 |
| November 2025 | 2.08″ | 1.36″ | 153% | 6 |
| December 2025 | 1.28″ | 3.07″ | 42% | 6 |
| January 2026 | 2.31″ | 2.97″ | 78% | 6 |
| February 2026 | 4.06″ | 3.24″ | 125% | 7 |
| March 2026 | 0.04″ | 2.64″ | 2% | 1 |
| April 2026 | 2.37″ | 1.24″ | 191% | 8 |
| May 2026 | 0.24″ | 0.54″ | 44% | 1 |
| June 2026 | 0.00″ | 0.17″ | — | 0 |
| July 2026 | 0.00″ | 0.01″ | — | 0 |
| August 2026 | 0.00″ | 0.03″ | — | 0 |
| September 2026 | 0.04″ | 0.07″ | — | 2 |