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Rainfall Totals Last 24 Hours in Boise, ID
Last Rain · 24 Hours · 72 Hours · 7 Days · 30 Days
This Month · This Year
How much rain did Boise, ID get?
| Last RainSeptember 4, 2026 | 24 Hours | 72 Hours | 7 Days | 30 Days | This Month | This Year |
|---|---|---|---|---|---|---|
| 0.24″ | 0.08″ | 0.32″ | 0.36″ | 0.36″ | 0.29″ | 8.23″ |
Precipitation by month
Wettest month
4.23″
April 2026
Driest month
0.01″
August 2026
Longest dry streak
27 days
ended Aug 13
Most rain in 24 hours
1.07″
Apr 13
| Month | Rain | Normal | % of normal | Rainy days |
|---|---|---|---|---|
| October 2025 | 1.70″ | 0.81″ | 210% | 8 |
| November 2025 | 0.38″ | 1.18″ | 32% | 10 |
| December 2025 | 2.27″ | 1.54″ | 147% | 12 |
| January 2026 | 0.32″ | 1.41″ | 23% | 6 |
| February 2026 | 0.87″ | 1.00″ | 87% | 7 |
| March 2026 | 1.06″ | 1.33″ | 80% | 4 |
| April 2026 | 4.23″ | 1.23″ | 344% | 8 |
| May 2026 | 0.29″ | 1.45″ | 20% | 4 |
| June 2026 | 0.93″ | 0.75″ | 124% | 5 |
| July 2026 | 0.23″ | 0.21″ | — | 2 |
| August 2026 | 0.01″ | 0.17″ | — | 1 |
| September 2026 | 0.29″ | 0.43″ | — | 3 |