As of Oct 13, 2026, the latest day this gauge has reported
How much rain has Idaho County, Idaho, had in 2026?
15.77 inches of rain have fallen so far in 2026 at the volunteer rain gauge less than a mile southwest of Grangeville, Idaho County, through Oct 13. That is 4.72 inches less than a usual year to date (77% of usual).
- Rain so far
- 15.77 in
- Usual by Oct 13
- 20.49 in
- Percent of usual
- 77%
This is Idaho County’s 2026 so far, drawn as a Rain Print. Put your name and dates on it: framed $89, print $45.Get Idaho County’s 2026 rain and snow drawn as a Rain Print, with your name and dates: framed $89, print $45. Make yours
Prints of 2026 ship in January, once the full year is in.
Want another year, like the drought or the year you married? Rainfall art of any town and year.
Month by month
| Month | Rain, in | Usual, in | Vs usual |
|---|---|---|---|
| Jan | 0.57 | 1.38 | −0.81 |
| Feb | 2.26 | 1.84 | +0.42 |
| Mar | 3.31 | 2.72 | +0.59 |
| Apr | 2.72 | 3.30 | −0.58 |
| May | 1.56 | 3.73 | −2.17 |
| Jun | 1.59 | 3.33 | −1.74 |
| Jul | 0.43 | 1.09 | −0.66 |
| Aug | 0.15 | 0.95 | −0.80 |
| Sep | 2.90 | 1.36 | +1.54 |
| Oct to the 13th | 0.28 | 0.79 | −0.51 |
| So far | 15.77 | 20.49 | −4.72 |
2026 so far in Idaho County
- Wettest month: March, 3.31 inches.
- Biggest single day: 1.27 inches on Sep 4.
- Longest dry stretch: 19 days in a row with the gauge at zero, Jul 25 to Aug 12.
The station, and what usual means
The numbers come from NOAA’s daily record for the volunteer rain gauge less than a mile southwest of Grangeville (gauge ID US1IDID0001), 32 miles from the middle of Idaho County. It reported every one of the 286 days from Jan 1 to Oct 13. Rain here means everything the gauge caught: rain, and snow melted down to water. A trace counts as zero. It is read once a day, usually in the morning, and each reading is filed under the day it was read, so an evening storm can show up on the next day.
Usual means NOAA’s 1991 to 2020 daily normals for this gauge, added up over the same 286 days the gauge reported, so a missing day counts on neither side. The volunteer gauges started in 1998, so none has 30 years of its own; NOAA estimates the rest from long-record stations nearby.
Why this gauge: 11 stations inside Idaho County reported at least 90% of the days in 2026. Mountain snow sites, and stations far above the rest in the county, come last, since their rain is not what the farms below get. Then the pick goes to one with NOAA normals, then the most days reported, then the one nearest the middle of the county. Your own rain gauge can read differently a few miles away.
Questions
How much rain has Idaho County, Idaho, had in 2026?
15.77 inches of rain have fallen so far in 2026 at the volunteer rain gauge less than a mile southwest of Grangeville, Idaho County, through Oct 13. That is 4.72 inches less than a usual year to date (77% of usual).
Is Idaho County wetter or drier than usual in 2026?
Drier so far. The volunteer rain gauge less than a mile southwest of Grangeville had 15.77 inches from Jan 1 to Oct 13, 77% of the usual 20.49 inches for the same days.
What was the wettest month in Idaho County in 2026?
March, with 3.31 inches at the volunteer rain gauge less than a mile southwest of Grangeville, counting Jan 1 through Oct 13.
What was the biggest rain in Idaho County in 2026?
1.27 inches on Sep 4, 2026, the most the gauge caught in one day this year through Oct 13.
Next door
- Adams County 14.69 in to Oct 12
- Clearwater County 29.33 in, 98%
- Lemhi County 7.55 in, 102%
- Lewis County 26.96 in, 153% to Oct 6
Rain in Idaho, county by county · PRF insurance in Idaho County · Farmland Atlas: Idaho County