Idaho · county areal climate 1951–2025

Custer County, ID

A 21.8" / 38.9°F normal · 2025 ran 116% of normal precipitation.
2026 so far · through Jul 25: This area is at 81% (10.44") of the 1996–2025 to-date normal — the 13th driest start of 76 years. Temperature +3.6°F vs normal. U.S. year-to-date →

Normal (1996–2025)

21.8in
annual precipitation · 38.9°F

2025 vs Normal

116%
25.3" · 40.9°F (+2 vs normal)

Wettest Year

32.2in
1995

Driest Year

14.9in
1966

Biggest Rain Day

2.53in
Dec 22 · 1964

Warmest Year

41.0°F
2015

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

20°
J
22°
F
29°
M
36°
A
44°
M
52°
J
62°
J
60°
A
52°
S
40°
O
28°
N
20°
D
—— normal temperature (°F) · ▮ normal precipitation (in) · 1996–2025
Areal nClimGrid averages (NOAA/NCEI) over the whole area — an average across the region, not a single station. Separate from the station records.

Nearby

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