Montana · county areal climate 1951–2025

Granite County, MT

A 23.3" / 39.8°F normal · 2025 ran 109% of normal precipitation.
2026 so far · through Jul 25: This area is at 102% (14.78") of the 1996–2025 to-date normal — the 37th wettest start of 76 years. Temperature +2.4°F vs normal. U.S. year-to-date →

Normal (1996–2025)

23.3in
annual precipitation · 39.8°F

2025 vs Normal

109%
25.3" · 41.5°F (+1.7 vs normal)

Wettest Year

39.6in
1975

Driest Year

16.8in
1979

Biggest Rain Day

1.93in
Jul 10 · 1983

Warmest Year

42.4°F
2015

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

24°
J
24°
F
31°
M
37°
A
45°
M
52°
J
61°
J
60°
A
52°
S
40°
O
29°
N
23°
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.

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