Montana · county areal climate 1951–2025

Sweet Grass County, MT

A 19.1" / 43.3°F normal · 2025 ran 115% of normal precipitation.
2026 so far · through Jul 25: This area is at 72% (8.85") of the 1996–2025 to-date normal — the 8th driest start of 76 years. Temperature +4°F vs normal. U.S. year-to-date →

Normal (1996–2025)

19.1in
annual precipitation · 43.3°F

2025 vs Normal

115%
22.0" · 44.3°F (+1 vs normal)

Wettest Year

26.8in
1975

Driest Year

13.0in
2012

Biggest Rain Day

2.07in
Jun 16 · 1992

Warmest Year

45.3°F
2015

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

26°
J
25°
F
33°
M
40°
A
48°
M
57°
J
66°
J
64°
A
56°
S
44°
O
33°
N
26°
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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