Montana · county areal climate 1951–2025

Yellowstone County, MT

A 14.5" / 46.9°F normal · 2025 ran 132% of normal precipitation.
2026 so far · through Jul 25: This area is at 72% (6.84") of the 1996–2025 to-date normal — the 18th driest start of 76 years. Temperature +4.2°F vs normal. U.S. year-to-date →

Normal (1996–2025)

14.5in
annual precipitation · 46.9°F

2025 vs Normal

132%
19.1" · 47.7°F (+0.8 vs normal)

Wettest Year

23.5in
1978

Driest Year

7.8in
2012

Biggest Rain Day

2.15in
May 18 · 1978

Warmest Year

49.4°F
2012

Record

1951–2025
75 complete years · NOAA nClimGrid

Monthly Climate

25°
J
27°
F
36°
M
44°
A
54°
M
64°
J
72°
J
70°
A
60°
S
47°
O
35°
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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