Montana · county areal climate 1951–2025
Gallatin County, MT
A 40.4°F / 24.0" normal · 2025 ran +1.9°F vs normal.
2026 so far · through Jul 10: This area is running
+3.7°F (40.7°F) vs the 1996–2025 to-date normal — the
2nd warmest start of 76 years. Precipitation
85% of normal.
U.S. year-to-date → Normal (1996–2025)
40.4°F
annual mean · 24.0" precipitation
2025 vs Normal
+1.9°F
42.3°F · 23.9" (100% of normal)
Warmest Year
42.4°F
2015 · coldest 36.1°F (1951)
Wettest Year
33.0in
1975 · driest 18.8" (2001)
Hottest Day
94.8°F
Jul 13 · 2002
Coldest Day
-38.1°F
Jan 9 · 1962
Biggest Rain Day
1.81in
Jun 19 · 1979
Record
1951–2025
75 complete years · NOAA nClimGrid
—— 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.