Montana · county areal climate 1951–2025
Roosevelt County, MT
A 41.9°F / 13.5" normal · 2025 ran +1.3°F vs normal.
2026 so far · through Jul 9: This area is running
+3°F (40.8°F) vs the 1996–2025 to-date normal — the
11th warmest start of 76 years. Precipitation
82% of normal.
U.S. year-to-date → Normal (1996–2025)
41.9°F
annual mean · 13.5" precipitation
2025 vs Normal
+1.3°F
43.2°F · 12.7" (94% of normal)
Warmest Year
45.9°F
1987 · coldest 35.2°F (1951)
Wettest Year
20.3in
2011 · driest 6.8" (2017)
Hottest Day
109.6°F
Jul 25 · 2007
Coldest Day
-48.8°F
Jan 20 · 1954
Biggest Rain Day
2.14in
Jul 2 · 1997
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.