New Hampshire · county areal climate 1951–2025
Merrimack County, NH
A 46.4°F / 47.6" normal · 2025 ran -0.1°F vs normal.
2026 so far · through Jul 10: This area is running
+0.1°F (42.2°F) vs the 1996–2025 to-date normal — the
19th warmest start of 76 years. Precipitation
87% of normal.
U.S. year-to-date → Normal (1996–2025)
46.4°F
annual mean · 47.6" precipitation
2025 vs Normal
-0.1°F
46.3°F · 40.6" (85% of normal)
Warmest Year
48.6°F
2024 · coldest 43.0°F (1972)
Wettest Year
63.1in
2006 · driest 28.9" (1965)
Hottest Day
97.6°F
Jun 25 · 2025
Coldest Day
-29.2°F
Jan 14 · 1957
Biggest Rain Day
5.47in
Oct 9 · 2005
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.