Value Anomaly Rank Mean

County Average Temperature

March - May 1951

0°F10°F20°F30°F40°F50°F60°F70°F80°F90°F

New Hampshire (Hover over a County)

Temp Average Temperature : 42.1°F

Anomaly: 1.4°F

Rank: 39th Warmest

Mean: 40.7°F

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**Insufficient variability in the data record renders rank insignificant

March - May 1951 New Hampshire County Average Temperature

County	Value	Anomaly	Rank 131 Years	1901-2000 Mean
Belknap County	43.8°F	1.5°F	95	42.4°F
Carroll County	41.9°F	1.3°F	93	40.6°F
Cheshire County	43.9°F	1.5°F	95	42.4°F
Coos County	38.3°F	1.6°F	96	36.7°F
Grafton County	40.3°F	1.0°F	84	39.3°F
Hillsborough County	45.0°F	1.3°F	91	43.7°F
Merrimack County	44.1°F	1.5°F	94	42.6°F
Rockingham County	45.9°F	1.7°F	93	44.3°F
Strafford County	45.0°F	1.8°F	98	43.2°F
Sullivan County	42.3°F	1.3°F	89	41.0°F

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: County Mapping, published August 2025, retrieved on August 26, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping