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Grafton County, NH (shown in white) has 1,708.6 mi² of land area and 41.11 mi² of water resources. The county is bordered by:
The county's elevations range from a low of 321.5' to a high of 5,141.1', with a weighted average of 1,496.9' above sea level.
Temperatures range from average lows around 8°F to average highs around 82.1°F. A year-round daily temperature averages 44.7°F. Average annual precipation is 48.3". With these temperatures and precipation, the majority of the county scores as an 5A using the USDA Plant Hardiness Zone Map (the standard by which gardeners and growers can determine which perennial plants are most likely to thrive in a location).
The estimated population of Grafton County is 94,512 with 39,275 households. These households are spread across 15 unique municipalties (not all shown).
