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Washington County, UT (shown in white) has 2,427.59 mi² of land area and 3 mi² of water resources. The county is bordered by:
The county's elevations range from a low of 2,194.9' to a high of 10,196.8', with a weighted average of 5,080.1' above sea level.
Temperatures range from average lows around 20.4°F to average highs around 101.7°F. A year-round daily temperature averages 58.7°F. Average annual precipation is 17.5". With these temperatures and precipation, the majority of the county scores as an 8A 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 Washington County is 208,069 with 72,037 households. These households are spread across 19 unique municipalties (not all shown).