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Alton is the #53 city in New Hampshire by population, with a population of 5,953 across 2 ZIP codes. Average temperatures range from 36.5°F to 57.2°F, with 45.6" of annual precipitation. The local economy is anchored by Construction, with 26 establishments.
Average monthly temperatures and precipitation.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg High | 30° | 34° | 42° | 56° | 68° | 77° | 82° | 81° | 73° | 60° | 47° | 36° |
| Avg Low | 12° | 12° | 21° | 33° | 44° | 55° | 60° | 59° | 52° | 40° | 30° | 20° |
| Precip | 3.1" | 2.9" | 3.4" | 3.6" | 3.5" | 4.4" | 4.6" | 3.9" | 3.8" | 4.8" | 3.7" | 3.9" |
| Snow | 18.8" | 16.9" | 9.4" | 1.6" | - | - | - | - | - | 0.3" | 2.1" | 12.8" |
| Industry | Establishments |
|---|---|
| Construction | 26 |
| Accommodation and food services | 24 |
| Retail trade | 20 |
| Professional, scientific, and technical services | 11 |
| Administrative and support and waste management and remediation services | 11 |
| Other services (except public administration) | 11 |
| Real estate and rental and leasing | 6 |
| Health care and social assistance | 6 |
| Arts, entertainment, and recreation | 5 |
| Wholesale trade | 4 |
Alton has 4 properties listed on the National Register of Historic Places, including:
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