Hottest Cities in New Hampshire.
Cities in New Hampshire with the highest average summer temperatures, from 30-year averages at the nearest weather station.
15 cities ranked · See the national list
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| # | City | Avg Summer High |
|---|---|---|
| 1 | Nashua | 82°F |
| 2 | Derry | 82°F |
| 3 | Londonderry | 82°F |
| 4 | Concord | 81°F |
| 5 | Lebanon | 81°F |
| 6 | Rochester | 80°F |
| 7 | Keene | 80°F |
| 8 | Laconia | 80°F |
| 9 | Somersworth | 80°F |
| 10 | Manchester | 79°F |
| 11 | Durham | 79°F |
| 12 | Dover | 78°F |
| 13 | Portsmouth | 78°F |
| 14 | Claremont | 78°F |
| 15 | Exeter | 78°F |
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