Peak UV index by city
| City | Population | Peak UV | Exposure | UV 3+ hours |
|---|---|---|---|---|
| Manchester | 116,818 | 3 | Moderate | 11 AM–1 PM |
| Nashua | 92,435 | 2 | Low | Below 3 all day |
| Concord | 44,597 | 3 | Moderate | 11 AM–1 PM |
| Dover | 34,623 | 3 | Moderate | 11 AM–1 PM |
| Rochester | 33,716 | 3 | Moderate | 11 AM–1 PM |
UV 3+ hours show the window from the first forecast hour at 3 or above to the end of the last. The EPA recommends sun protection at UV 3 and above. Open a city for its current-hour forecast and hourly chart. Forecast sources and limitations.
New Hampshire water temperatures · New Hampshire frost dates · Other states