New Hampshire Average Annual Snowfall: 65 Inches Statewide, Up to 100+ in Mountains
New Hampshire's snowfall varies dramatically by elevation and latitude. NOAA 1991–2020 normals:
Statewide Average
- ~65 inches (165 cm) — but this masks huge variation.
By Location (Annual Average)
| Location | Elevation | Avg Snowfall |
|---|
| Berlin (North) | 1,000 ft | 90 in (229 cm) |
| Gorham (White Mtns) | 800 ft | 105 in (267 cm) |
| Concord (Capital) | 270 ft | 60 in (152 cm) |
| Manchester | 200 ft | 55 in (140 cm) |
| Nashua | 150 ft | 50 in (127 cm) |
| Portsmouth (Coast) | 30 ft | 28 in (71 cm) |
Drivers of Variation
- Elevation: +10–15 in per 1,000 ft.
- Nor'easters: Coastal storms dump 12–24+ in on interior; coast gets rain/mix.
- Lake-effect: Minor, from Lake Winnipesaukee/Squam.
- Climate trend: Winters shortening; more rain/mix events, but extreme snowstorms persist.
Record
Mt. Washington summit: ~280 in (711 cm) avg; 566 in (1,438 cm) record (1968–69).
Wanderlust World