New Hampshire weather in August: Statewide normals and every place, NOAA 1991-2020
In August, New Hampshire's statewide normal high is 77°F and normal low 54°F; normal highs run from 76°F in Colebrook to 83°F in Nashua (NOAA 1991-2020 normals).
- Statewide normal high
- 77°FAugust, 1991-2020
- Statewide normal low
- 54°FAugust, 1991-2020
- Statewide normal precipitation
- 4.15 inAugust
- Warmest place
- 83°Fnormal high, Nashua
- Coolest place
- 76°Fnormal high, Colebrook
Where is New Hampshire warmest and wettest in August?
Nashua has the warmest August afternoons (83°F) and Colebrook the coolest (76°F). North Conway gets the most precipitation (4.39 in) and Rochester the least (3.17 in).
Statewide, August averaged 69.2°F in 2021, 69.8°F in 2022, 64.5°F in 2023, 65.9°F in 2024, 65.5°F in 2025, 67.6°F in 2026, against a 1991-2020 normal of 65.9°F.
| Place | High | Low | Precip. | Snow |
|---|---|---|---|---|
| Manchester | 82°F | 62°F | 3.35 | – |
| Nashua | 83°F | 60°F | 3.71 | – |
| Concord | 82°F | 57°F | 3.63 | 0.0 |
| Rochester | 81°F | 58°F | 3.17 | – |
| Keene | 81°F | 54°F | 4.28 | 0.0 |
| Laconia | 81°F | 59°F | 3.89 | 0.0 |
| Lebanon | 81°F | 56°F | 3.62 | – |
| Durham | 80°F | 57°F | 3.43 | – |
| Berlin | 78°F | 50°F | 3.94 | – |
| Milford | 81°F | 58°F | 3.68 | 0.0 |
| Franklin | 80°F | 56°F | 4.07 | – |
| Hanover | 82°F | 59°F | 3.55 | 0.0 |
| Hudson | 82°F | 59°F | 3.75 | 0.0 |
| Newport | 79°F | 54°F | 3.75 | 0.0 |
| Plymouth | 79°F | 52°F | 3.83 | 0.0 |
| Meredith | 79°F | 59°F | 3.99 | 0.0 |
| Jaffrey | 79°F | 57°F | 3.86 | – |
| Epping | 81°F | 57°F | 3.53 | 0.0 |
| North Conway | 80°F | 56°F | 4.39 | 0.0 |
| Lancaster | 78°F | 53°F | 4.13 | 0.0 |
| Gorham | 78°F | 52°F | 4.02 | – |
| Whitefield | 78°F | 51°F | 3.72 | – |
| Colebrook | 76°F | 50°F | 4.22 | 0.0 |
| Greenville | 78°F | 56°F | 3.84 | 0.0 |
| Bethlehem | 79°F | 50°F | 4.16 | 0.0 |
| Lincoln | 78°F | 54°F | 3.90 | – |
| Walpole | 79°F | 56°F | 4.17 | – |
| Bradford | 78°F | 55°F | 4.00 | 0.0 |
| Benton (5 mi SW) | 76°F | 54°F | 4.36 | 0.0 |
| East Milford | 82°F | 58°F | 3.93 | 0.0 |
| East Sandwich | 80°F | 55°F | 4.02 | – |
| Errol Airport | 75°F | 50°F | 4.17 | – |
| First Connecticut Lake | 74°F | 52°F | 4.76 | 0.0 |
| Grafton | 78°F | 53°F | 3.32 | – |
| Greenland | 79°F | 59°F | 3.66 | 0.0 |
| Hopkinton Lake | 81°F | 56°F | 4.01 | – |
| Jaffrey Silver Ranch Airpark | 80°F | 58°F | 4.02 | – |
| Jefferson | 76°F | 54°F | 3.98 | 0.0 |
| Massabesic Lake | 80°F | 59°F | 3.68 | 0.0 |
| Mount Sunapee | 77°F | 57°F | 3.66 | 0.0 |
| Mount Washington | 54°F | 43°F | 7.72 | 0.1 |
| North Stratford | 77°F | 53°F | 3.98 | 0.0 |
| Pinkham Notch | 74°F | 52°F | 5.12 | 0.0 |
| Salisbury | 79°F | 55°F | 4.41 | – |
| Tamworth 4 | 77°F | 53°F | 4.03 | 0.0 |
| Waterville Valley Nepp | 76°F | 52°F | 4.35 | – |
| Weare | 78°F | 58°F | – | – |
| Weare (2 mi NE) | 81°F | 59°F | 4.07 | – |
| Wentworth | 81°F | 53°F | 3.87 | 0.0 |
| West Hampstead | 80°F | 58°F | 3.72 | 0.0 |
| York Pond | 75°F | 51°F | 4.42 | 0.0 |
Source: NOAA NCEI nClimDiv statewide normals; NOAA NCEI 1991-2020 monthly normals for each station.