Grafton, New Hampshire Climate
United States
Pop. 1,212 Elev. 255 m / 837 ft
TZ: America/New_York (UTC-4) ·
Dry and warm, Grafton sees July highs of 83°F (28°C) and cold January lows of 13°F (-11°C). Wind chill can push winter lows to 2°F (-17°C). Expect around 49 rainy days annually (34.4 in / 875 mm total), with snow on 14 days and 83 in (2113 mm) of annual accumulation. The city averages 95 sunny days per year and around 21 thunderstorm days. Nearby lake water reaches 72°F (22°C) in summer.
| Temperature | 83°F (28°C) high | 13°F (-11°C) low |
| Feels like | 87°F (31°C) high | 2°F (-16°C) low |
| Rain | 49 days | 34.4 in (875 mm) /yr |
| Snow | 14 days | 83.2 in (2113 mm) /yr |
| Sky | 95 sunny | 21 stormy |
| Wind | 3.2 mph (1.4 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jun, Jul, Aug, Sep
Sky & Air by Month
Cloud cover (%)
59
Jan 63
Feb 67
Mar 69
Apr 80
May 61
Jun 59
Jul 45
Aug 47
Sep 47
Oct 69
Nov 69
Dec Humidity (%)
63
Jan 67
Feb 61
Mar 57
Apr 74
May 70
Jun 68
Jul 65
Aug 68
Sep 71
Oct 72
Nov 70
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 19 mi Lebanon Municipal Airport (LEB)
Ski resort 7 mi Ragged Mountain Resort
National park 86 mi Connecticut River Greenway State Park
Mountain peak
(5,089 ft) 43 mi Mount Lincoln
Hospital 10 mi New London Hospital
Hiking trail 11 mi Sunapee-Ragged-Kearsarge Greenway
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 27°F -3°C | 13°F -11°C | 0.2 in 5 mm | 11.3 in288 mm | 9 |
| February | 29°F -2°C | 13°F -10°C | 0.8 in 20 mm | 31.1 in789 mm | 5 |
| March | 47°F 8°C | 27°F -3°C | 2.8 in 70 mm | 11.4 in290 mm | 6 |
| April | 57°F 14°C | 37°F 3°C | 3.2 in 81 mm | 8.5 in215 mm | 5 |
| May | 63°F 17°C | 47°F 8°C | 8.6 in 218 mm | — | 4 |
| June | 76°F 24°C | 57°F 14°C | 2.7 in 69 mm | — | 9 |
| July | 83°F 28°C | 63°F 17°C | 3.5 in 90 mm | — | 9 |
| August | 78°F 26°C | 55°F 13°C | 0.8 in 22 mm | — | 15 |
| September | 73°F 23°C | 50°F 10°C | 2.9 in 74 mm | — | 13 |
| October | 59°F 15°C | 40°F 5°C | 4.8 in 123 mm | — | 14 |
| November | 42°F 5°C | 31°F -1°C | 2.6 in 66 mm | 3.4 in87 mm | 3 |
| December | 30°F -1°C | 13°F -11°C | 1.5 in 38 mm | 17.5 in444 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 9 | 0 |
| February | 5 | 0 |
| March | 6 | 0 |
| April | 5 | 1 |
| May | 4 | 6 |
| June | 9 | 2 |
| July | 9 | 4 |
| August | 15 | 0 |
| September | 13 | 2 |
| October | 14 | 3 |
| November | 3 | 1 |
| December | 3 | 2 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 32°F 0°C |
| April | 37°F 3°C |
| May | 48°F 9°C |
| June | 59°F 15°C |
| July | 72°F 22°C |
| August | 69°F 21°C |
| September | 63°F 17°C |
| October | 53°F 12°C |
| November | 41°F 5°C |
| December | 32°F 0°C |