Durham, New Hampshire Climate
United States
Pop. 10,345 Elev. 17 m / 56 ft
TZ: America/New_York (UTC-4) ·
Durham has mild summers with average highs of 83°F (28°C) in July, and frigid winters averaging 17°F (-8°C) in February. Humidity pushes the summer feels-like temperature to 88°F (31°C), while wind chill can drive winter lows to 8°F (-13°C). Rain falls on about 54 days per year (35.3 in / 896 mm total), with snow on 11 days and 67 in (1693 mm) of annual accumulation. The city averages 130 sunny days per year and around 20 thunderstorm days. Ocean water temperatures reach 69°F (20°C) in summer.
| Temperature | 83°F (29°C) high | 17°F (-8°C) low |
| Feels like | 88°F (31°C) high | 8°F (-13°C) low |
| Rain | 54 days | 35.3 in (896 mm) /yr |
| Snow | 11 days | 66.7 in (1693 mm) /yr |
| Sky | 130 sunny | 20 stormy |
| Wind | 3.6 mph (1.6 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 (%)
45
Jan 54
Feb 63
Mar 66
Apr 77
May 59
Jun 56
Jul 45
Aug 49
Sep 45
Oct 54
Nov 54
Dec Humidity (%)
58
Jan 65
Feb 62
Mar 59
Apr 74
May 70
Jun 68
Jul 64
Aug 73
Sep 69
Oct 68
Nov 68
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 6 mi Portsmouth International Airport at Pease (PSM)
Ski resort 9 mi Powderhouse Hill Ski Area
National park 71 mi Fort Baldwin State Historic Site
Mountain peak
(5,460 ft) 79 mi Boott Spur
Hospital 6 mi Wentworth-Douglass Hospital
Hiking trail 0 mi Short Portage
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 31°F 0°C | 18°F -8°C | 0.7 in 19 mm | 7.6 in193 mm | 15 |
| February | 32°F 0°C | 17°F -8°C | 1.2 in 31 mm | 27.2 in691 mm | 10 |
| March | 48°F 9°C | 30°F -1°C | 3.5 in 89 mm | 6.8 in172 mm | 9 |
| April | 58°F 14°C | 40°F 5°C | 4.2 in 106 mm | 7.1 in181 mm | 8 |
| May | 64°F 18°C | 49°F 10°C | 8.0 in 203 mm | — | 4 |
| June | 77°F 25°C | 59°F 15°C | 2.1 in 53 mm | — | 11 |
| July | 83°F 29°C | 65°F 19°C | 3.1 in 78 mm | — | 10 |
| August | 79°F 26°C | 59°F 15°C | 1.5 in 37 mm | — | 16 |
| September | 73°F 23°C | 54°F 12°C | 2.5 in 64 mm | — | 11 |
| October | 62°F 16°C | 45°F 7°C | 4.0 in 102 mm | — | 17 |
| November | 46°F 8°C | 34°F 1°C | 2.7 in 68 mm | 0.4 in11 mm | 8 |
| December | 33°F 1°C | 18°F -8°C | 1.8 in 45 mm | 17.5 in445 mm | 11 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 15 | 0 |
| February | 10 | 1 |
| March | 9 | 1 |
| April | 8 | 2 |
| May | 4 | 5 |
| June | 11 | 0 |
| July | 10 | 4 |
| August | 16 | 1 |
| September | 11 | 3 |
| October | 17 | 1 |
| November | 8 | 1 |
| December | 11 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 44°F 7°C | 32°F 0°C |
| February | 40°F 5°C | 32°F 0°C |
| March | 41°F 5°C | 33°F 1°C |
| April | 46°F 8°C | 41°F 5°C |
| May | 53°F 12°C | 52°F 11°C |
| June | 63°F 17°C | 63°F 17°C |
| July | 68°F 20°C | 73°F 23°C |
| August | 69°F 20°C | 69°F 21°C |
| September | 65°F 18°C | 64°F 18°C |
| October | 61°F 16°C | 54°F 12°C |
| November | 54°F 12°C | 41°F 5°C |
| December | 48°F 9°C | 33°F 0°C |