Williamstown, Massachusetts Climate
United States
Pop. 4,325 Elev. 214 m / 702 ft
TZ: America/New_York (UTC-4) ·
Williamstown has mild summers with average highs of 81°F (27°C) in July, and frigid winters averaging 12°F (-11°C) in January. Wind chill can push winter lows to 2°F (-17°C). Rain falls on about 63 days per year (43.2 in / 1098 mm total), with snow on 11 days and 86 in (2197 mm) of annual accumulation. The city averages 97 sunny days per year and around 29 thunderstorm days. Nearby lake water reaches 75°F (24°C) in summer.
| Temperature | 81°F (27°C) high | 12°F (-11°C) low |
| Feels like | 85°F (30°C) high | 2°F (-16°C) low |
| Rain | 63 days | 43.2 in (1098 mm) /yr |
| Snow | 11 days | 86.5 in (2197 mm) /yr |
| Sky | 97 sunny | 29 stormy |
| Wind | 2.9 mph (1.3 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 72
Feb 62
Mar 71
Apr 81
May 61
Jun 55
Jul 44
Aug 47
Sep 45
Oct 67
Nov 67
Dec Humidity (%)
69
Jan 70
Feb 59
Mar 57
Apr 73
May 72
Jun 70
Jul 65
Aug 65
Sep 71
Oct 73
Nov 70
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 30 mi Albany International Airport (ALB)
Ski resort 6 mi Mount Greylock Ski Club
National park 38 mi Connecticut River Greenway State Park
Mountain peak
(4,971 ft) 103 mi Schofield Cobble
Hospital 5 mi North Adams Regional Hospital
Hiking trail 5 mi Wilbur’s Clearing to Summit
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 26°F -3°C | 12°F -11°C | 0.5 in 13 mm | 15.0 in382 mm | 9 |
| February | 30°F -1°C | 15°F -9°C | 1.8 in 45 mm | 26.3 in667 mm | 2 |
| March | 47°F 8°C | 28°F -2°C | 3.5 in 90 mm | 5.3 in134 mm | 9 |
| April | 57°F 14°C | 38°F 3°C | 4.5 in 114 mm | 9.8 in248 mm | 5 |
| May | 64°F 18°C | 49°F 9°C | 9.8 in 248 mm | — | 3 |
| June | 75°F 24°C | 58°F 15°C | 3.6 in 92 mm | — | 9 |
| July | 81°F 27°C | 64°F 18°C | 3.9 in 99 mm | — | 9 |
| August | 76°F 25°C | 56°F 13°C | 1.5 in 39 mm | — | 15 |
| September | 73°F 23°C | 51°F 10°C | 3.2 in 81 mm | — | 15 |
| October | 58°F 15°C | 41°F 5°C | 6.3 in 160 mm | — | 15 |
| November | 42°F 6°C | 30°F -1°C | 3.2 in 82 mm | 7.1 in181 mm | 3 |
| December | 30°F -1°C | 14°F -10°C | 1.3 in 34 mm | 23.1 in587 mm | 3 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 9 | 0 |
| February | 2 | 0 |
| March | 9 | 1 |
| April | 5 | 1 |
| May | 3 | 6 |
| June | 9 | 5 |
| July | 9 | 7 |
| August | 15 | 0 |
| September | 15 | 3 |
| October | 15 | 3 |
| November | 3 | 2 |
| December | 3 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 33°F 1°C |
| April | 38°F 3°C |
| May | 48°F 9°C |
| June | 63°F 17°C |
| July | 75°F 24°C |
| August | 71°F 21°C |
| September | 66°F 19°C |
| October | 55°F 13°C |
| November | 44°F 7°C |
| December | 34°F 1°C |