West Yarmouth, Massachusetts Climate
United States
Pop. 6,012 Elev. 10 m / 33 ft
TZ: America/New_York (UTC-4) ·
West Yarmouth has mild summers with average highs of 73°F (23°C) in July, and cold winters averaging 28°F (-2°C) in January. Wind chill can push winter lows to 18°F (-8°C). Rain falls on about 60 days per year (38.3 in / 973 mm total), with snow on 6 days and 28 in (707 mm) of annual accumulation. The city averages 120 sunny days per year and around 21 thunderstorm days. Ocean water temperatures reach 73°F (23°C) in summer.
| Temperature | 73°F (23°C) high | 28°F (-2°C) low |
| Feels like | 18°F (-8°C) low | |
| Rain | 60 days | 38.3 in (973 mm) /yr |
| Snow | 6 days | 27.9 in (707 mm) /yr |
| Sky | 120 sunny | 21 stormy |
| Wind | 6.1 mph (2.7 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 (%)
51
Jan 63
Feb 64
Mar 65
Apr 72
May 60
Jun 55
Jul 44
Aug 53
Sep 47
Oct 48
Nov 61
Dec Humidity (%)
64
Jan 70
Feb 75
Mar 75
Apr 84
May 85
Jun 86
Jul 78
Aug 81
Sep 75
Oct 68
Nov 69
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 2 mi Cape Cod Gateway Airport (HYA)
Ski resort 57 mi St. Moritz Park
National park 147 mi Fort Baldwin State Historic Site
Mountain peak
(5,460 ft) 188 mi Boott Spur
Hospital 2 mi Cape Cod Hospital
Hiking trail 6 mi Cape Cod Community College Circuit (Unofficial Cape Cod Pathways)
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 35°F 2°C | 28°F -2°C | 1.7 in 44 mm | 3.6 in92 mm | 12 |
| February | 37°F 3°C | 29°F -2°C | 2.5 in 63 mm | 15.1 in383 mm | 7 |
| March | 44°F 6°C | 37°F 3°C | 5.1 in 129 mm | 0.1 in2 mm | 7 |
| April | 50°F 10°C | 44°F 7°C | 4.9 in 125 mm | 0.1 in4 mm | 7 |
| May | 57°F 14°C | 53°F 12°C | 3.4 in 87 mm | — | 5 |
| June | 67°F 19°C | 62°F 17°C | 2.1 in 54 mm | — | 9 |
| July | 73°F 23°C | 69°F 20°C | 3.2 in 82 mm | — | 10 |
| August | 71°F 21°C | 67°F 19°C | 1.7 in 43 mm | — | 15 |
| September | 67°F 20°C | 64°F 18°C | 1.6 in 39 mm | — | 11 |
| October | 60°F 15°C | 56°F 13°C | 6.0 in 152 mm | — | 16 |
| November | 51°F 10°C | 44°F 6°C | 2.5 in 65 mm | — | 13 |
| December | 41°F 5°C | 32°F 0°C | 3.5 in 89 mm | 8.9 in227 mm | 8 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 12 | 1 |
| February | 7 | 1 |
| March | 7 | 2 |
| April | 7 | 3 |
| May | 5 | 3 |
| June | 9 | 2 |
| July | 10 | 2 |
| August | 15 | 0 |
| September | 11 | 1 |
| October | 16 | 3 |
| November | 13 | 2 |
| December | 8 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 42°F 6°C | 34°F 1°C |
| February | 36°F 2°C | 33°F 0°C |
| March | 42°F 6°C | 39°F 4°C |
| April | 49°F 9°C | 46°F 8°C |
| May | 56°F 13°C | 57°F 14°C |
| June | 70°F 21°C | 66°F 19°C |
| July | 71°F 22°C | 75°F 24°C |
| August | 73°F 23°C | 71°F 22°C |
| September | 69°F 21°C | 67°F 19°C |
| October | 65°F 18°C | 59°F 15°C |
| November | 55°F 13°C | 47°F 8°C |
| December | 47°F 8°C | 36°F 2°C |