Southborough, Massachusetts Climate
United States
Pop. 9,686 Elev. 94 m / 308 ft
TZ: America/New_York (UTC-4) ·
Southborough sees warm summers peaking at 85°F (29°C) in July, and frigid winters that bottom out around 21°F (-6°C) in January. Humidity pushes the summer feels-like temperature to 92°F (33°C), while wind chill can drive winter lows to 12°F (-11°C). Precipitation occurs on roughly 56 days per year (36.7 in / 931 mm total), with snow on 7 days and 42 in (1072 mm) of annual accumulation. The city averages 127 sunny days per year and around 23 thunderstorm days. Ocean water temperatures reach 69°F (20°C) in summer.
| Temperature | 85°F (30°C) high | 21°F (-6°C) low |
| Feels like | 92°F (33°C) high | 12°F (-11°C) low |
| Rain | 56 days | 36.7 in (931 mm) /yr |
| Snow | 7 days | 42.2 in (1072 mm) /yr |
| Sky | 127 sunny | 23 stormy |
| Wind | 3.5 mph (1.6 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Jun, Jul, Aug, Sep
Sky & Air by Month
Cloud cover (%)
41
Jan 60
Feb 60
Mar 66
Apr 78
May 61
Jun 57
Jul 47
Aug 55
Sep 46
Oct 48
Nov 53
Dec Humidity (%)
55
Jan 60
Feb 56
Mar 54
Apr 70
May 69
Jun 68
Jul 63
Aug 73
Sep 68
Oct 65
Nov 59
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 17 mi Laurence G Hanscom Field (BED)
Ski resort 17 mi Snow Tubing Park
National park 54 mi Connecticut River Greenway State Park
Mountain peak
(5,089 ft) 127 mi Mount Lincoln
Hospital 3 mi Whittier Rehabilitation Hospital-Westborough
Hiking trail 6 mi Edmund Hill Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 35°F 1°C | 21°F -6°C | 1.2 in 31 mm | 6.1 in156 mm | 15 |
| February | 37°F 3°C | 23°F -5°C | 1.5 in 38 mm | 19.2 in488 mm | 7 |
| March | 52°F 11°C | 34°F 1°C | 3.8 in 97 mm | 0.1 in2 mm | 9 |
| April | 61°F 16°C | 43°F 6°C | 3.1 in 78 mm | 5.8 in148 mm | 7 |
| May | 68°F 20°C | 52°F 11°C | 7.5 in 189 mm | — | 3 |
| June | 79°F 26°C | 61°F 16°C | 2.8 in 71 mm | — | 10 |
| July | 85°F 30°C | 67°F 19°C | 3.3 in 85 mm | — | 10 |
| August | 80°F 27°C | 60°F 15°C | 1.8 in 46 mm | — | 15 |
| September | 75°F 24°C | 56°F 13°C | 2.8 in 71 mm | — | 11 |
| October | 63°F 17°C | 46°F 8°C | 4.1 in 104 mm | — | 17 |
| November | 50°F 10°C | 35°F 2°C | 2.5 in 64 mm | 0.1 in2 mm | 13 |
| December | 37°F 3°C | 23°F -5°C | 2.2 in 56 mm | 10.8 in276 mm | 10 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 15 | 1 |
| February | 7 | 0 |
| March | 9 | 1 |
| April | 7 | 1 |
| May | 3 | 6 |
| June | 10 | 1 |
| July | 10 | 2 |
| August | 15 | 2 |
| September | 11 | 4 |
| October | 17 | 3 |
| November | 13 | 1 |
| December | 10 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 44°F 7°C | 32°F 0°C |
| February | 39°F 4°C | 32°F 0°C |
| March | 41°F 5°C | 38°F 3°C |
| April | 47°F 8°C | 46°F 8°C |
| May | 54°F 12°C | 57°F 14°C |
| June | 66°F 19°C | 67°F 19°C |
| July | 68°F 20°C | 74°F 24°C |
| August | 69°F 20°C | 70°F 21°C |
| September | 65°F 19°C | 65°F 19°C |
| October | 63°F 17°C | 55°F 13°C |
| November | 55°F 13°C | 42°F 6°C |
| December | 48°F 9°C | 33°F 0°C |