Sterling, Massachusetts Climate
United States
Pop. 7,384 Elev. 157 m / 515 ft
TZ: America/New_York (UTC-4) ·
Sterling has warm summers with average highs of 85°F (29°C) in July, and frigid winters averaging 18°F (-8°C) in January. Humidity pushes the summer feels-like temperature to 91°F (33°C), while wind chill can drive winter lows to 8°F (-13°C). Rain falls on about 59 days per year (37.8 in / 961 mm total), with snow on 11 days and 58 in (1468 mm) of annual accumulation. The city averages 121 sunny days per year and around 25 thunderstorm days. Nearby lake water reaches 73°F (23°C) in summer.
| Temperature | 85°F (29°C) high | 18°F (-8°C) low |
| Feels like | 91°F (33°C) high | 8°F (-13°C) low |
| Rain | 59 days | 37.8 in (961 mm) /yr |
| Snow | 11 days | 57.8 in (1468 mm) /yr |
| Sky | 121 sunny | 25 stormy |
| Wind | 4.0 mph (1.8 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 62
Feb 61
Mar 67
Apr 79
May 61
Jun 56
Jul 47
Aug 53
Sep 46
Oct 53
Nov 58
Dec Humidity (%)
58
Jan 64
Feb 57
Mar 55
Apr 71
May 69
Jun 67
Jul 61
Aug 71
Sep 68
Oct 66
Nov 64
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 13 mi Worcester Regional Airport (ORH)
Ski resort 17 mi Snow Tubing Park
National park 42 mi Connecticut River Greenway State Park
Mountain peak
(5,089 ft) 118 mi Mount Lincoln
Hospital 4 mi Umass Memorial-Clinton Hospital
Hiking trail 8 mi Blue Route
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 32°F 0°C | 18°F -8°C | 1.1 in 28 mm | 6.9 in176 mm | 13 |
| February | 34°F 1°C | 20°F -7°C | 1.4 in 37 mm | 23.2 in590 mm | 7 |
| March | 50°F 10°C | 32°F 0°C | 3.6 in 91 mm | 0.4 in10 mm | 9 |
| April | 60°F 15°C | 42°F 5°C | 3.2 in 82 mm | 9.2 in234 mm | 8 |
| May | 66°F 19°C | 51°F 10°C | 9.1 in 231 mm | — | 3 |
| June | 78°F 25°C | 60°F 16°C | 2.8 in 71 mm | — | 10 |
| July | 85°F 29°C | 66°F 19°C | 3.4 in 87 mm | — | 11 |
| August | 80°F 27°C | 59°F 15°C | 1.6 in 41 mm | — | 17 |
| September | 74°F 23°C | 54°F 12°C | 3.0 in 76 mm | — | 9 |
| October | 61°F 16°C | 45°F 7°C | 4.2 in 106 mm | — | 18 |
| November | 48°F 9°C | 34°F 1°C | 2.8 in 70 mm | 0.3 in8 mm | 9 |
| December | 34°F 1°C | 20°F -7°C | 1.6 in 42 mm | 17.7 in450 mm | 7 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 13 | 1 |
| February | 7 | 0 |
| March | 9 | 1 |
| April | 8 | 2 |
| May | 3 | 7 |
| June | 10 | 2 |
| July | 11 | 4 |
| August | 17 | 1 |
| September | 9 | 3 |
| October | 18 | 2 |
| November | 9 | 1 |
| December | 7 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 32°F 0°C |
| February | 32°F 0°C |
| March | 35°F 2°C |
| April | 44°F 7°C |
| May | 55°F 13°C |
| June | 64°F 18°C |
| July | 73°F 23°C |
| August | 69°F 21°C |
| September | 64°F 18°C |
| October | 54°F 12°C |
| November | 41°F 5°C |
| December | 32°F 0°C |