Ayer, Massachusetts Climate
United States
Pop. 2,868 Elev. 75 m / 246 ft
TZ: America/New_York (UTC-4) ·
Ayer sees warm summers peaking at 86°F (30°C) in July, and frigid winters that bottom out around 20°F (-7°C) in January. Humidity pushes the summer feels-like temperature to 93°F (34°C), while wind chill can drive winter lows to 11°F (-12°C). Precipitation occurs on roughly 54 days per year (35.6 in / 904 mm total), with snow on 11 days and 51 in (1307 mm) of annual accumulation. The city averages 135 sunny days per year. Ocean water temperatures reach 68°F (20°C) in summer.
| Temperature | 86°F (30°C) high | 20°F (-7°C) low |
| Feels like | 93°F (34°C) high | 11°F (-12°C) low |
| Rain | 54 days | 35.6 in (904 mm) /yr |
| Snow | 11 days | 51.4 in (1307 mm) /yr |
| Sky | 135 sunny | 17 stormy |
| Wind | 3.6 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 (%)
42
Jan 59
Feb 61
Mar 66
Apr 78
May 60
Jun 55
Jul 46
Aug 54
Sep 46
Oct 49
Nov 53
Dec Humidity (%)
56
Jan 62
Feb 56
Mar 54
Apr 70
May 68
Jun 66
Jul 61
Aug 73
Sep 68
Oct 65
Nov 62
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 7 mi Snow Tubing Park
National park 52 mi Connecticut River Greenway State Park
Mountain peak
(5,089 ft) 110 mi Mount Lincoln
Hospital 2 mi Taravista Behavioral Health Center
Hiking trail 4 mi Ice Line Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 34°F 1°C | 20°F -7°C | 1.1 in 28 mm | 6.8 in171 mm | 17 |
| February | 36°F 2°C | 21°F -6°C | 1.3 in 33 mm | 22.0 in559 mm | 8 |
| March | 52°F 11°C | 33°F 1°C | 3.5 in 89 mm | 0.1 in3 mm | 10 |
| April | 61°F 16°C | 43°F 6°C | 3.1 in 80 mm | 6.3 in161 mm | 8 |
| May | 68°F 20°C | 51°F 11°C | 8.5 in 216 mm | — | 4 |
| June | 79°F 26°C | 61°F 16°C | 2.2 in 55 mm | — | 10 |
| July | 86°F 30°C | 67°F 19°C | 2.8 in 71 mm | — | 11 |
| August | 81°F 27°C | 60°F 15°C | 1.7 in 44 mm | — | 17 |
| September | 75°F 24°C | 55°F 13°C | 2.7 in 68 mm | — | 10 |
| October | 63°F 17°C | 45°F 7°C | 4.3 in 108 mm | — | 18 |
| November | 49°F 10°C | 35°F 1°C | 2.7 in 69 mm | 0.1 in3 mm | 11 |
| December | 36°F 2°C | 21°F -6°C | 1.8 in 44 mm | 16.1 in409 mm | 11 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 17 | 0 |
| February | 8 | 0 |
| March | 10 | 1 |
| April | 8 | 1 |
| May | 4 | 6 |
| June | 10 | 0 |
| July | 11 | 2 |
| August | 17 | 1 |
| September | 10 | 2 |
| October | 18 | 2 |
| November | 11 | 1 |
| December | 11 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 44°F 6°C | 32°F 0°C |
| February | 39°F 4°C | 32°F 0°C |
| March | 40°F 5°C | 38°F 3°C |
| April | 46°F 8°C | 47°F 8°C |
| May | 53°F 12°C | 57°F 14°C |
| June | 64°F 18°C | 67°F 20°C |
| July | 68°F 20°C | 74°F 23°C |
| August | 68°F 20°C | 70°F 21°C |
| September | 65°F 18°C | 65°F 18°C |
| October | 63°F 17°C | 54°F 12°C |
| November | 54°F 12°C | 40°F 5°C |
| December | 48°F 9°C | 32°F 0°C |