Southbury, Connecticut Climate
United States
Pop. 19,836 Elev. 77 m / 253 ft
TZ: America/New_York (UTC-4) ·
Southbury has mild summers with average highs of 84°F (29°C) in July, and frigid winters averaging 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 13°F (-11°C). Rain falls on about 65 days per year (41.5 in / 1053 mm total), with snow on 7 days and 39 in (996 mm) of annual accumulation. The city averages 116 sunny days per year and around 39 thunderstorm days. Ocean water temperatures reach 76°F (24°C) in summer.
| Temperature | 84°F (29°C) high | 21°F (-6°C) low |
| Feels like | 92°F (33°C) high | 13°F (-11°C) low |
| Rain | 65 days | 41.5 in (1053 mm) /yr |
| Snow | 7 days | 39.2 in (996 mm) /yr |
| Sky | 116 sunny | 39 stormy |
| Wind | 3.0 mph (1.4 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 (%)
45
Jan 67
Feb 58
Mar 69
Apr 75
May 65
Jun 60
Jul 45
Aug 53
Sep 43
Oct 55
Nov 57
Dec Humidity (%)
56
Jan 60
Feb 55
Mar 54
Apr 73
May 71
Jun 74
Jul 64
Aug 71
Sep 66
Oct 62
Nov 59
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 23 mi Tweed New Haven Airport (HVN)
Ski resort 16 mi Mount Southington Ski Area
National park 71 mi Connecticut River Greenway State Park
Mountain peak
(4,971 ft) 185 mi Schofield Cobble
Hospital 10 mi Waterbury Hospital
Hiking trail 3 mi
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 34°F 1°C | 21°F -6°C | 0.9 in 24 mm | 5.0 in127 mm | 16 |
| February | 37°F 3°C | 24°F -4°C | 1.6 in 40 mm | 18.1 in458 mm | 4 |
| March | 52°F 11°C | 34°F 1°C | 4.1 in 105 mm | 0.3 in9 mm | 9 |
| April | 61°F 16°C | 43°F 6°C | 3.4 in 86 mm | 3.6 in91 mm | 5 |
| May | 67°F 19°C | 52°F 11°C | 8.6 in 219 mm | — | 5 |
| June | 78°F 26°C | 62°F 17°C | 2.6 in 67 mm | — | 9 |
| July | 84°F 29°C | 68°F 20°C | 4.4 in 113 mm | — | 9 |
| August | 80°F 27°C | 60°F 16°C | 1.9 in 47 mm | — | 16 |
| September | 75°F 24°C | 57°F 14°C | 3.7 in 93 mm | — | 10 |
| October | 63°F 17°C | 47°F 8°C | 5.9 in 151 mm | — | 16 |
| November | 49°F 10°C | 36°F 2°C | 2.3 in 59 mm | 0.1 in3 mm | 9 |
| December | 37°F 3°C | 24°F -4°C | 2.0 in 50 mm | 12.1 in307 mm | 8 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 16 | 1 |
| February | 4 | 1 |
| March | 9 | 2 |
| April | 5 | 1 |
| May | 5 | 8 |
| June | 9 | 5 |
| July | 9 | 7 |
| August | 16 | 2 |
| September | 10 | 4 |
| October | 16 | 6 |
| November | 9 | 1 |
| December | 8 | 1 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 43°F 6°C | 34°F 1°C |
| February | 36°F 2°C | 33°F 0°C |
| March | 41°F 5°C | 37°F 3°C |
| April | 51°F 10°C | 45°F 7°C |
| May | 57°F 14°C | 56°F 13°C |
| June | 70°F 21°C | 65°F 19°C |
| July | 76°F 24°C | 76°F 24°C |
| August | 76°F 24°C | 72°F 22°C |
| September | 72°F 22°C | 67°F 20°C |
| October | 70°F 21°C | 59°F 15°C |
| November | 59°F 15°C | 47°F 8°C |
| December | 49°F 9°C | 36°F 2°C |