Cos Cob, Connecticut, United States Climate

Weather: 10.74°C/51.33°F, Wind SW at 3.58 km/h, 91% Humidity, 0% Chance of rain

United States
(Photo by Meadow Marie on Unsplash)
Contents

Cos Cob Climate Summary

Located at an elevation of 15.21 meters (49.9 feet) above sea level, Cos Cob has a Humid subtropical, no dry season climate (Classification: Cfa). The district’s yearly temperature is 13.48ºC (56.26ºF) and it is 0.84% higher than United States’s averages. Cos Cob typically receives about 46.94 millimeters (1.85 inches) of precipitation and has 44.82 rainy days (12.28% of the time) annually.

CountryUnited States
CityConnecticut
Longitude-73.5996472
Latitude41.0340436
Attitude/Elevation15.21m (49.9ft)
Local timeThursday 10:08
Annual high temperature15.67ºC (60.21ºF)
Annual low temperature9.95ºC (49.91ºF)
Average annual precip.46.94mm (1.85in)
Warmest monthJuly (29.91ºC / 85.84ºF)
Coldest MonthJanuary (-2.35ºC / 27.77ºF)
Wettest MonthDecember (60.77mm / 2.39in)
Driest MonthJanuary (36.63mm / 1.44in)
Number of days with rainfall (≥ 1.0 mm)44.82 days (12.28%)
Days with no rain320.18 days (87.72%)
Humidity66.12%

Climate Cos Cob: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)15.0(59.0)19.0(66.2)18.0(64.4)22.0(71.6)30.0(86.0)34.0(93.2)36.0(96.8)35.0(95.0)33.0(91.4)29.0(84.2)22.0(71.6)16.0(60.8)36.0(96.8)
Average high °C (°F)2.78(37.0)5.14(41.25)7.41(45.34)12.51(54.52)19.51(67.12)25.21(77.38)29.91(85.84)28.14(82.65)24.31(75.76)17.63(63.73)10.27(50.49)5.22(41.4)15.67(60.21)
Daily mean °C (°F)0.99(33.78)3.15(37.67)5.29(41.52)10.26(50.47)16.95(62.51)22.74(72.93)27.39(81.3)25.9(78.62)21.82(71.28)15.46(59.83)8.26(46.87)3.56(38.41)13.48(56.26)
Average low °C (°F)-2.35(27.77)-0.11(31.8)1.89(35.4)6.63(43.93)12.63(54.73)18.44(65.19)23.38(74.08)22.34(72.21)18.34(65.01)12.26(54.07)5.17(41.31)0.73(33.31)9.95(49.91)
Record low °C (°F)-15.0(5.0)-14.0(6.8)-9.0(15.8)-1.0(30.2)3.0(37.4)11.0(51.8)17.0(62.6)15.0(59.0)10.0(50.0)0.0(0)-7.0(19.4)-9.0(15.8)-15.0(5.0)
Average precipitation mm (inches)36.63(1.44)45.09(1.78)41.08(1.62)46.17(1.82)40.99(1.61)39.72(1.56)60.27(2.37)58.77(2.31)40.05(1.58)46.81(1.84)46.87(1.85)60.77(2.39)46.94(1.85)
Average precipitation days (≥ 1.0 mm)2.093.553.644.184.734.365.274.822.823.452.913.03.74
Average relative humidity (%)64.9267.4664.8864.1966.8664.2264.1365.9866.8267.7365.1971.0466.12
Mean monthly sunshine hours7.388.449.29.7312.4213.2613.3311.459.838.646.786.349.73

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Cos Cob in recent years.

Cos Cob

Cos Cob Temperature by Month

July
27.39°C | 81.3°F
August
25.9°C | 78.62°F
June
22.74°C | 72.93°F
September
21.82°C | 71.28°F
May
16.95°C | 62.51°F
October
15.46°C | 59.83°F
April
10.26°C | 50.47°F
November
8.26°C | 46.87°F
March
5.29°C | 41.52°F
December
3.56°C | 38.41°F
February
3.15°C | 37.67°F
January
0.99°C | 33.78°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature36.0°C (96.8°F)30.35°C (86.63°F)26.0°C (78.8°F)
Avg Temperature32.0°C (89.6°F)27.65°C (81.77°F)23.0°C (73.4°F)
Min Temperature29.0°C (84.2°F)23.13°C (73.63°F)17.0°C (62.6°F)
Dew PointMaxAverageMin
Dew Point24.0°C (75.2°F)18.29°C (64.92°F)11.0°C (51.8°F)
PrecipitationMaxAverageMinSum
Precipitation55.6mm | 2.19in9.2mm | 0.36in0.0mm | 0in285.3mm | 11.23in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind23.0kmh | 14.29mph10.81kmh | 6.72mph4.0kmh | 2.49mph
Gust Wind34.0kmh | 21.13mph15.26kmh | 9.48mph6.0kmh | 3.73mph
Sea Level PressureMaxAverageMin
Sea Level Pressure55.6mb9.2mb0.0mb
Cos Cob

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
July° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-07-0132 | 89.621 | 69.8577 | 4.3530.0 | 10160.0 | 0.0
2018-07-0232 | 89.621 | 69.8588 | 4.9730.06 | 10180.0 | 0.0
2018-07-0331 | 87.824 | 75.2705 | 3.1130.15 | 102123.1 | 0.91
2018-07-0429 | 84.222 | 71.6726 | 3.7330.27 | 102531.7 | 1.25
2018-07-0529 | 84.222 | 71.66913 | 8.0830.24 | 10245.5 | 0.22
2018-07-0627 | 80.619 | 66.26517 | 10.5630.06 | 101811.1 | 0.44
2018-07-0725 | 77.011 | 51.84612 | 7.4630.3 | 10260.0 | 0.0
2018-07-0827 | 80.614 | 57.2516 | 3.7330.33 | 10270.0 | 0.0
2018-07-0928 | 82.415 | 59.05110 | 6.2130.18 | 10220.0 | 0.0
2018-07-1030 | 86.017 | 62.6528 | 4.9729.94 | 10141.3 | 0.05
2018-07-1126 | 78.818 | 64.46511 | 6.8429.94 | 10144.5 | 0.18
2018-07-1226 | 78.814 | 57.2528 | 4.9730.15 | 10213.2 | 0.13
2018-07-1327 | 80.616 | 60.8578 | 4.9730.21 | 10230.0 | 0.0
2018-07-1428 | 82.417 | 62.65810 | 6.2130.09 | 10190.8 | 0.03
2018-07-1528 | 82.420 | 68.0679 | 5.5929.97 | 10157.3 | 0.29
2018-07-1630 | 86.021 | 69.8679 | 5.5929.94 | 10148.3 | 0.33
2018-07-1727 | 80.622 | 71.67412 | 7.4629.85 | 101155.6 | 2.19
2018-07-1826 | 78.815 | 59.05614 | 8.729.88 | 10120.4 | 0.02
2018-07-1928 | 82.414 | 57.2479 | 5.5930.06 | 10180.0 | 0.0
2018-07-2027 | 80.615 | 59.0529 | 5.5930.15 | 10210.0 | 0.0
2018-07-2123 | 73.415 | 59.06217 | 10.5630.06 | 10181.7 | 0.07
2018-07-2226 | 78.820 | 68.07523 | 14.2929.94 | 101418.8 | 0.74
2018-07-2326 | 78.821 | 69.87720 | 12.4330.12 | 102033.8 | 1.33
2018-07-2427 | 80.621 | 69.87322 | 13.6730.18 | 102211.0 | 0.43
2018-07-2526 | 78.821 | 69.87619 | 11.8130.0 | 101628.6 | 1.13
2018-07-2628 | 82.421 | 69.8708 | 4.9729.88 | 10129.1 | 0.36
2018-07-2729 | 84.220 | 68.0657 | 4.3529.97 | 101510.0 | 0.39
2018-07-2829 | 84.220 | 68.0684 | 2.4929.97 | 101518.5 | 0.73
2018-07-2927 | 80.616 | 60.8588 | 4.9730.06 | 10181.0 | 0.04
2018-07-3026 | 78.816 | 60.8598 | 4.9730.12 | 10200.0 | 0.0
2018-07-3127 | 80.618 | 64.4638 | 4.9730.12 | 10200.0 | 0.0

Cos Cob 3 Year Historical Weather Data

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