Greenwich, Connecticut, United States Climate

Weather: 12.84°C/55.11°F, Wind SW at 4.92 km/h, 86% Humidity, 0% Chance of rain

United States
(Photo by ROCIO MUGA on Unsplash)
Contents

Greenwich Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Greenwich 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. Greenwich 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-73.6281964
Latitude41.0262417
Attitude/ElevationNonem (0ft)
Local timeThursday 13:55
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 Greenwich: 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 hours7.398.449.29.7112.4213.2613.3311.459.838.646.786.349.73

Climate Graph

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

Greenwich

Greenwich 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 Temperature33.0°C (91.4°F)25.07°C (77.13°F)18.0°C (64.4°F)
Avg Temperature31.0°C (87.8°F)22.67°C (72.81°F)16.0°C (60.8°F)
Min Temperature25.0°C (77.0°F)19.33°C (66.79°F)14.0°C (57.2°F)
Dew PointMaxAverageMin
Dew Point22.0°C (71.6°F)16.6°C (61.88°F)9.0°C (48.2°F)
PrecipitationMaxAverageMinSum
Precipitation45.7mm | 1.8in8.72mm | 0.34in0.0mm | 0in261.5mm | 10.3in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind23.0kmh | 14.29mph11.3kmh | 7.02mph5.0kmh | 3.11mph
Gust Wind32.0kmh | 19.88mph15.5kmh | 9.63mph6.0kmh | 3.73mph
Sea Level PressureMaxAverageMin
Sea Level Pressure45.7mb8.72mb0.0mb
Greenwich

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
September° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-09-0123 | 73.416 | 60.87010 | 6.2130.3 | 10260.6 | 0.02
2018-09-0226 | 78.819 | 66.2726 | 3.7330.24 | 10240.0 | 0.0
2018-09-0329 | 84.222 | 71.6738 | 4.9730.21 | 10230.5 | 0.02
2018-09-0431 | 87.822 | 71.6657 | 4.3530.21 | 10230.8 | 0.03
2018-09-0529 | 84.222 | 71.6709 | 5.5930.21 | 10230.0 | 0.0
2018-09-0630 | 86.022 | 71.67210 | 6.2130.12 | 102024.6 | 0.97
2018-09-0723 | 73.418 | 64.47711 | 6.8430.12 | 10205.7 | 0.22
2018-09-0819 | 66.213 | 55.46815 | 9.3230.12 | 10209.4 | 0.37
2018-09-0917 | 62.69 | 48.26319 | 11.8130.21 | 102311.4 | 0.45
2018-09-1018 | 64.414 | 57.28423 | 14.2930.18 | 102245.7 | 1.8
2018-09-1124 | 75.219 | 66.2837 | 4.3530.12 | 102013.0 | 0.51
2018-09-1224 | 75.221 | 69.8876 | 3.7330.21 | 102323.2 | 0.91
2018-09-1323 | 73.419 | 66.28410 | 6.2130.24 | 10244.2 | 0.17
2018-09-1423 | 73.418 | 64.4799 | 5.5930.24 | 10240.0 | 0.0
2018-09-1525 | 77.019 | 66.2735 | 3.1130.18 | 10220.0 | 0.0
2018-09-1627 | 80.620 | 68.0705 | 3.1130.18 | 10220.2 | 0.01
2018-09-1725 | 77.019 | 66.27410 | 6.2130.09 | 10190.3 | 0.01
2018-09-1825 | 77.021 | 69.88113 | 8.0829.77 | 100831.6 | 1.24
2018-09-1924 | 75.218 | 64.47310 | 6.2129.91 | 10130.3 | 0.01
2018-09-2020 | 68.014 | 57.2699 | 5.5930.18 | 10220.4 | 0.02
2018-09-2121 | 69.816 | 60.87317 | 10.5630.15 | 10210.3 | 0.01
2018-09-2221 | 69.812 | 53.66016 | 9.9430.09 | 10191.6 | 0.06
2018-09-2318 | 64.410 | 50.0619 | 5.5930.24 | 10240.0 | 0.0
2018-09-2417 | 62.610 | 50.06818 | 11.1830.45 | 10310.5 | 0.02
2018-09-2519 | 66.217 | 62.68917 | 10.5630.3 | 102637.8 | 1.49
2018-09-2624 | 75.221 | 69.88613 | 8.0829.97 | 101522.4 | 0.88
2018-09-2720 | 68.011 | 51.86115 | 9.3230.09 | 10195.3 | 0.21
2018-09-2816 | 60.813 | 55.47715 | 9.3230.06 | 101821.7 | 0.85
2018-09-2920 | 68.013 | 55.4659 | 5.5930.18 | 10220.0 | 0.0
2018-09-3019 | 66.210 | 50.0598 | 4.9730.3 | 10260.0 | 0.0

Greenwich 3 Year Historical Weather Data

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