Portland, Connecticut, United States Climate

Weather: 10.66°C/51.19°F, Wind SW at 3.09 km/h, 95% Humidity, 0% Chance of rain

United States
(Photo by Mike Ackerman on Unsplash)
Contents

Portland Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Portland has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 12.63ºC (54.73ºF) and it is -0.01% lower than United States’s averages. Portland typically receives about 49.24 millimeters (1.94 inches) of precipitation and has 44.37 rainy days (12.16% of the time) annually.

CountryUnited States
CityConnecticut
Longitude-72.6408139
Latitude41.5726229
Attitude/ElevationNonem (0ft)
Local timeThursday 15:01
Annual high temperature15.82ºC (60.48ºF)
Annual low temperature7.34ºC (45.21ºF)
Average annual precip.49.24mm (1.94in)
Warmest monthJuly (30.33ºC / 86.59ºF)
Coldest MonthJanuary (-4.52ºC / 23.86ºF)
Wettest MonthDecember (62.23mm / 2.45in)
Driest MonthSeptember (34.67mm / 1.36in)
Number of days with rainfall (≥ 1.0 mm)44.37 days (12.16%)
Days with no rain320.63 days (87.84%)
Humidity72.52%

Climate Portland: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)17.0(62.6)21.0(69.8)18.0(64.4)23.0(73.4)34.0(93.2)35.0(95.0)39.0(102.2)36.0(96.8)36.0(96.8)29.0(84.2)23.0(73.4)17.0(62.6)39.0(102.2)
Average high °C (°F)2.62(36.72)5.2(41.36)7.68(45.82)12.91(55.24)20.68(69.22)25.97(78.75)30.33(86.59)28.62(83.52)24.43(75.97)17.14(62.85)9.6(49.28)4.72(40.5)15.82(60.48)
Daily mean °C (°F)-0.16(31.71)2.35(36.23)4.68(40.42)9.69(49.44)17.11(62.8)22.41(72.34)26.73(80.11)25.15(77.27)20.72(69.3)13.96(57.13)6.69(44.04)2.25(36.05)12.63(54.73)
Average low °C (°F)-4.52(23.86)-1.95(28.49)0.01(32.02)4.21(39.58)10.42(50.76)15.6(60.08)20.04(68.07)19.18(66.52)15.07(59.13)9.09(48.36)2.5(36.5)-1.55(29.21)7.34(45.21)
Record low °C (°F)-20.0(-4.0)-15.0(5.0)-13.0(8.6)-4.0(24.8)2.0(35.6)9.0(48.2)13.0(55.4)11.0(51.8)7.0(44.6)-2.0(28.4)-10.0(14.0)-13.0(8.6)-20.0(-4.0)
Average precipitation mm (inches)44.87(1.77)46.99(1.85)40.3(1.59)52.45(2.06)45.84(1.8)45.94(1.81)59.63(2.35)62.04(2.44)34.67(1.36)46.67(1.84)49.3(1.94)62.23(2.45)49.24(1.94)
Average precipitation days (≥ 1.0 mm)2.453.823.734.364.274.04.554.642.733.733.093.03.7
Average relative humidity (%)68.3571.3970.7769.8971.7471.2373.1474.9974.3275.6273.1875.6272.52
Mean monthly sunshine hours6.928.388.819.8712.3813.0513.3911.7710.048.386.676.539.68

Climate Graph

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

Portland

Portland Temperature by Month

July
26.73°C | 80.11°F
August
25.15°C | 77.27°F
June
22.41°C | 72.34°F
September
20.72°C | 69.3°F
May
17.11°C | 62.8°F
October
13.96°C | 57.13°F
April
9.69°C | 49.44°F
November
6.69°C | 44.04°F
March
4.68°C | 40.42°F
February
2.35°C | 36.23°F
December
2.25°C | 36.05°F
January
-0.16°C | 31.71°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature17.0°C (62.6°F)4.61°C (40.3°F)-4.0°C (24.8°F)
Avg Temperature15.0°C (59.0°F)2.0°C (35.6°F)-6.0°C (21.2°F)
Min Temperature9.0°C (48.2°F)-1.97°C (28.45°F)-8.0°C (17.6°F)
Dew PointMaxAverageMin
Dew Point9.0°C (48.2°F)-3.87°C (25.03°F)-19.0°C (-2.2°F)
PrecipitationMaxAverageMinSum
Precipitation30.0mm | 1.18in2.52mm | 0.1in0.0mm | 0in78.0mm | 3.07in
Snowdepth2.0mm | 0.08in0.09mm | 0.0in0.0mm | 0in2.9mm | 0.11in
WindMaxAverageMin
Wind23.0kmh | 14.29mph11.55kmh | 7.18mph4.0kmh | 2.49mph
Gust Wind34.0kmh | 21.13mph16.87kmh | 10.48mph6.0kmh | 3.73mph
Sea Level PressureMaxAverageMin
Sea Level Pressure30.0mb2.52mb0.0mb
Portland

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
January° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-01-011 | 33.8-4 | 24.86915 | 9.3229.68 | 10050.0 | 0.0
2020-01-023 | 37.4-4 | 24.86412 | 7.4629.88 | 10120.0 | 0.0
2020-01-035 | 41.04 | 39.2957 | 4.3529.8 | 10098.7 | 0.34
2020-01-047 | 44.66 | 42.8984 | 2.4929.65 | 10048.0 | 0.31
2020-01-051 | 33.8-4 | 24.86718 | 11.1829.68 | 10050.0 | 0.0
2020-01-062 | 35.6-5 | 23.06611 | 6.8429.88 | 10120.0 | 0.0
2020-01-071 | 33.8-6 | 21.2648 | 4.9730.0 | 10160.0 | 0.0
2020-01-080 | 32.0-7 | 19.46416 | 9.9429.88 | 10121.6 | 0.06
2020-01-09-3 | 26.6-14 | 6.84313 | 8.0830.53 | 10340.0 | 0.0
2020-01-104 | 39.2-1 | 30.27314 | 8.730.53 | 10340.0 | 0.0
2020-01-1112 | 53.69 | 48.28718 | 11.1830.24 | 10240.0 | 0.0
2020-01-1215 | 59.09 | 48.27323 | 14.2930.0 | 10165.7 | 0.22
2020-01-133 | 37.4-2 | 28.4716 | 3.7330.45 | 10310.0 | 0.0
2020-01-145 | 41.01 | 33.8825 | 3.1130.3 | 10260.0 | 0.0
2020-01-156 | 42.82 | 35.6777 | 4.3530.09 | 10190.0 | 0.0
2020-01-165 | 41.0-2 | 28.46821 | 13.0529.83 | 10104.4 | 0.17
2020-01-17-6 | 21.2-19 | -2.23622 | 13.6730.42 | 10300.0 | 0.0
2020-01-18-5 | 23.0-14 | 6.85210 | 6.2130.36 | 10286.7 | 0.26
2020-01-192 | 35.6-2 | 28.48017 | 10.5629.68 | 10053.6 | 0.14
2020-01-20-6 | 21.2-12 | 10.46116 | 9.9430.06 | 10180.0 | 0.0
2020-01-21-4 | 24.8-12 | 10.45710 | 6.2130.36 | 10280.0 | 0.0
2020-01-22-1 | 30.2-6 | 21.2725 | 3.1130.42 | 10300.0 | 0.0
2020-01-230 | 32.0-6 | 21.2675 | 3.1130.36 | 10280.0 | 0.0
2020-01-242 | 35.6-3 | 26.6744 | 2.4930.3 | 10260.0 | 0.0
2020-01-254 | 39.22 | 35.69316 | 9.9430.09 | 101930.0 | 1.18
2020-01-264 | 39.22 | 35.68710 | 6.2129.74 | 10079.2 | 0.36
2020-01-273 | 37.4-2 | 28.47911 | 6.8429.68 | 10050.1 | 0.0
2020-01-281 | 33.8-5 | 23.07112 | 7.4629.74 | 10070.0 | 0.0
2020-01-291 | 33.8-8 | 17.65711 | 6.8429.94 | 10140.0 | 0.0
2020-01-30-1 | 30.2-10 | 14.0536 | 3.7330.27 | 10250.0 | 0.0
2020-01-311 | 33.8-7 | 19.4615 | 3.1130.27 | 10250.0 | 0.0

Portland 3 Year Historical Weather Data

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