Dorchester, Massachusetts, United States Climate

Weather: 13.12°C/55.62°F, Wind SW at 7.2 km/h, 24% Humidity, 0% Chance of rain

United States
(Photo by CDMA on Unsplash)
Contents

Dorchester Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Dorchester has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 12.46ºC (54.43ºF) and it is -0.18% lower than United States’s averages. Dorchester typically receives about 16.96 millimeters (0.67 inches) of precipitation and has 33.72 rainy days (9.24% of the time) annually.

CountryUnited States
CityMassachusetts
Longitude-71.067605
Latitude42.3016305
Attitude/ElevationNonem (0ft)
Local timeThursday 22:31
Annual high temperature15.13ºC (59.23ºF)
Annual low temperature7.85ºC (46.13ºF)
Average annual precip.16.96mm (0.67in)
Warmest monthJuly (29.87ºC / 85.77ºF)
Coldest MonthJanuary (-4.13ºC / 24.57ºF)
Wettest MonthDecember (22.72mm / 0.89in)
Driest MonthSeptember (10.49mm / 0.41in)
Number of days with rainfall (≥ 1.0 mm)33.72 days (9.24%)
Days with no rain331.28 days (90.76%)
Humidity66.92%

Climate Dorchester: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)17.0(62.6)20.0(68.0)19.0(66.2)22.0(71.6)33.0(91.4)35.0(95.0)40.0(104.0)37.0(98.6)35.0(95.0)29.0(84.2)20.0(68.0)17.0(62.6)40.0(104.0)
Average high °C (°F)2.17(35.91)4.56(40.21)6.53(43.75)11.91(53.44)19.35(66.83)25.0(77.0)29.87(85.77)28.25(82.85)23.43(74.17)16.53(61.75)9.47(49.05)4.47(40.05)15.13(59.23)
Daily mean °C (°F)-0.05(31.91)2.09(35.76)4.1(39.38)9.29(48.72)16.35(61.43)21.94(71.49)26.57(79.83)25.22(77.4)20.6(69.08)13.85(56.93)7.11(44.8)2.4(36.32)12.46(54.43)
Average low °C (°F)-4.13(24.57)-1.85(28.67)-0.05(31.91)4.5(40.1)10.71(51.28)16.08(60.94)20.72(69.3)20.1(68.18)16.14(61.05)9.9(49.82)3.26(37.87)-1.13(29.97)7.85(46.13)
Record low °C (°F)-20.0(-4.0)-18.0(-0.4)-13.0(8.6)-3.0(26.6)3.0(37.4)9.0(48.2)16.0(60.8)12.0(53.6)9.0(48.2)0.0(0)-10.0(14.0)-11.0(12.2)-20.0(-4.0)
Average precipitation mm (inches)15.61(0.61)15.43(0.61)19.5(0.77)18.64(0.73)12.81(0.5)13.94(0.55)17.09(0.67)19.27(0.76)10.49(0.41)19.5(0.77)18.47(0.73)22.72(0.89)16.96(0.67)
Average precipitation days (≥ 1.0 mm)2.273.02.453.183.362.643.553.451.822.732.912.362.81
Average relative humidity (%)67.767.6968.6364.465.2564.2964.8666.0667.1969.1367.0770.866.92
Mean monthly sunshine hours6.748.558.6510.1712.4113.113.5212.3210.37.826.666.619.74

Climate Graph

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

Dorchester

Dorchester Temperature by Month

July
26.57°C | 79.83°F
August
25.22°C | 77.4°F
June
21.94°C | 71.49°F
September
20.6°C | 69.08°F
May
16.35°C | 61.43°F
October
13.85°C | 56.93°F
April
9.29°C | 48.72°F
November
7.11°C | 44.8°F
March
4.1°C | 39.38°F
December
2.4°C | 36.32°F
February
2.09°C | 35.76°F
January
-0.05°C | 31.91°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature20.0°C (68.0°F)12.07°C (53.73°F)2.0°C (35.6°F)
Avg Temperature18.0°C (64.4°F)10.0°C (50.0°F)1.0°C (33.8°F)
Min Temperature15.0°C (59.0°F)6.4°C (43.52°F)-1.0°C (30.2°F)
Dew PointMaxAverageMin
Dew Point15.0°C (59.0°F)3.37°C (38.07°F)-10.0°C (14.0°F)
PrecipitationMaxAverageMinSum
Precipitation16.7mm | 0.66in2.0mm | 0.08in0.0mm | 0in60.0mm | 2.36in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind29.0kmh | 18.02mph16.1kmh | 10.0mph5.0kmh | 3.11mph
Gust Wind34.0kmh | 21.13mph23.83kmh | 14.81mph9.0kmh | 5.59mph
Sea Level PressureMaxAverageMin
Sea Level Pressure16.7mb2.0mb0.0mb
Dorchester

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
November° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2020-11-0111 | 51.86 | 42.87914 | 8.730.09 | 10197.1 | 0.28
2020-11-024 | 39.2-2 | 28.46429 | 18.0229.44 | 9973.9 | 0.15
2020-11-036 | 42.8-4 | 24.85323 | 14.2929.85 | 10110.0 | 0.0
2020-11-046 | 42.8-4 | 24.85012 | 7.4630.45 | 10310.0 | 0.0
2020-11-0514 | 57.29 | 48.27520 | 12.4330.36 | 10280.0 | 0.0
2020-11-0616 | 60.810 | 50.07116 | 9.9430.24 | 10240.0 | 0.0
2020-11-0716 | 60.89 | 48.26712 | 7.4630.21 | 10230.0 | 0.0
2020-11-0816 | 60.810 | 50.0718 | 4.9730.33 | 10270.0 | 0.0
2020-11-0916 | 60.89 | 48.2698 | 4.9730.3 | 10260.0 | 0.0
2020-11-1017 | 62.610 | 50.06915 | 9.3230.18 | 10220.0 | 0.0
2020-11-1118 | 64.415 | 59.08619 | 11.8130.06 | 10180.1 | 0.0
2020-11-1216 | 60.812 | 53.67916 | 9.9429.91 | 10132.1 | 0.08
2020-11-1310 | 50.06 | 42.87814 | 8.730.03 | 10173.7 | 0.15
2020-11-148 | 46.40 | 32.05818 | 11.1830.0 | 10160.0 | 0.0
2020-11-158 | 46.41 | 33.86116 | 9.9430.0 | 10162.5 | 0.1
2020-11-168 | 46.41 | 33.86125 | 15.5329.74 | 10070.4 | 0.02
2020-11-176 | 42.8-3 | 26.65421 | 13.0529.85 | 10110.0 | 0.0
2020-11-181 | 33.8-10 | 14.04422 | 13.6730.21 | 10230.0 | 0.0
2020-11-194 | 39.2-7 | 19.44717 | 10.5630.45 | 10310.0 | 0.0
2020-11-2011 | 51.82 | 35.66021 | 13.0530.27 | 10250.0 | 0.0
2020-11-2111 | 51.85 | 41.06814 | 8.730.27 | 10250.0 | 0.0
2020-11-226 | 42.80 | 32.06614 | 8.730.47 | 10320.0 | 0.0
2020-11-2310 | 50.06 | 42.87922 | 13.6729.97 | 101516.7 | 0.66
2020-11-244 | 39.2-7 | 19.44621 | 13.0530.21 | 10230.0 | 0.0
2020-11-256 | 42.8-2 | 28.46110 | 6.2130.39 | 10290.0 | 0.0
2020-11-2612 | 53.610 | 50.09410 | 6.2130.15 | 102116.4 | 0.65
2020-11-2712 | 53.69 | 48.2855 | 3.1129.97 | 10151.5 | 0.06
2020-11-2810 | 50.03 | 37.46211 | 6.8429.91 | 10130.1 | 0.0
2020-11-297 | 44.6-0 | 32.06013 | 8.0830.09 | 10190.0 | 0.0
2020-11-3010 | 50.07 | 44.68217 | 10.5629.97 | 10155.5 | 0.22

Dorchester 3 Year Historical Weather Data

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