Boston, Massachusetts, United States Climate

Weather: 11.19°C/52.14°F, Wind SW at 5.14 km/h, 68% Humidity, 0.62% Chance of rain

United States
(Photo by Andrea Davis on Unsplash)
Contents

Boston Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Boston has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 12.79ºC (55.02ºF) and it is 0.15% higher than United States’s averages. Boston typically receives about 36.1 millimeters (1.42 inches) of precipitation and has 38.27 rainy days (10.48% of the time) annually.

CountryUnited States
CityMassachusetts
Longitude-71.0588801
Latitude42.3600825
Attitude/ElevationNonem (0ft)
Local timeThursday 00:12
Annual high temperature15.41ºC (59.74ºF)
Annual low temperature8.3ºC (46.94ºF)
Average annual precip.36.1mm (1.42in)
Warmest monthJuly (30.42ºC / 86.76ºF)
Coldest MonthJanuary (-3.94ºC / 24.91ºF)
Wettest MonthDecember (53.39mm / 2.1in)
Driest MonthSeptember (19.35mm / 0.76in)
Number of days with rainfall (≥ 1.0 mm)38.27 days (10.48%)
Days with no rain326.73 days (89.52%)
Humidity65.34%

Climate Boston: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)18.0(64.4)20.0(68.0)19.0(66.2)23.0(73.4)33.0(91.4)35.0(95.0)40.0(104.0)38.0(100.4)36.0(96.8)29.0(84.2)22.0(71.6)17.0(62.6)40.0(104.0)
Average high °C (°F)2.28(36.1)4.54(40.17)6.7(44.06)12.09(53.76)19.77(67.59)25.46(77.83)30.42(86.76)28.78(83.8)24.07(75.33)16.69(62.04)9.63(49.33)4.54(40.17)15.41(59.74)
Daily mean °C (°F)-0.01(31.98)2.16(35.89)4.2(39.56)9.49(49.08)16.77(62.19)22.56(72.61)27.34(81.21)25.91(78.64)21.14(70.05)14.2(57.56)7.23(45.01)2.47(36.45)12.79(55.02)
Average low °C (°F)-3.94(24.91)-1.79(28.78)0.19(32.34)4.91(40.84)11.16(52.09)16.98(62.56)21.71(71.08)20.97(69.75)16.78(62.2)10.19(50.34)3.46(38.23)-0.98(30.24)8.3(46.94)
Record low °C (°F)-20.0(-4.0)-12.0(10.4)-12.0(10.4)-2.0(28.4)3.0(37.4)10.0(50.0)17.0(62.6)12.0(53.6)7.0(44.6)-2.0(28.4)-10.0(14.0)-11.0(12.2)-20.0(-4.0)
Average precipitation mm (inches)37.89(1.49)32.88(1.29)45.07(1.77)45.45(1.79)28.27(1.11)24.75(0.97)31.78(1.25)26.08(1.03)19.35(0.76)42.65(1.68)45.63(1.8)53.39(2.1)36.1(1.42)
Average precipitation days (≥ 1.0 mm)2.553.453.184.04.02.913.643.092.273.093.362.733.19
Average relative humidity (%)67.2267.1167.8162.8663.1861.962.163.4364.767.5665.9270.2365.34
Mean monthly sunshine hours6.78.468.710.212.513.2113.5412.4410.337.856.556.599.76

Climate Graph

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

Boston

Boston Temperature by Month

July
27.34°C | 81.21°F
August
25.91°C | 78.64°F
June
22.56°C | 72.61°F
September
21.14°C | 70.05°F
May
16.77°C | 62.19°F
October
14.2°C | 57.56°F
April
9.49°C | 49.08°F
November
7.23°C | 45.01°F
March
4.2°C | 39.56°F
December
2.47°C | 36.45°F
February
2.16°C | 35.89°F
January
-0.01°C | 31.98°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)6.64°C (43.95°F)-4.0°C (24.8°F)
Avg Temperature17.0°C (62.6°F)4.11°C (39.4°F)-6.0°C (21.2°F)
Min Temperature12.0°C (53.6°F)-0.18°C (31.68°F)-12.0°C (10.4°F)
Dew PointMaxAverageMin
Dew Point12.0°C (53.6°F)-1.82°C (28.72°F)-14.0°C (6.8°F)
PrecipitationMaxAverageMinSum
Precipitation22.6mm | 0.89in5.03mm | 0.2in0.0mm | 0in140.8mm | 5.54in
Snowdepth8.2mm | 0.32in0.59mm | 0.02in0.0mm | 0in16.5mm | 0.65in
WindMaxAverageMin
Wind18.0kmh | 11.18mph11.54kmh | 7.17mph7.0kmh | 4.35mph
Gust Wind26.0kmh | 16.16mph16.96kmh | 10.54mph9.0kmh | 5.59mph
Sea Level PressureMaxAverageMin
Sea Level Pressure22.6mb5.03mb0.0mb
Boston

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
February° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-02-012 | 35.6-3 | 26.67512 | 7.4629.97 | 10151.0 | 0.04
2018-02-02-4 | 24.8-8 | 17.67318 | 11.1829.91 | 10136.9 | 0.27
2018-02-03-6 | 21.2-14 | 6.86113 | 8.0830.36 | 10280.0 | 0.0
2018-02-043 | 37.4-1 | 30.28312 | 7.4630.15 | 10216.4 | 0.25
2018-02-052 | 35.6-4 | 24.86915 | 9.3229.85 | 101117.9 | 0.7
2018-02-06-0 | 32.0-12 | 10.4457 | 4.3530.36 | 10280.0 | 0.0
2018-02-071 | 33.8-4 | 24.8789 | 5.5930.27 | 102522.6 | 0.89
2018-02-08-3 | 26.6-8 | 17.66914 | 8.730.24 | 10245.6 | 0.22
2018-02-09-3 | 26.6-9 | 15.86410 | 6.2130.5 | 10330.2 | 0.01
2018-02-106 | 42.83 | 37.49110 | 6.2130.24 | 10242.9 | 0.11
2018-02-115 | 41.05 | 41.0967 | 4.3530.03 | 101719.1 | 0.75
2018-02-124 | 39.2-0 | 32.07012 | 7.4630.24 | 10240.2 | 0.01
2018-02-13-1 | 30.2-13 | 8.64411 | 6.8430.74 | 10410.0 | 0.0
2018-02-146 | 42.8-1 | 30.27411 | 6.8430.24 | 10240.0 | 0.0
2018-02-157 | 44.65 | 41.0919 | 5.5929.83 | 10101.8 | 0.07
2018-02-169 | 48.24 | 39.27912 | 7.4629.68 | 10053.3 | 0.13
2018-02-171 | 33.8-10 | 14.04813 | 8.0830.3 | 10261.1 | 0.04
2018-02-184 | 39.2-0 | 32.08010 | 6.2130.21 | 102313.1 | 0.52
2018-02-196 | 42.81 | 33.87813 | 8.0830.47 | 10323.4 | 0.13
2018-02-2014 | 57.210 | 50.08614 | 8.730.27 | 10252.9 | 0.11
2018-02-2117 | 62.612 | 53.68015 | 9.3230.24 | 10240.0 | 0.0
2018-02-224 | 39.2-2 | 28.4669 | 5.5930.62 | 10377.5 | 0.3
2018-02-233 | 37.4-1 | 30.2779 | 5.5930.53 | 10341.9 | 0.07
2018-02-249 | 48.23 | 37.47411 | 6.8430.12 | 10201.9 | 0.07
2018-02-254 | 39.21 | 33.88513 | 8.0830.15 | 102121.1 | 0.83
2018-02-267 | 44.6-0 | 32.06711 | 6.8430.09 | 10190.0 | 0.0
2018-02-278 | 46.4-4 | 24.84910 | 6.2130.27 | 10250.0 | 0.0
2018-02-2810 | 50.0-1 | 30.25213 | 8.0830.0 | 10160.0 | 0.0

Boston 3 Year Historical Weather Data

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