Mattapan, Massachusetts, United States Climate

Weather: 3.18°C/37.72°F, Wind SW at 5.66 km/h, 42% Humidity, 0% Chance of rain

United States
(Photo by Andrea Davis on Unsplash)

Mattapan Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Mattapan has a Humid continental, no dry season, hot summer climate (Classification: Dfa). The district’s yearly temperature is 12.42ºC (54.36ºF) and it is -0.22% lower than United States’s averages. Mattapan typically receives about 38.08 millimeters (1.5 inches) of precipitation and has 39.52 rainy days (10.83% of the time) annually.

CountryUnited States
CityMassachusetts
Longitude-71.0913748
Latitude42.2771417
Attitude/ElevationNonem (0ft)
Local timeSaturday 21:47
Annual high temperature14.88ºC (58.78ºF)
Annual low temperature8.01ºC (46.42ºF)
Average annual precip.38.08mm (1.5in)
Warmest monthJuly (29.68ºC / 85.42ºF)
Coldest MonthJanuary (-4.66ºC / 23.61ºF)
Wettest MonthDecember (55.28mm / 2.18in)
Driest MonthSeptember (23.15mm / 0.91in)
Number of days with rainfall (≥ 1.0 mm)39.52 days (10.83%)
Days with no rain325.48 days (89.17%)
Humidity68.63%

Climate Mattapan: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)17.0(62.6)19.0(66.2)18.0(64.4)22.0(71.6)33.0(91.4)35.0(95.0)39.0(102.2)37.0(98.6)35.0(95.0)28.0(82.4)22.0(71.6)17.0(62.6)39.0(102.2)
Average high °C (°F)1.86(35.35)4.24(39.63)6.35(43.43)11.64(52.95)19.16(66.49)24.82(76.68)29.68(85.42)28.01(82.42)23.31(73.96)16.2(61.16)9.17(48.51)4.17(39.51)14.88(58.78)
Daily mean °C (°F)-0.23(31.59)1.86(35.35)4.0(39.2)9.14(48.45)16.4(61.52)21.98(71.56)26.62(79.92)25.35(77.63)20.83(69.49)13.94(57.09)6.87(44.37)2.23(36.01)12.42(54.36)
Average low °C (°F)-4.66(23.61)-1.88(28.62)0.09(32.16)4.39(39.9)11.29(52.32)16.84(62.31)21.59(70.86)20.7(69.26)16.64(61.95)9.94(49.89)2.82(37.08)-1.63(29.07)8.01(46.42)
Record low °C (°F)-20.0(-4.0)-21.0(-5.8)-12.0(10.4)-3.0(26.6)2.0(35.6)9.0(48.2)16.0(60.8)12.0(53.6)7.0(44.6)-3.0(26.6)-9.0(15.8)-11.0(12.2)-21.0(-5.8)
Average precipitation mm (inches)38.95(1.53)35.71(1.41)45.71(1.8)44.51(1.75)27.26(1.07)26.37(1.04)34.48(1.36)34.75(1.37)23.15(0.91)43.88(1.73)46.89(1.85)55.28(2.18)38.08(1.5)
Average precipitation days (≥ 1.0 mm)2.453.453.274.184.03.273.823.452.363.273.362.643.29
Average relative humidity (%)68.2268.7369.4766.2166.8666.4467.1368.3569.1771.4169.3372.2968.63
Mean monthly sunshine hours6.728.558.7810.2212.4713.1413.5412.4810.537.916.686.749.81

Climate Graph

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

Mattapan

Mattapan Temperature by Month

July
26.62°C | 79.92°F
August
25.35°C | 77.63°F
June
21.98°C | 71.56°F
September
20.83°C | 69.49°F
May
16.4°C | 61.52°F
October
13.94°C | 57.09°F
April
9.14°C | 48.45°F
November
6.87°C | 44.37°F
March
4.0°C | 39.2°F
December
2.23°C | 36.01°F
February
1.86°C | 35.35°F
January
-0.23°C | 31.59°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature22.0°C (71.6°F)14.13°C (57.43°F)6.0°C (42.8°F)
Avg Temperature19.0°C (66.2°F)11.33°C (52.39°F)5.0°C (41.0°F)
Min Temperature18.0°C (64.4°F)7.23°C (45.01°F)-0.0°C (0°F)
Dew PointMaxAverageMin
Dew Point17.0°C (62.6°F)3.7°C (38.66°F)-10.0°C (14.0°F)
PrecipitationMaxAverageMinSum
Precipitation29.0mm | 1.14in4.75mm | 0.19in0.0mm | 0in142.4mm | 5.61in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind24.0kmh | 14.91mph13.63kmh | 8.47mph6.0kmh | 3.73mph
Gust Wind41.0kmh | 25.48mph18.23kmh | 11.33mph7.0kmh | 4.35mph
Sea Level PressureMaxAverageMin
Sea Level Pressure29.0mb4.75mb0.0mb
Mattapan

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
April° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2019-04-015 | 41.0-8 | 17.64520 | 12.4330.09 | 10190.0 | 0.0
2019-04-027 | 44.6-6 | 21.24611 | 6.8430.39 | 10290.0 | 0.0
2019-04-0310 | 50.01 | 33.86319 | 11.8129.94 | 101412.1 | 0.48
2019-04-046 | 42.8-10 | 14.03522 | 13.6730.33 | 10270.0 | 0.0
2019-04-055 | 41.0-9 | 15.84410 | 6.2130.45 | 10312.5 | 0.1
2019-04-0613 | 55.46 | 42.87511 | 6.8430.18 | 10225.3 | 0.21
2019-04-0714 | 57.25 | 41.0657 | 4.3530.21 | 10230.0 | 0.0
2019-04-087 | 44.66 | 42.8866 | 3.7329.91 | 10133.7 | 0.15
2019-04-095 | 41.02 | 35.6848 | 4.9729.74 | 10072.0 | 0.08
2019-04-107 | 44.6-2 | 28.46214 | 8.729.83 | 10100.5 | 0.02
2019-04-119 | 48.2-6 | 21.24210 | 6.2130.21 | 10230.0 | 0.0
2019-04-128 | 46.43 | 37.46910 | 6.2130.3 | 10260.1 | 0.0
2019-04-1317 | 62.614 | 57.28517 | 10.5630.03 | 101729.0 | 1.14
2019-04-1417 | 62.610 | 50.0739 | 5.5929.88 | 10120.7 | 0.03
2019-04-1515 | 59.010 | 50.07622 | 13.6729.41 | 99616.6 | 0.65
2019-04-1611 | 51.8-3 | 26.64424 | 14.9129.85 | 10110.0 | 0.0
2019-04-1713 | 55.4-0 | 32.04710 | 6.2130.15 | 10210.0 | 0.0
2019-04-189 | 48.24 | 39.27015 | 9.3230.18 | 10221.0 | 0.04
2019-04-1919 | 66.214 | 57.28023 | 14.2929.85 | 10110.6 | 0.02
2019-04-2019 | 66.217 | 62.68822 | 13.6729.88 | 101215.6 | 0.61
2019-04-2116 | 60.814 | 57.2869 | 5.5930.03 | 10176.3 | 0.25
2019-04-2212 | 53.610 | 50.08913 | 8.0830.03 | 101716.9 | 0.67
2019-04-2313 | 55.49 | 48.28211 | 6.8429.91 | 10132.5 | 0.1
2019-04-2415 | 59.07 | 44.66615 | 9.3229.77 | 10080.6 | 0.02
2019-04-2516 | 60.85 | 41.0589 | 5.5929.94 | 10140.0 | 0.0
2019-04-269 | 48.28 | 46.49012 | 7.4629.77 | 100811.8 | 0.46
2019-04-2710 | 50.04 | 39.26720 | 12.4329.5 | 9997.8 | 0.31
2019-04-2810 | 50.02 | 35.66414 | 8.730.0 | 10161.5 | 0.06
2019-04-2912 | 53.6-1 | 30.24810 | 6.2130.33 | 10270.1 | 0.0
2019-04-3011 | 51.85 | 41.0696 | 3.7330.27 | 10255.2 | 0.2

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