South Boston, Massachusetts, United States Climate
Weather: 7.64°C/45.75°F, Wind SW at 3.6 km/h, 89% Humidity, 2.27% Chance of rain
(Photo by Pascal Bernardon on Unsplash)
South Boston Climate Summary
Located at an elevation of 7.31 meters (23.98 feet) above sea level, South 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. South Boston typically receives about 36.1 millimeters (1.42 inches) of precipitation and has 38.27 rainy days (10.48% of the time) annually.
Country | United States |
City | Massachusetts |
Longitude | -71.0475773 |
Latitude | 42.3381437 |
Attitude/Elevation | 7.31m (23.98ft) |
Local time | Thursday 16:16 |
Annual high temperature | 15.41ºC (59.74ºF) |
Annual low temperature | 8.3ºC (46.94ºF) |
Average annual precip. | 36.1mm (1.42in) |
Warmest month | July (30.42ºC / 86.76ºF) |
Coldest Month | January (-3.94ºC / 24.91ºF) |
Wettest Month | December (53.39mm / 2.1in) |
Driest Month | September (19.35mm / 0.76in) |
Number of days with rainfall (≥ 1.0 mm) | 38.27 days (10.48%) |
Days with no rain | 326.73 days (89.52%) |
Humidity | 65.34% |
Climate South Boston: Weather By Month
Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Nov | Oct | Dec | Year |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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) | 2.55 | 3.45 | 3.18 | 4.0 | 4.0 | 2.91 | 3.64 | 3.09 | 2.27 | 3.09 | 3.36 | 2.73 | 3.19 |
Average relative humidity (%) | 67.22 | 67.11 | 67.81 | 62.86 | 63.18 | 61.9 | 62.1 | 63.43 | 64.7 | 67.56 | 65.92 | 70.23 | 65.34 |
Mean monthly sunshine hours | 6.7 | 8.46 | 8.7 | 10.2 | 12.49 | 13.21 | 13.54 | 12.44 | 10.33 | 7.85 | 6.55 | 6.59 | 9.76 |
Climate Graph
The chart below shows the mean monthly temperature and precipitation of South Boston in recent years.
South 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
Temperature | Max | Average | Min | |
---|---|---|---|---|
Max Temperature | 36.0°C (96.8°F) | 29.29°C (84.72°F) | 21.0°C (69.8°F) | |
Avg Temperature | 32.0°C (89.6°F) | 26.58°C (79.84°F) | 20.0°C (68.0°F) | |
Min Temperature | 27.0°C (80.6°F) | 22.32°C (72.18°F) | 18.0°C (64.4°F) | |
Dew Point | Max | Average | Min | |
Dew Point | 21.0°C (69.8°F) | 17.58°C (63.64°F) | 13.0°C (55.4°F) | |
Precipitation | Max | Average | Min | Sum |
Precipitation | 9.6mm | 0.38in | 1.52mm | 0.06in | 0.0mm | 0in | 47.2mm | 1.86in |
Snowdepth | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in | 0.0mm | 0in |
Wind | Max | Average | Min | |
Wind | 21.0kmh | 13.05mph | 12.0kmh | 7.46mph | 6.0kmh | 3.73mph | |
Gust Wind | 30.0kmh | 18.64mph | 16.1kmh | 10.0mph | 8.0kmh | 4.97mph | |
Sea Level Pressure | Max | Average | Min | |
Sea Level Pressure | 9.6mb | 1.52mb | 0.0mb |
Daily Observations
Time | Temperature | Dew Point | Humidity | Wind Speed | Pressure | Precipitation |
---|---|---|---|---|---|---|
July | ° C | ° F | ° C | ° F | % | Kph | Mph | Hg | Mb | Total (mm/in) |
2020-07-01 | 22 | 71.6 | 18 | 64.4 | 80 | 8 | 4.97 | 29.85 | 1011 | 1.1 | 0.04 |
2020-07-02 | 27 | 80.6 | 18 | 64.4 | 66 | 6 | 3.73 | 29.8 | 1009 | 0.2 | 0.01 |
2020-07-03 | 20 | 68.0 | 17 | 62.6 | 78 | 15 | 9.32 | 29.85 | 1011 | 0.0 | 0.0 |
2020-07-04 | 22 | 71.6 | 17 | 62.6 | 78 | 12 | 7.46 | 29.91 | 1013 | 0.1 | 0.0 |
2020-07-05 | 27 | 80.6 | 18 | 64.4 | 66 | 8 | 4.97 | 29.91 | 1013 | 0.5 | 0.02 |
2020-07-06 | 25 | 77.0 | 13 | 55.4 | 50 | 12 | 7.46 | 29.97 | 1015 | 0.2 | 0.01 |
2020-07-07 | 23 | 73.4 | 16 | 60.8 | 69 | 13 | 8.08 | 30.09 | 1019 | 0.1 | 0.0 |
2020-07-08 | 27 | 80.6 | 19 | 66.2 | 71 | 15 | 9.32 | 30.0 | 1016 | 0.7 | 0.03 |
2020-07-09 | 28 | 82.4 | 20 | 68.0 | 70 | 13 | 8.08 | 30.0 | 1016 | 2.4 | 0.09 |
2020-07-10 | 25 | 77.0 | 21 | 69.8 | 79 | 12 | 7.46 | 30.0 | 1016 | 7.0 | 0.28 |
2020-07-11 | 29 | 84.2 | 21 | 69.8 | 72 | 21 | 13.05 | 29.8 | 1009 | 2.1 | 0.08 |
2020-07-12 | 29 | 84.2 | 19 | 66.2 | 60 | 18 | 11.18 | 29.68 | 1005 | 0.0 | 0.0 |
2020-07-13 | 27 | 80.6 | 17 | 62.6 | 58 | 12 | 7.46 | 29.77 | 1008 | 1.4 | 0.06 |
2020-07-14 | 22 | 71.6 | 18 | 64.4 | 80 | 12 | 7.46 | 29.85 | 1011 | 9.6 | 0.38 |
2020-07-15 | 21 | 69.8 | 16 | 60.8 | 78 | 13 | 8.08 | 30.09 | 1019 | 0.2 | 0.01 |
2020-07-16 | 22 | 71.6 | 14 | 57.2 | 67 | 10 | 6.21 | 30.27 | 1025 | 0.0 | 0.0 |
2020-07-17 | 22 | 71.6 | 17 | 62.6 | 76 | 14 | 8.7 | 30.15 | 1021 | 0.8 | 0.03 |
2020-07-18 | 29 | 84.2 | 18 | 64.4 | 66 | 7 | 4.35 | 30.0 | 1016 | 0.0 | 0.0 |
2020-07-19 | 31 | 87.8 | 17 | 62.6 | 48 | 12 | 7.46 | 29.91 | 1013 | 0.0 | 0.0 |
2020-07-20 | 31 | 87.8 | 18 | 64.4 | 51 | 17 | 10.56 | 29.83 | 1010 | 0.0 | 0.0 |
2020-07-21 | 29 | 84.2 | 16 | 60.8 | 48 | 10 | 6.21 | 29.94 | 1014 | 0.0 | 0.0 |
2020-07-22 | 23 | 73.4 | 19 | 66.2 | 78 | 9 | 5.59 | 30.03 | 1017 | 5.6 | 0.22 |
2020-07-23 | 29 | 84.2 | 20 | 68.0 | 65 | 11 | 6.84 | 29.94 | 1014 | 4.3 | 0.17 |
2020-07-24 | 24 | 75.2 | 19 | 66.2 | 79 | 10 | 6.21 | 30.03 | 1017 | 6.9 | 0.27 |
2020-07-25 | 29 | 84.2 | 17 | 62.6 | 57 | 8 | 4.97 | 30.03 | 1017 | 0.0 | 0.0 |
2020-07-26 | 30 | 86.0 | 16 | 60.8 | 51 | 15 | 9.32 | 29.91 | 1013 | 0.0 | 0.0 |
2020-07-27 | 32 | 89.6 | 19 | 66.2 | 53 | 15 | 9.32 | 29.77 | 1008 | 0.0 | 0.0 |
2020-07-28 | 32 | 89.6 | 20 | 68.0 | 55 | 14 | 8.7 | 29.74 | 1007 | 2.3 | 0.09 |
2020-07-29 | 31 | 87.8 | 18 | 64.4 | 50 | 8 | 4.97 | 29.83 | 1010 | 1.7 | 0.07 |
2020-07-30 | 28 | 82.4 | 14 | 57.2 | 46 | 14 | 8.7 | 29.85 | 1011 | 0.0 | 0.0 |
2020-07-31 | 28 | 82.4 | 15 | 59.0 | 47 | 8 | 4.97 | 29.8 | 1009 | 0.0 | 0.0 |
South Boston 3 Year Historical Weather Data
Nearby locations
- Back Bay 3.06 km ( 1.90 mi)
- Roxbury 4.42 km ( 2.75 mi)
- Chelsea 6.08 km ( 3.78 mi)
- Brookline 6.11 km ( 3.79 mi)
- Somerville 6.96 km ( 4.33 mi)
- Everett 7.82 km ( 4.86 mi)
- Revere 8.34 km ( 5.18 mi)
- Roslindale 8.95 km ( 5.56 mi)
- Brighton 9.53 km ( 5.92 mi)
- Milton 9.96 km ( 6.19 mi)
- Medford 10.14 km ( 6.30 mi)
- Hyde Park 11.04 km ( 6.86 mi)
- West Roxbury 11.49 km ( 7.14 mi)
- Watertown 11.72 km ( 7.28 mi)
- Hull 12.20 km ( 7.58 mi)
- Arlington 12.41 km ( 7.71 mi)
- Dedham 14.43 km ( 8.97 mi)
- Braintree 14.91 km ( 9.26 mi)
- Waltham 16.07 km ( 9.98 mi)
- Lynn 16.41 km ( 10.20 mi)
- Needham 16.92 km ( 10.51 mi)
- Swampscott 18.23 km ( 11.32 mi)
- Lexington 19.13 km ( 11.88 mi)
- Randolph 19.57 km ( 12.16 mi)
- Holbrook 21.65 km ( 13.45 mi)
- Maynard 34.75 km ( 21.59 mi)
- Lawrence 42.06 km ( 26.14 mi)
- Gloucester 44.24 km ( 27.49 mi)
- Attleboro 47.94 km ( 29.79 mi)
- Newburyport 54.53 km ( 33.88 mi)
- Amesbury 58.59 km ( 36.41 mi)
- Barnstable 94.08 km ( 58.46 mi)
- South Yarmouth 103.30 km ( 64.19 mi)
- Palmer 107.59 km ( 66.86 mi)
- Chicopee 130.48 km ( 81.08 mi)
- Greenfield 130.61 km ( 81.16 mi)
- Northampton 131.35 km ( 81.62 mi)
- Easthampton 133.93 km ( 83.22 mi)
- Westfield 142.47 km ( 88.53 mi)
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