Braintree, Massachusetts
Environment

Braintree, Massachusetts

Section Title: Environment
Table Section Text: None

Climate data for Blue Hills Reservation (Blue Hill Meteorological Observatory), 1891−2010 normals, extremes 1885−present

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year

Record high °F (°C)	68 (20)	68 (20)	89 (32)	94 (34)	94 (34)	99 (37)	100 (38)	101 (38)	99 (37)	88 (31)	81 (27)	74 (23)	101 (38)

Average high °F (°C)	33.6 (0.9)	34.8 (1.6)	43.4 (6.3)	54.9 (12.7)	66.3 (19.1)	74.6 (23.7)	80.0 (26.7)	77.9 (25.5)	70.9 (21.6)	60.5 (15.8)	48.8 (9.3)	37.4 (3.0)	56.9 (13.8)

Daily mean °F (°C)	25.7 (−3.5)	26.4 (−3.1)	34.4 (1.3)	44.7 (7.1)	55.3 (12.9)	64.1 (17.8)	69.7 (20.9)	68.1 (20.1)	61.2 (16.2)	51.1 (10.6)	40.6 (4.8)	29.8 (−1.2)	47.6 (8.7)

Average low °F (°C)	18.4 (−7.6)	18.9 (−7.3)	27.0 (−2.8)	36.5 (2.5)	46.4 (8.0)	55.4 (13.0)	61.5 (16.4)	60.3 (15.7)	53.6 (12.0)	43.4 (6.3)	33.7 (0.9)	22.9 (−5.1)	39.8 (4.3)

Record low °F (°C)	−16 (−27)	−21 (−29)	−5 (−21)	6 (−14)	27 (−3)	36 (2)	44 (7)	39 (4)	28 (−2)	21 (−6)	5 (−15)	−19 (−28)	−21 (−29)

Average precipitation inches (mm)	4.24 (108)	3.95 (100)	4.61 (117)	4.06 (103)	3.70 (94)	3.69 (94)	3.64 (92)	4.08 (104)	3.94 (100)	3.97 (101)	4.36 (111)	4.39 (112)	48.63 (1,236)

Average snowfall inches (cm)	16.0 (41)	16.1 (41)	11.7 (30)	2.9 (7.4)	0.1 (0.25)	0.0 (0.0)	0.0 (0.0)	0.0 (0.0)	0.0 (0.0)	0.3 (0.76)	2.6 (6.6)	11.4 (29)	61.1 (156.01)

Mean monthly sunshine hours	132.1	146.7	174.0	185.6	220.2	231.8	258.1	242.5	204.1	182.1	133.3	125.9	2,236.4

Percent possible sunshine	46.3	50.9	48.5	47.9	50.4	52.7	58.0	58.7	56.7	55.1	47.0	45.9	51.5

Source: Blue Hill Observatory & Science Center

Sentence(s)

January with a mean of 25.7 °F (−3.5 °C).

final_sentence: January with a mean of 25.7 °F (−3.5 °C).