Temperature Data | Precipitation Data | Detailed Data

Annual Climatology: Boston, MA (BOS)

Elev: 20 ft    Lat: 42o 22'N    Long: 71o 01'W

Boston English Units

Figure 1: Average Temperatures and Precipitation 1971-2000. (NCDC Data)

 

 


Temperature Data (oF) :

Month

Daily Max

Daily Min

Mean

Maximum Daily Temperature

Minimum Daily Temperature

January

36.5

22.1

29.3

72

-12

February

38.7

24.2

31.5

70

-18

March

46.3

31.5

38.9

89

1

April

56.1

40.5

48.3

94

13

May

66.7

50.2

58.5

96

34

June

77.6

59.4

68.0

100

41

July

82.2

65.5

73.9

103

50

August

80.1

64.5

72.3

102

46

September

72.5

56.8

64.7

100

37

October

61.8

46.4

54.1

90

25

November

51.8

37.9

44.9

83

8

December

41.7

27.8

34.8

76

-17

Annual

59.3

43.9

51.6

103

-18

 

Precipitation Data (in):

Month

Mean

Median

Extreme

Year

Snow*

January

3.92

3.33

10.55

1979

13.3

February

3.30

2.91

7.81

1984

11.3

March

3.85

3.47

9.72

1983

8.0

April

3.60

3.44

9.46

1987

1.1

May

3.24

2.87

8.77

1984

0.0

June

3.22

2.20

13.20

1982

0.0

July

3.06

2.57

7.62

1988

0.0

August

3.37

2.97

7.99

1976

0.0

September

3.47

3.02

9.86

1999

0.0

October

3.79

3.35

10.66

1996

0.0

November

3.98

3.78

8.89

1983

1.4

December

3.73

3.28

8.26

1992

6.7

Annual

42.53

43.47

 

 

41.8

* Snowfall totals represent mean snowfall 1971-2000


 
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