Walpole Climatological Data


Precipitation (inches) per year

1900 to Present

Monthly Temperature & Precipitation

1949 to Present

Snowfall in inches

1950 to Present

Average Monthly Temperature

1989 to Present


 

Precipitation (in inches) per year

Decade 0 1 2 3 4 5 6 7 8 9
1900/09 NA NA 33.36 36.01 36.08 29.23 41.45 37.56 40.00 44.21
1910/19 36.82 41.78 39.09 42.09 34.59 43.52 40.75 39.73 39.24 46.37
1920/29 48.29 48.76 46.01 36.56 39.02 41.49 42.93 43.45 39.65 42.74
1930/39 36.21 45.33 46.74 50.27 41.34 40.35 53.25 45.42 56.28 37.67
1940/49 40.06 32.38 44.03 34.13 41.13 51.07 40.34 44.23 46.47 33.79
1950/59 41.98 51.29 39.19 61.61 57.10 62.57 50.68 29.83 54.35 48.76
1960/69 49.81 49.49 50.98 41.60 39.61 28.09 36.36 47.14 43.10 49.73
1970/79 41.13 34.66 62.60 51.26 48.11 55.07 43.77 54.85 42.41 55.48
1980/89 29.37 41.77 46.13 58.44 53.32 35.86 47.76 46.33 44.21 50.74
1990/99 52.94 47.11 45.87 41.03 46.18 38.16 60.04 36.78 60.82 48.13
2000/09 48.17 42.90 48.57 54.46 47.63

59.34

55.60

43.51

58.69  52.83
2010/19 56.87 61.90 45.30 46.72 47.88 37.68 -- -- -- --

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Temperature (degrees F) & Precipitation - by Month - From 1949-2013

Month Avg. High Avg. Low Extreme High Extreme Low Max. Snowfall Avg. Precip. Max. Precip.
January 35.9 17.3 69 (1/25/50) -19* 41.0" (2005) 3.93" 11.76" (1979)
February 38.3 18.7 70* -19* 54.6" (2015) 3.72" 8.17" (2008)
March 46 26.7 90 (3/31/98) -13 (3/19/67) 43.8" (1956) 4.12" 10.62" (2001)
April 58.1 35.7 96 (4/19/76) 10 (4/4/54) 26.8" (1997) 3.92" 11.75" (1987)
May 69.1 45 95 (5/30/87) 22 (5/3/66)

8.2"

(1977)

3.36" 8.15" (2006)
June 77.3 54.5 97 (6/15/88) 33 (6/6/64) 0 2.96" 12.98" (1998)
July 82.4 60.3 101 (7/21/77) 39 (7/7/65) 0 3.20" 10.73" (1988)
August 80.2 58.7 102 (8/2/75) 32 (8/31/65) 0 3.98" 20.48" (1955)
September 72.2 50.6 100 (9/2/53) 26* 0 3.77" 8.88" (1954)
October 62.4 40.3 88 (10/12/54) 15 (10/31/66)

2.8"

 (1979)

3.66"

14.11"

(2005)

November 51.2 32.3 82 (11/2/50) 4 (11/24/89) 12.3" (1986) 4.66" 9.10" (1983)
December 39.5 21.7 76 (12/7/98) -14 (12/26/80) 29.4" (2003) 4.24" 11.16" (1969)

* recorded on multiple dates in different years


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snowing_md_wht.gif (8155 bytes)

Snowfall in inches

snowing_md_wht.gif (8155 bytes)

Decade 0 1 2 3 4 5 6 7 8 9
1950/59 NA 32.1 NA 31.6 42.5 NA 101.8 48.0 71.6 37.2
1960/69 71.9 77.0 49.8 53.4 56.2 38.6 72.1 88.6 38.9 74.6
1970/79 65.5 40.3 53.8 10.4 38.6 52.7 48.4 61.1 95.1 23.6
1980/89 22.2 48.7 52.0 42.5 48.9 32.6 35.5 70.7 42.1 30.0
1990/99 42.5 24.0 32.0 65.1 69.1 39.6 101.1 67.0 14.7 48.4
2000/09 37.9 68.3 44.0

93.1

45.6 98.8 32.9 49.3 47.0  68.1
2010/19 48.7 37.7 29.0 78.3 57.2 92.6 -- -- -- --

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Average Temperature by Month 1989-2013

 1  =   Warmest [month] of record for Walpole    2  =   Coldest [month] of record for Walpole


[more stats below]

Month

2010 2011 2012 2013 2014 2015 2016 2017 2018  
January 27.4 24.1 32.4 30.2 25.7 24.4 30.3 -- --  
February 31.1 28.5 35.81 30.3 26.5 17.0 32.9 -- --  
March 42.9 38.0 46.01 36.7 32.9 32.4 42.9 -- --  
April 52.5 50.0 51.4 49.3 48.5 48.1 47.5 -- --  
May 62.9 60.0 61.8 59.7 59.3 63.9 59.4 -- --  
June 70.3 66.8 66.2 68.7 67.8 65.7 68.5 -- --  
July 76.3 75.3 75.0 77.0 73.6 73.6 75.3 -- --  
August 72.3 71.8 74.1 70.1 69.4 73.8 -- -- --  
September 66.8 66.6 64.0 63.2 64.8 68.5 -- -- --  
October 52.9 53.7 54.9 53.0 54.8 52.1 -- -- --  
November 42.1 47.51 39.5 40.8 40.2 45.7 -- -- --  
December 30.0 37.3 36.3 31.3 36.5 43.6 -- -- --  

Ave. Annual

52.3 51.6 53.1 51.0 50.1 50.9 -- -- -- --
1  =   Warmest [month] of record for Walpole    2  =   Coldest [month] of record for Walpole

Month

2000 2001 2002 2003 2004 2005 2006 2007 2008 2009
January 26.7 27.4 34.41 22.2 20.3 25.3

35.1

32.1

30.6

22.3
February 33.4 30.5 35.0 25.4 30.7 29.8

30.3

25.4 30.8 32.1
March 43.31 34.7 39.7 37.5 38.6 33.4 37.9 37.3 37.8 38.0
April 46.8 48.8 51.1 44.7 49.3 50.6 49.8 45.4 50.0 50.9
May 58.4 60.3 57.1 55.4

60.4

52.6 56.9 60.2

56.3

60.1
June 67.2 70.3 66.0 69.9 66.5 69.9 67.7 67.4 69.4 63.4 
July 69.1 69.4 73.6 73.4 70.9 73.4 75.4 72.6 74.8 69.2
August 69.0 73.7 73.7 73.5 71.3 74.71 70.1 71.8 68.6 72.7
September 62.4 64.5 66.2 64.9 64.5 66.5

62.2

65.6 63.5 61.7
October 51.9 54.8 49.7 50.4 52.0

54.0

51.9

58.01 51.0  50.0
November 41.6 46.3 40.8 44.0 42.0 45.0 47.4 40.0 41.1  46.7
December 27.6 37.9 30.6 33.9 32.9 30.1

38.91

29.6 34.5  30.6

Ave. Annual

49.8 51.6 51.6 49.4 50.0 50.5

52.1

50.5 50.8 49.9

 1  =   Warmest [month] of record for Walpole    2  =   Coldest [month] of record for Walpole

Month

1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
January 31.7 34.2 27.0 29.1 29.2 20.3 33.2 27.7 27.9 32.8 28.7
February 28.6 33.0 33.3 30.7 23.9 24.9 26.9 28.5 35.71 35.4 33.3
March 36.1 39.2 40.1 34.4 33.8 36.5 38.7 34.3 36.4 40.6 39.0
April 45.3 47.3 51.0 45.1 47.7 50.8 46.4 48.2 45.6 49.0 49.1
May 59.9 54.5 63.31 56.6 60.4 56.7 56.5 57.0 55.4 60.9 59.4
June 67.4 66.5 67.4 66.6 67.6 70.3 67.7 67.9 67.4 65.5 70.51
July 71.2 71.9 72.2 69.0 72.5 76.51 74.8 71.1 72.2 72.8 75.3
August 70.4 71.2 72.2 68.9 72.8 69.5 71.0 71.0 69.7 72.3 71.4
September 62.8 62.0 60.8 61.7 63.4 61.7 61.4 62.5 63.0 65.3 66.61
October 51.9 55.9 54.1 49.4 49.9 51.5 55.3 51.0 50.5 52.6 50.8
November 40.4 45.0 42.8 39.5 42.4 46.5 38.6 37.5 39.3 42.3 47.2
December 18.72 37.7 33.7 31.9 31.3 35.5 27.8 37.4 32.8 37.7 35.4

Ave. Annual

48.8

51.6 51.6 48.6 49.7 50.2 50.0 49.6 49.7 52.4 52.3

Climate (National Climatic Data Center - Blue Hill Station)

Normal temperature in January - 25.3 degrees Fahrenheit
Normal temperature in July - 71.2 degrees Fahrenheit
Normal annual temperature - 49.0 degrees Fahrenheit

This page contains summary information on the climate of Walpole from 1902. This information was gathered over the years at three different sites and organized by John R. Anderson. Much of it is excerpted from WALPOLE AREA CLIMATOLOGICAL DATA,  by John R. Anderson, 1989. A copy of this book is located at the Walpole Public Library (Walpole Collection - 551.5 WAL).