|
|
|
| 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 | -- | -- | -- | -- |
| 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
| 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 | -- | -- | -- | -- |
|
|
Þ Average Temperature by Month 1989-2013 Þ1 = Warmest [month] of record for Walpole 2 = Coldest [month] of record for Walpole |
|
|
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° | 35.8°1 | 30.3° | 26.5 | 17.0 | 32.9 | -- | -- | |
| March | 42.9° | 38.0° | 46.0°1 | 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° | 47.5°1 | 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 | -- | -- | -- | -- |
|
Month |
2000 | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | 2008 | 2009 |
| January | 26.7° | 27.4° | 34.4°1 | 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 | 43.3°1 | 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° | 74.7°1 | 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° |
58.0°1 | 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° |
38.9°1 |
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° | 35.7°1 | 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° | 63.3°1 | 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° | 70.5°1 |
| July | 71.2° | 71.9° | 72.2° | 69.0° | 72.5° | 76.5°1 | 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° | 66.6°1 |
| 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 | 18.7°2 | 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).
