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Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °F (°C) 66
(19)
70
(21)
82
(28)
90
(32)
91
(33)
95
(35)
97
(36)
97
(36)
92
(33)
85
(29)
76
(24)
67
(19)
97
(36)
Mean maximum °F (°C) 50.3
(10.2)
50.0
(10.0)
59.8
(15.4)
75.6
(24.2)
83.8
(28.8)
87.9
(31.1)
88.4
(31.3)
87.0
(30.6)
83.7
(28.7)
74.5
(23.6)
65.0
(18.3)
51.9
(11.1)
90.2
(32.3)
Mean daily maximum °F (°C) 25.8
(−3.4)
28.9
(−1.7)
37.6
(3.1)
51.5
(10.8)
65.0
(18.3)
73.2
(22.9)
77.6
(25.3)
76.1
(24.5)
68.6
(20.3)
55.3
(12.9)
42.8
(6.0)
31.3
(−0.4)
52.8
(11.6)
Daily mean °F (°C) 16.6
(−8.6)
18.9
(−7.3)
27.9
(−2.3)
40.9
(4.9)
53.3
(11.8)
61.8
(16.6)
66.5
(19.2)
64.9
(18.3)
57.4
(14.1)
45.5
(7.5)
34.4
(1.3)
23.2
(−4.9)
42.6
(5.9)
Mean daily minimum °F (°C) 7.4
(−13.7)
8.9
(−12.8)
18.1
(−7.7)
30.3
(−0.9)
41.7
(5.4)
50.5
(10.3)
55.5
(13.1)
53.7
(12.1)
46.3
(7.9)
35.7
(2.1)
26.0
(−3.3)
15.1
(−9.4)
32.4
(0.2)
Mean minimum °F (°C) −16.7
(−27.1)
−12.0
(−24.4)
−4.3
(−20.2)
17.0
(−8.3)
28.5
(−1.9)
37.8
(3.2)
45.1
(7.3)
43.1
(6.2)
32.3
(0.2)
22.6
(−5.2)
9.1
(−12.7)
−6.9
(−21.6)
−19.2
(−28.4)
Record low °F (°C) −34
(−37)
−29
(−34)
−18
(−28)
2
(−17)
20
(−7)
29
(−2)
35
(2)
31
(−1)
20
(−7)
14
(−10)
−7
(−22)
−27
(−33)
−34
(−37)
Average precipitation inches (mm) 2.32
(59)
2.06
(52)
2.49
(63)
3.04
(77)
3.52
(89)
4.21
(107)
4.27
(108)
3.81
(97)
3.33
(85)
3.87
(98)
2.85
(72)
2.93
(74)
38.70
(983)
Average snowfall inches (cm) 22.6
(57)
18.0
(46)
16.8
(43)
4.9
(12)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.0
(0.0)
0.9
(2.3)
9.1
(23)
21.9
(56)
94.2
(239)
Average precipitation days (≥ 0.01 in) 13.6 13.2 12.7 13.5 13.9 14.4 14.0 12.6 10.9 13.9 13.9 15.4 162.0
Average snowy days (≥ 0.1 in) 12.0 9.1 7.5 3.3 0.0 0.0 0.0 0.0 0.0 0.9 5.7 11.7 50.2
Average ultraviolet index 1 2 3 5 7 8 8 7 5 3 2 1 4
Source 1: NOAA (snow 1981–2010) [1] [2] [3]
Source 2: Weather Atlas [4]
  1. ^ "NowData – NOAA Online Weather Data". National Oceanic and Atmospheric Administration. Retrieved May 16, 2021.
  2. ^ "Station: Barre Montpelier AP, VT". U.S. Climate Normals 2020: U.S. Monthly Climate Normals (1991–2020). National Oceanic and Atmospheric Administration. Archived from the original on 2023-05-08. Retrieved May 16, 2021.
  3. ^ "Station: Barre Montpelier Knapp State Airport, VT". U.S. Monthly Climate Normals (1981–2010). National Oceanic and Atmospheric Administration. Archived from the original on 2023-05-08. Retrieved May 16, 2021.
  4. ^ "Monthly weather forecast and climate: Montpelier, VT". Weather Atlas. Retrieved June 21, 2020.