Helena Weather in 1985

Historical record of Helena, Montana weather for the year 1985 based on NOAA data.
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1985 Helena Weather Extremes
Highest temperature 101 °F July 9
Lowest temperature -27 °F November 23
Highest daily low 69 °F July 11
Lowest daily high -8 °F November 22
Most daily precipitation 0.7 inches August 11
Most daily snow 5.7 inches December 12
Total annual precipitation 9.0 inches -
Total annual snow 45.5 inches -
Highest Temperatures in Helena in 1985
Rank Temperature Date
1 101 °F Jul 9
2 100 °F Jul 10
2 100 °F Jul 5
4 99 °F Jul 6
5 98 °F Jul 21
6 97 °F Jul 22
6 97 °F Jul 15
6 97 °F Jul 4
9 96 °F Jul 26
9 96 °F Jul 8
9 96 °F Jul 3
9 96 °F Jul 2
Lowest Temperatures in Helena in 1985
Rank Temperature Date
1 -27 °F November 23
2 -25 °F December 2
2 -25 °F December 1
4 -24 °F February 4
5 -23 °F November 22
5 -23 °F February 1
5 -23 °F January 30
8 -21 °F December 11
9 -19 °F February 2
9 -19 °F January 31
January 1985 Helena Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
10 -11 0.00 0.0
23 0 0.00 0.0
15 0 0.00 0.0
11 -4 0.00 0.0
36 -4 0.00 0.0
31 8 0.00 0.0
24 9 0.00 0.0
23 5 0.00 0.0
17 -2 0.00 0.0
15 -4 0.05 1.5
15 -8 0.00 0.0
5 -8 0.00 0.0
7 -11 0.00 0.0
24 0 0.00 0.0
37 24 0.00 0.0
41 10 0.00 0.0
47 22 0.00 0.0
49 32 0.00 0.0
32 13 0.01 0.3
19 5 0.02 0.5
19 -1 0.00 0.0
16 -5 0.00 0.0
22 1 0.00 0.0
25 4 0.00 0.0
30 3 0.00 0.0
32 5 0.00 0.0
29 6 0.01 0.2
30 15 0.07 1.4
23 -10 0.00 0.0
-1 -23 0.00 0.0
4 -19 0.00 0.0
February 1985 Helena Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
0 -23 0.00 0.0
1 -19 0.00 0.0
5 -16 0.00 0.0
4 -24 0.00 0.0
24 -2 0.02 0.4
19 0 0.00 0.0
24 5 0.02 0.4
5 -14 0.23 3.8
4 -17 0.01 0.2
13 -13 0.02 0.3
40 5 0.00 0.0
40 18 0.00 0.0
32 11 0.00 0.0
34 9 0.00 0.0
47 14 0.00 0.0
37 23 0.00 0.0
37 17 0.00 0.0
31 14 0.00 0.0
40 10 0.00 0.0
42 28 0.00 0.0
38 27 0.00 0.0
42 31 0.00 0.0
45 21 0.00 0.0
49 31 0.02 0.2
35 19 0.06 0.9
38 19 0.00 0.0
42 28 0.00 0.0
48 34 0.00 0.0
March 1985 Helena Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
40 27 0.24 3.0
28 18 0.00 0.0
27 7 0.02 0.4
25 2 0.00 0.0
36 13 0.00 0.0
37 10 0.00 0.0
40 18 0.00 0.0
43 15 0.00 0.0
45 19 0.00 0.0
46 22 0.00 0.0
43 19 0.00 0.0
46 19 0.00 0.0
48 28 0.00 0.0
53 21 0.00 0.0
53 25 0.00 0.0
55 22 0.00 0.0
59 23 0.00 0.0
59 25 0.00 0.0
57 24 0.00 0.0
54 27 0.00 0.0
41 26 0.01 0.1
43 23 0.00 0.0
53 30 0.00 0.0
62 30 0.01 0.1
39 28 0.01 0.1
42 25 0.01 0.1
39 26 0.02 0.2
39 21 0.00 0.0
45 17 0.00 0.0
48 24 0.00 0.0
52 39 0.00 0.0
April 1985 Helena Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
58 45 0.00 0.0
69 36 0.00 0.0
54 36 0.02 0.0
46 28 0.04 0.8
57 38 0.00 0.0
46 30 0.00 0.0
55 20 0.00 0.0
63 27 0.00 0.0
70 30 0.00 0.0
75 30 0.00 0.0
61 48 0.00 0.0
65 41 0.00 0.0
74 30 0.00 0.0
77 39 0.00 0.0
56 40 0.00 0.0
67 35 0.12 0.0
66 34 0.00 0.0
65 42 0.03 0.0
46 31 0.09 0.0
43 29 0.00 0.0
48 20 0.00 0.0
51 21 0.00 0.0
46 28 0.15 0.0
47 27 0.00 0.0
47 25 0.01 0.0
57 30 0.00 0.0
73 46 0.00 0.0
79 36 0.00 0.0
70 48 0.00 0.0
73 38 0.00 0.0
May 1985 Helena Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
80 39 0.00 0.0
83 47 0.00 0.0
73 41 0.13 0.0
52 34 0.00 0.0
63 36 0.00 0.0
78 29 0.00 0.0
82 44 0.00 0.0
70 44 0.03 0.0
66 42 0.08 0.0
65 40 0.00 0.0
55 35 0.00 0.0
55 32 0.00 0.0
67 36 0.00 0.0
73 32 0.00 0.0
68 47 0.00 0.0
73 38 0.00 0.0
72 37 0.00 0.0
81 38 0.00 0.0
80 45 0.00 0.0
80 45 0.00 0.0
82 45 0.00 0.0
83 47 0.00 0.0
84 50 0.02 0.0
80 49 0.00 0.0
73 51 0.09 0.0
60 47 0.02 0.0
72 49 0.01 0.0
68 47 0.07 0.0
59 41 0.29 0.0
53 40 0.01 0.0
72 34 0.00 0.0
June 1985 Helena Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
62 43 0.00 0.0
59 48 0.04 0.0
62 43 0.00 0.0
70 44 0.00 0.0
69 52 0.04 0.0
77 50 0.00 0.0
94 55 0.00 0.0
70 52 0.00 0.0
72 42 0.00 0.0
74 49 0.00 0.0
74 44 0.00 0.0
84 47 0.00 0.0
77 54 0.00 0.0
81 48 0.00 0.0
82 55 0.00 0.0
79 55 0.00 0.0
75 50 0.00 0.0
82 42 0.00 0.0
93 46 0.00 0.0
86 52 0.00 0.0
81 50 0.00 0.0
86 52 0.00 0.0
90 47 0.00 0.0
69 52 0.00 0.0
61 49 0.00 0.0
74 37 0.00 0.0
85 44 0.00 0.0
91 51 0.00 0.0
85 57 0.00 0.0
93 50 0.00 0.0
July 1985 Helena Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
94 55 0.00 0.0
96 56 0.00 0.0
96 62 0.00 0.0
97 61 0.00 0.0
100 65 0.00 0.0
99 60 0.00 0.0
95 64 0.01 0.0
96 58 0.00 0.0
101 59 0.00 0.0
100 68 0.00 0.0
94 69 0.00 0.0
92 61 0.00 0.0
90 57 0.00 0.0
85 53 0.00 0.0
97 54 0.00 0.0
86 62 0.04 0.0
80 56 0.02 0.0
84 55 0.00 0.0
91 52 0.00 0.0
94 55 0.00 0.0
98 58 0.00 0.0
97 57 0.00 0.0
91 62 0.00 0.0
86 54 0.00 0.0
91 54 0.00 0.0
96 57 0.00 0.0
90 61 0.00 0.0
83 61 0.00 0.0
77 59 0.03 0.0
71 53 0.00 0.0
82 58 0.00 0.0
August 1985 Helena Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
88 54 0.00 0.0
69 56 0.37 0.0
79 56 0.00 0.0
88 53 0.00 0.0
84 54 0.00 0.0
85 50 0.00 0.0
86 51 0.01 0.0
69 51 0.00 0.0
76 52 0.00 0.0
63 45 0.54 0.0
58 45 0.72 0.0
64 47 0.45 0.0
64 46 0.02 0.0
74 40 0.00 0.0
74 48 0.36 0.0
59 44 0.04 0.0
76 38 0.00 0.0
84 47 0.00 0.0
79 54 0.11 0.0
80 47 0.00 0.0
70 51 0.01 0.0
69 48 0.00 0.0
78 41 0.00 0.0
88 46 0.00 0.0
90 48 0.00 0.0
82 53 0.00 0.0
83 50 0.01 0.0
85 50 0.00 0.0
86 53 0.00 0.0
88 53 0.00 0.0
72 48 0.00 0.0
September 1985 Helena Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
76 40 0.00 0.0
70 55 0.00 0.0
74 53 0.00 0.0
76 48 0.00 0.0
73 55 0.00 0.0
56 34 0.36 0.8
44 34 0.17 0.0
52 40 0.01 0.0
51 44 0.18 0.0
62 48 0.00 0.0
68 42 0.21 0.0
57 47 0.33 0.0
71 39 0.00 0.0
72 48 0.00 0.0
64 45 0.03 0.0
64 43 0.00 0.0
59 44 0.08 0.0
54 39 0.09 0.0
55 37 0.00 0.0
65 32 0.00 0.0
62 37 0.05 0.0
49 33 0.23 1.7
46 33 0.05 0.4
60 41 0.00 0.0
65 38 0.00 0.0
73 36 0.32 0.0
40 28 0.00 0.0
34 25 0.00 0.0
48 19 0.00 0.0
55 22 0.00 0.0
October 1985 Helena Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
53 27 0.00 0.0
58 31 0.01 0.0
53 29 0.28 1.4
54 25 0.00 0.0
63 32 0.00 0.0
46 31 0.13 1.7
32 19 0.27 5.4
26 17 0.02 0.3
38 6 0.00 0.0
48 22 0.00 0.0
55 26 0.00 0.0
51 36 0.00 0.0
53 36 0.00 0.0
54 38 0.00 0.0
61 37 0.00 0.0
68 31 0.01 0.0
61 36 0.00 0.0
63 28 0.00 0.0
73 28 0.00 0.0
63 34 0.00 0.0
70 42 0.03 0.0
54 34 0.00 0.0
49 35 0.01 0.0
64 34 0.00 0.0
64 42 0.00 0.0
60 27 0.00 0.0
71 32 0.00 0.0
59 27 0.00 0.0
48 18 0.00 0.0
57 21 0.00 0.0
41 30 0.00 0.0
November 1985 Helena Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
46 31 0.00 0.0
55 42 0.00 0.0
64 36 0.00 0.0
67 29 0.02 0.0
42 31 0.00 0.0
47 32 0.05 0.0
47 25 0.03 0.2
37 23 0.01 0.1
24 9 0.00 0.0
16 7 0.00 0.0
13 -2 0.04 0.4
22 -4 0.00 0.0
29 2 0.00 0.0
35 5 0.00 0.0
36 7 0.00 0.0
40 21 0.02 0.3
30 1 0.35 5.0
4 -4 0.03 0.3
8 -11 0.00 0.0
6 -12 0.01 0.1
2 -13 0.00 0.0
-8 -23 0.04 0.4
-2 -27 0.00 0.0
9 -13 0.00 0.0
-3 -15 0.06 1.2
-7 -18 0.00 0.0
-4 -18 0.03 0.3
3 -17 0.02 0.3
0 -9 0.11 1.4
-5 -14 0.02 0.4
December 1985 Helena Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
-6 -25 0.00 0.0
0 -25 0.01 0.2
36 -2 0.07 0.7
32 8 0.00 0.0
21 4 0.00 0.0
23 4 0.00 0.0
30 16 0.00 0.0
27 15 0.02 0.2
20 2 0.01 0.2
16 -14 0.00 0.0
4 -21 0.06 1.5
10 4 0.18 5.7
18 2 0.00 0.0
35 3 0.00 0.0
39 24 0.00 0.0
41 32 0.00 0.0
41 35 0.00 0.0
38 19 0.00 0.0
26 10 0.00 0.0
26 11 0.00 0.0
18 3 0.00 0.0
25 6 0.00 0.0
41 11 0.00 0.0
27 9 0.00 0.0
18 4 0.00 0.0
26 2 0.00 0.0
23 4 0.00 0.0
12 -5 0.00 0.0
28 2 0.00 0.0
35 23 0.00 0.0
27 14 0.00 0.0
Weather Station Details
Years Station Coordinates
1939–2024 Helena Regional Airport location
1893–1938 Helna location