Helena May Weather
Typical Helena May Weather
1991–2020
|
Average daily high |
82.4 °F |
Average daily low |
61.2 °F |
Average monthly precipitation |
4.9 inches |
Average monthly snow |
none |
Daily chance of precipitation |
26.5% |
Daily chance of snow |
0% |
Note: Daily averages are a moving average which includes 14 days before and after
Day |
Average (°F) |
Record (°F) |
High |
Low |
High |
Low |
May 1 |
78.3 |
56.2 |
94 |
39 |
May 2 |
78.6 |
56.6 |
93 |
39 |
May 3 |
78.8 |
56.8 |
93 |
38 |
May 4 |
79.0 |
57.1 |
93 |
35 |
May 5 |
79.2 |
57.3 |
93 |
40 |
May 6 |
79.5 |
57.6 |
95 |
39 |
May 7 |
79.8 |
57.9 |
94 |
40 |
May 8 |
80.1 |
58.2 |
95 |
40 |
May 9 |
80.4 |
58.5 |
93 |
43 |
May 10 |
80.8 |
58.8 |
95 |
39 |
May 11 |
81.1 |
59.2 |
90 |
38 |
May 12 |
81.4 |
59.7 |
92 |
42 |
May 13 |
81.7 |
60.1 |
92 |
43 |
May 14 |
82.0 |
60.4 |
93 |
42 |
May 15 |
82.3 |
60.8 |
95 |
45 |
May 16 |
82.5 |
61.1 |
97 |
44 |
May 17 |
82.8 |
61.5 |
92 |
47 |
May 18 |
83.1 |
61.8 |
98 |
46 |
May 19 |
83.5 |
62.2 |
94 |
43 |
May 20 |
83.8 |
62.6 |
95 |
44 |
May 21 |
84.1 |
63.0 |
98 |
47 |
May 22 |
84.4 |
63.2 |
98 |
47 |
May 23 |
84.6 |
63.4 |
97 |
45 |
May 24 |
84.7 |
63.6 |
98 |
47 |
May 25 |
85.0 |
63.9 |
98 |
47 |
May 26 |
85.2 |
64.1 |
99 |
44 |
May 27 |
85.5 |
64.4 |
100 |
45 |
May 28 |
85.7 |
64.8 |
103 |
43 |
May 29 |
86.0 |
65.1 |
102 |
49 |
May 30 |
86.3 |
65.4 |
103 |
45 |
May 31 |
86.6 |
65.6 |
98 |
45 |
Weather Station Details
Years |
Station |
Coordinates |
1892–2024 |
Helena |
location |