Helena, Montana March 1990 Average Temperature Rankings
1991-2020
Degrees Fahrenheit
1
35.7
36.7
-1.0
45
39
1943
2015
1989
1988
normal
2
31.7
32.4
-0.7
43
41
2019
2015
1989
1988
normal
1973,2009
3
31.0
29.5
1.5
65
19
1949
2015
1989
1987
top-third
4
29.4
27.9
1.5
62
21
1949
2016
1989
1983
top-third
5
31.1
29.0
2.1
70
13
1949
2000
1989
1983
top-third
6
33.5
31.9
1.6
70
12
1949
2000
1989
1983
top-third
1954
7
36.8
35.9
0.9
64
18
1949
2016
1989
1983
top-third
1991
8
40.4
40.1
0.3
57
25
1949
2016
1989
1983
top-third
1970,1998,2009
9
44.0
43.5
0.5
59
23
1949
2016
1989
1983
top-third
10
45.9
45.4
0.5
62
20
1949
2016
1989
1983
top-third
1991
11
46.5
46.3
0.2
62
20
1949
2016
1989
1983
top-third
1970,1991,2009,2017
12
46.4
46.2
0.2
57
25
1949
2016
1989
1988
top-third
18
40.4
41.3
-0.9
36
42
1952
2013
1987
1989
normal
2020
24
45.8
46.1
-0.3
52
26
1952
2017
1987
1989
top-third
1983
36
46.1
46.1
0.0
57
17
1951,1952
2008,2018
1989
1941
top-third
2003
48
45.8
46.1
-0.3
49
21
1952
2002,2008,2009
1989
1990
top-third
2011
60
45.4
46.1
-0.7
42
24
1952
2008
1989
1990
normal
1999