Climate at a Glance

City Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of December 2020. For more information, please see Climatological Rankings.


Helena, Montana

Average Temperature Rankings, March 1975

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
March 1975
1-Month
29.3°F
(-1.5°C)
35.6°F
(2.0°C)
-6.3°F
(-3.5°C)
17th Coolest Coolest since: 1970 1943, 1951
64th Warmest Warmest since: 1974 2015
Feb–Mar 1975
2-Month
21.8°F
(-5.7°C)
31.3°F
(-0.4°C)
-9.5°F
(-5.3°C)
6th Coolest Coolest since: 1969 2019
75th Warmest Warmest since: 1974 2015
Jan–Mar 1975
3-Month
21.7°F
(-5.7°C)
28.3°F
(-2.1°C)
-6.6°F
(-3.6°C)
15th Coolest Coolest since: 1969 1949
66th Warmest Warmest since: 1974 2015
Dec 1974–Mar 1975
4-Month
23.3°F
(-4.8°C)
26.5°F
(-3.1°C)
-3.2°F
(-1.7°C)
21st Coolest Coolest since: 1973 1949
59th Warmest Warmest since: 1974 2016, 2020
Ties: 2017
Nov 1974–Mar 1975
5-Month
25.7°F
(-3.5°C)
27.7°F
(-2.4°C)
-2.0°F
(-1.1°C)
29th Coolest Coolest since: 1973 1949
51st Warmest Warmest since: 1974 2000
Ties: 2011
Oct 1974–Mar 1975
6-Month
29.1°F
(-1.6°C)
30.4°F
(-0.9°C)
-1.3°F
(-0.7°C)
29th Coolest Coolest since: 1973 1949
50th Warmest Warmest since: 1974 2000
Ties: 1965, 1978, 1980, 2010
Sep 1974–Mar 1975
7-Month
32.7°F
(0.4°C)
34.3°F
(1.3°C)
-1.6°F
(-0.9°C)
29th Coolest Coolest since: 1973 1949
50th Warmest Warmest since: 1974 2016
Aug 1974–Mar 1975
8-Month
36.4°F
(2.4°C)
38.5°F
(3.6°C)
-2.1°F
(-1.2°C)
23rd Coolest Coolest since: 1973 1949
56th Warmest Warmest since: 1974 2016
Jul 1974–Mar 1975
9-Month
40.2°F
(4.6°C)
41.9°F
(5.5°C)
-1.7°F
(-0.9°C)
27th Coolest Coolest since: 1973 1949
52nd Warmest Warmest since: 1974 2016
Jun 1974–Mar 1975
10-Month
42.7°F
(5.9°C)
43.9°F
(6.6°C)
-1.2°F
(-0.7°C)
32nd Coolest Coolest since: 1973 1949
47th Warmest Warmest since: 1974 2016
Ties: 1966
May 1974–Mar 1975
11-Month
43.3°F
(6.3°C)
44.8°F
(7.1°C)
-1.5°F
(-0.8°C)
29th Coolest Coolest since: 1973 1949
50th Warmest Warmest since: 1974 2016
Ties: 1966, 1971
Apr 1974–Mar 1975
12-Month
43.6°F
(6.4°C)
44.8°F
(7.1°C)
-1.2°F
(-0.7°C)
32nd Coolest Coolest since: 1973 1949, 1952, 1969
47th Warmest Warmest since: 1974 2016
Ties: 1994
Oct 1973–Mar 1975
18-Month
39.4°F
(4.1°C)
40.0°F
(4.4°C)
-0.6°F
(-0.3°C)
37th Coolest Coolest since: 1974 1952
38th Warmest Warmest since: 1968 2013
Ties: 1959
Apr 1973–Mar 1975
24-Month
44.0°F
(6.7°C)
44.7°F
(7.1°C)
-0.7°F
(-0.4°C)
35th Coolest Coolest since: 1974 1952
40th Warmest Warmest since: 1968 2017
Ties: 1946, 1947, 2019
Apr 1972–Mar 1975
36-Month
43.2°F
(6.2°C)
44.8°F
(7.1°C)
-1.6°F
(-0.9°C)
17th Coolest Coolest since: 1974 1951, 1952
54th Warmest Warmest since: 1972 2008
Ties: 1943, 1998
Apr 1971–Mar 1975
48-Month
42.9°F
(6.1°C)
44.7°F
(7.1°C)
-1.8°F
(-1.0°C)
11th Coolest Coolest since: 1974 1952
56th Warmest Warmest since: 1971 2008, 2009
Ties: 1959
Apr 1970–Mar 1975
60-Month
42.9°F
(6.1°C)
44.7°F
(7.1°C)
-1.8°F
(-1.0°C)
9th Coolest Coolest since: 1973 1952
54th Warmest Warmest since: 1974 2008
Ties: 1949, 1976

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published January 2021, retrieved on January 20, 2021 from https://www.ncdc.noaa.gov/cag/