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 July 2019. For more information, please see Climatological Rankings.


Helena, Montana

Average Temperature Rankings, April 1975

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Period Value 1981-2010
Mean
Amomaly Rank
(1938-2019)
Warmest/Coolest
Since
Record
April 1975
1-Month
33.3°F
(0.7°C)
44.3°F
(6.8°C)
-11.0°F
(-6.1°C)
1st Coolest Coolest to Date 1975
81st Warmest Warmest since: 1974 1987
Mar–Apr 1975
2-Month
31.3°F
(-0.4°C)
40.0°F
(4.4°C)
-8.7°F
(-4.8°C)
2nd Coolest Coolest since: 1951 1951
78th Warmest Warmest since: 1974 2015
Feb–Apr 1975
3-Month
25.6°F
(-3.6°C)
35.7°F
(2.1°C)
-10.1°F
(-5.7°C)
1st Coolest Coolest to Date 1975
79th Warmest Warmest since: 1974 2016
Jan–Apr 1975
4-Month
24.6°F
(-4.1°C)
32.4°F
(0.2°C)
-7.8°F
(-4.3°C)
6th Coolest Coolest since: 1969 1949
74th Warmest Warmest since: 1974 2016
Dec 1974–Apr 1975
5-Month
25.3°F
(-3.7°C)
30.2°F
(-1.0°C)
-4.9°F
(-2.7°C)
11th Coolest Coolest since: 1969 1949
68th Warmest Warmest since: 1974 2016
Nov 1974–Apr 1975
6-Month
26.9°F
(-2.8°C)
30.5°F
(-0.8°C)
-3.6°F
(-2.0°C)
15th Coolest Coolest since: 1969 1979
64th Warmest Warmest since: 1974 2000
Ties: 1950
Oct 1974–Apr 1975
7-Month
29.7°F
(-1.3°C)
32.5°F
(0.3°C)
-2.8°F
(-1.6°C)
19th Coolest Coolest since: 1973 1949, 1979
59th Warmest Warmest since: 1974 2000
Sep 1974–Apr 1975
8-Month
32.7°F
(0.4°C)
35.6°F
(2.0°C)
-2.9°F
(-1.6°C)
17th Coolest Coolest since: 1973 1979
61st Warmest Warmest since: 1974 2016
Ties: 1997
Aug 1974–Apr 1975
9-Month
36.0°F
(2.2°C)
39.2°F
(4.0°C)
-3.2°F
(-1.8°C)
10th Coolest Coolest since: 1969 1979
68th Warmest Warmest since: 1974 2016
Ties: 1942, 1943
Jul 1974–Apr 1975
10-Month
39.4°F
(4.1°C)
42.2°F
(5.7°C)
-2.8°F
(-1.6°C)
12th Coolest Coolest since: 1973 1949
66th Warmest Warmest since: 1974 2016
Ties: 1942, 1943, 1957
Jun 1974–Apr 1975
11-Month
41.8°F
(5.4°C)
44.0°F
(6.7°C)
-2.2°F
(-1.3°C)
17th Coolest Coolest since: 1973 1949
61st Warmest Warmest since: 1974 2016
May 1974–Apr 1975
12-Month
42.4°F
(5.8°C)
44.8°F
(7.1°C)
-2.4°F
(-1.3°C)
10th Coolest Coolest since: 1973 1949
68th Warmest Warmest since: 1974 2016
Ties: 1960, 1996
Nov 1973–Apr 1975
18-Month
38.6°F
(3.7°C)
40.0°F
(4.4°C)
-1.4°F
(-0.7°C)
24th Coolest Coolest since: 1973 1952
51st Warmest Warmest since: 1974 2000, 2013
Ties: 1942, 2019
May 1973–Apr 1975
24-Month
43.8°F
(6.6°C)
44.9°F
(7.2°C)
-1.1°F
(-0.6°C)
27th Coolest Coolest since: 1974 1952
47th Warmest Warmest since: 1971 2017
Ties: 1998
May 1972–Apr 1975
36-Month
43.1°F
(6.2°C)
44.8°F
(7.1°C)
-1.7°F
(-0.9°C)
13th Coolest Coolest since: 1973 1951
57th Warmest Warmest since: 1974 2018
Ties: 1958, 1987
May 1971–Apr 1975
48-Month
43.0°F
(6.1°C)
44.8°F
(7.1°C)
-1.8°F
(-1.0°C)
7th Coolest Coolest since: 1972 1952
59th Warmest Warmest since: 1974 2002
May 1970–Apr 1975
60-Month
43.1°F
(6.2°C)
44.8°F
(7.1°C)
-1.7°F
(-0.9°C)
7th Coolest Coolest since: 1973 1952
55th Warmest Warmest since: 1974 2008
Ties: 1950, 1960, 1976

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published August 2019, retrieved on August 19, 2019 from https://www.ncdc.noaa.gov/cag/