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 1946

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Period Value 1981-2010
Mean
Amomaly Rank
(1938-2019)
Warmest/Coolest
Since
Record
April 1946
1-Month
48.6°F
(9.2°C)
44.4°F
(6.9°C)
4.2°F
(2.3°C)
78th Coolest Coolest since: 1945 1975
4th Warmest Warmest to Date 1987
Mar–Apr 1946
2-Month
44.4°F
(6.9°C)
40.0°F
(4.4°C)
4.4°F
(2.5°C)
75th Coolest Coolest since: 1945 1951
5th Warmest Warmest to Date 2015
Ties: 2004
Feb–Apr 1946
3-Month
39.7°F
(4.3°C)
35.6°F
(2.0°C)
4.1°F
(2.3°C)
76th Coolest Coolest since: 1945 1975
4th Warmest Warmest to Date 2016
Ties: 1987
Jan–Apr 1946
4-Month
36.7°F
(2.6°C)
32.4°F
(0.2°C)
4.3°F
(2.4°C)
76th Coolest Coolest since: 1945 1949
4th Warmest Warmest to Date 2016
Dec 1945–Apr 1946
5-Month
33.6°F
(0.9°C)
30.2°F
(-1.0°C)
3.4°F
(1.9°C)
73rd Coolest Coolest since: 1945 1949
6th Warmest Warmest to Date 2016
Ties: 1981
Nov 1945–Apr 1946
6-Month
33.1°F
(0.6°C)
30.5°F
(-0.8°C)
2.6°F
(1.4°C)
73rd Coolest Coolest since: 1945 1979
6th Warmest Warmest to Date 2000
Oct 1945–Apr 1946
7-Month
35.5°F
(1.9°C)
32.5°F
(0.3°C)
3.0°F
(1.6°C)
74th Coolest Coolest since: 1945 1949, 1979
4th Warmest Warmest to Date 2000
Sep 1945–Apr 1946
8-Month
37.8°F
(3.2°C)
35.6°F
(2.0°C)
2.2°F
(1.2°C)
74th Coolest Coolest since: 1945 1979
4th Warmest Warmest to Date 2016
Ties: 1992, 1999
Aug 1945–Apr 1946
9-Month
41.2°F
(5.1°C)
39.2°F
(4.0°C)
2.0°F
(1.1°C)
71st Coolest Coolest since: 1945 1979
7th Warmest Warmest to Date 2016
Jul 1945–Apr 1946
10-Month
44.1°F
(6.7°C)
42.2°F
(5.7°C)
1.9°F
(1.0°C)
69th Coolest Coolest since: 1945 1949
9th Warmest Warmest to Date 2016
Jun 1945–Apr 1946
11-Month
45.3°F
(7.4°C)
44.0°F
(6.7°C)
1.3°F
(0.7°C)
67th Coolest Coolest since: 1945 1949
11th Warmest Warmest since: 1941 2016
May 1945–Apr 1946
12-Month
45.8°F
(7.7°C)
44.8°F
(7.1°C)
1.0°F
(0.6°C)
66th Coolest Coolest since: 1945 1949
12th Warmest Warmest since: 1941 2016
Ties: 1967, 2006
Nov 1944–Apr 1946
18-Month
40.1°F
(4.5°C)
40.1°F
(4.5°C)
0.0°F
(0.0°C)
50th Coolest Coolest since: 1945 1952
25th Warmest Warmest since: 1941 2000, 2013
Ties: 1964, 2002, 2005, 2009
May 1944–Apr 1946
24-Month
44.5°F
(6.9°C)
44.8°F
(7.1°C)
-0.3°F
(-0.2°C)
42nd Coolest Coolest since: 1945 1952
32nd Warmest Warmest since: 1942 2017
Ties: 1947, 1983, 1993, 2010
May 1943–Apr 1946
36-Month
44.1°F
(6.7°C)
44.8°F
(7.1°C)
-0.7°F
(-0.4°C)
37th Coolest Coolest since: 1945 1951
33rd Warmest Warmest since: 1942 2018
Ties: 1947
May 1942–Apr 1946
48-Month
43.5°F
(6.4°C)
44.8°F
(7.1°C)
-1.3°F
(-0.7°C)
19th Coolest Coolest since: 1945 1952
47th Warmest Warmest since: 1944 2002
May 1941–Apr 1946
60-Month
43.3°F
(6.3°C)
44.8°F
(7.1°C)
-1.5°F
(-0.8°C)
12th Coolest Coolest to Date 1952
50th Warmest Warmest since: 1945 2008
Ties: 1972

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published August 2019, retrieved on August 25, 2019 from https://www.ncdc.noaa.gov/cag/