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 2009

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  • Record Warmest
Period Value 1981-2010
Mean
Amomaly Rank
(1938-2019)
Warmest/Coolest
Since
Record
April 2009
1-Month
41.1°F
(5.1°C)
44.4°F
(6.9°C)
-3.3°F
(-1.8°C)
15th Coolest Coolest since: 2008 1975
67th Warmest Warmest since: 2007 1987
Ties: 1950, 1951, 2013
Mar–Apr 2009
2-Month
35.4°F
(1.9°C)
39.9°F
(4.4°C)
-4.5°F
(-2.5°C)
11th Coolest Coolest since: 2002 1951
69th Warmest Warmest since: 2008 2015
Feb–Apr 2009
3-Month
34.0°F
(1.1°C)
35.7°F
(2.1°C)
-1.7°F
(-1.0°C)
34th Coolest Coolest since: 2002 1975
46th Warmest Warmest since: 2008 2016
Jan–Apr 2009
4-Month
32.0°F
(0.0°C)
32.3°F
(0.2°C)
-0.3°F
(-0.2°C)
48th Coolest Coolest since: 2008 1949
32nd Warmest Warmest since: 2007 2016
Dec 2008–Apr 2009
5-Month
29.4°F
(-1.4°C)
30.2°F
(-1.0°C)
-0.8°F
(-0.4°C)
40th Coolest Coolest since: 2001 1949
39th Warmest Warmest since: 2008 2016
Nov 2008–Apr 2009
6-Month
31.0°F
(-0.6°C)
30.5°F
(-0.8°C)
0.5°F
(0.2°C)
47th Coolest Coolest since: 2008 1979
32nd Warmest Warmest since: 2007 2000
Oct 2008–Apr 2009
7-Month
33.0°F
(0.6°C)
32.5°F
(0.3°C)
0.5°F
(0.3°C)
48th Coolest Coolest since: 2008 1949, 1979
30th Warmest Warmest since: 2007 2000
Ties: 1958
Sep 2008–Apr 2009
8-Month
35.8°F
(2.1°C)
35.6°F
(2.0°C)
0.2°F
(0.1°C)
44th Coolest Coolest since: 2008 1979
34th Warmest Warmest since: 2007 2016
Ties: 1987
Aug 2008–Apr 2009
9-Month
39.4°F
(4.1°C)
39.2°F
(4.0°C)
0.2°F
(0.1°C)
48th Coolest Coolest since: 2008 1979
30th Warmest Warmest since: 2008 2016
Ties: 1958, 1987, 2008, 2017
Jul 2008–Apr 2009
10-Month
42.5°F
(5.8°C)
42.2°F
(5.7°C)
0.3°F
(0.1°C)
49th Coolest Coolest since: 2005 1949
29th Warmest Warmest since: 2008 2016
Ties: 1958, 1998, 2003, 2005
Jun 2008–Apr 2009
11-Month
44.2°F
(6.8°C)
44.0°F
(6.7°C)
0.2°F
(0.1°C)
49th Coolest Coolest since: 2005 1949
29th Warmest Warmest since: 2008 2016
Ties: 1958, 1998, 2003
May 2008–Apr 2009
12-Month
44.9°F
(7.2°C)
44.8°F
(7.1°C)
0.1°F
(0.1°C)
46th Coolest Coolest since: 2005 1949
32nd Warmest Warmest since: 2008 2016
Ties: 1987, 2003
Nov 2007–Apr 2009
18-Month
40.1°F
(4.5°C)
40.1°F
(4.5°C)
0.0°F
(0.0°C)
50th Coolest Coolest since: 2005 1952
25th Warmest Warmest since: 2008 2000, 2013
Ties: 1946, 1964, 2002, 2005
May 2007–Apr 2009
24-Month
45.4°F
(7.4°C)
44.8°F
(7.1°C)
0.6°F
(0.3°C)
61st Coolest Coolest since: 2006 1952
13th Warmest Warmest since: 2008 2017
Ties: 1968, 2018
May 2006–Apr 2009
36-Month
45.8°F
(7.7°C)
44.8°F
(7.1°C)
1.0°F
(0.6°C)
64th Coolest Coolest since: 2007 1951
6th Warmest Warmest since: 2008 2018
May 2005–Apr 2009
48-Month
45.8°F
(7.7°C)
44.8°F
(7.1°C)
1.0°F
(0.6°C)
64th Coolest Coolest since: 2008 1952
2nd Warmest Warmest since: 2007 2002
Ties: 2005, 2007
May 2004–Apr 2009
60-Month
45.5°F
(7.5°C)
44.8°F
(7.1°C)
0.7°F
(0.4°C)
55th Coolest Coolest since: 2005 1952
7th Warmest Warmest since: 2008 2008
Ties: 1992

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published August 2019, retrieved on August 23, 2019 from https://www.ncdc.noaa.gov/cag/