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


Helena, Montana

Average Temperature Rankings, March 2009

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1938-2019)
Warmest/Coolest
Since
Record
March 2009
1-Month
29.9°F
(-1.2°C)
35.9°F
(2.2°C)
-6.0°F
(-3.4°C)
14th Coolest Coolest since: 2002 2019
66th Warmest Warmest since: 2008 2015
Ties: 1949, 1962, 1970, 1975
Feb–Mar 2009
2-Month
30.6°F
(-0.8°C)
31.7°F
(-0.2°C)
-1.1°F
(-0.6°C)
33rd Coolest Coolest since: 2003 2019
47th Warmest Warmest since: 2008 2015
Jan–Mar 2009
3-Month
29.1°F
(-1.6°C)
28.7°F
(-1.8°C)
0.4°F
(0.2°C)
50th Coolest Coolest since: 2008 1949
30th Warmest Warmest since: 2007 1983
Dec 2008–Mar 2009
4-Month
26.6°F
(-3.0°C)
27.0°F
(-2.8°C)
-0.4°F
(-0.2°C)
37th Coolest Coolest since: 2002 1949
42nd Warmest Warmest since: 2008 1983
Ties: 2002
Nov 2008–Mar 2009
5-Month
29.1°F
(-1.6°C)
28.1°F
(-2.2°C)
1.0°F
(0.6°C)
52nd Coolest Coolest since: 2008 1949
27th Warmest Warmest since: 2007 2000
Ties: 1991, 2005
Oct 2008–Mar 2009
6-Month
31.7°F
(-0.2°C)
30.9°F
(-0.6°C)
0.8°F
(0.4°C)
49th Coolest Coolest since: 2008 1949
29th Warmest Warmest since: 2007 2000
Ties: 1968, 2004
Sep 2008–Mar 2009
7-Month
35.1°F
(1.7°C)
34.7°F
(1.5°C)
0.4°F
(0.2°C)
43rd Coolest Coolest since: 2003 1949
35th Warmest Warmest since: 2008 2016
Ties: 1964, 2003
Aug 2008–Mar 2009
8-Month
39.3°F
(4.1°C)
38.9°F
(3.8°C)
0.4°F
(0.3°C)
45th Coolest Coolest since: 2005 1949
33rd Warmest Warmest since: 2008 2016
Jul 2008–Mar 2009
9-Month
42.8°F
(6.0°C)
42.3°F
(5.7°C)
0.5°F
(0.3°C)
48th Coolest Coolest since: 2005 1949
30th Warmest Warmest since: 2008 2016
Ties: 1964
Jun 2008–Mar 2009
10-Month
44.6°F
(7.0°C)
44.3°F
(6.8°C)
0.3°F
(0.2°C)
48th Coolest Coolest since: 2005 1949
30th Warmest Warmest since: 2008 2016
Ties: 1964, 1977, 1998, 2017
May 2008–Mar 2009
11-Month
45.4°F
(7.4°C)
45.2°F
(7.3°C)
0.2°F
(0.1°C)
45th Coolest Coolest since: 2005 1949
33rd Warmest Warmest since: 2008 2016
Ties: 2017
Apr 2008–Mar 2009
12-Month
44.9°F
(7.2°C)
45.2°F
(7.3°C)
-0.3°F
(-0.1°C)
43rd Coolest Coolest since: 2003 1949, 1952
35th Warmest Warmest since: 2008 2016
Ties: 1982, 2018
Oct 2007–Mar 2009
18-Month
40.5°F
(4.7°C)
40.5°F
(4.7°C)
0.0°F
(0.0°C)
45th Coolest Coolest since: 2005 1952
29th Warmest Warmest since: 2008 1967, 2013
Ties: 2003, 2005
Apr 2007–Mar 2009
24-Month
45.7°F
(7.6°C)
45.2°F
(7.3°C)
0.5°F
(0.3°C)
59th Coolest Coolest since: 2006 1952
15th Warmest Warmest since: 2008 2017
Ties: 1964, 2005
Apr 2006–Mar 2009
36-Month
46.0°F
(7.8°C)
45.1°F
(7.3°C)
0.9°F
(0.5°C)
63rd Coolest Coolest since: 2007 1951, 1952
7th Warmest Warmest since: 2008 1941
Apr 2005–Mar 2009
48-Month
45.9°F
(7.7°C)
45.1°F
(7.3°C)
0.8°F
(0.4°C)
63rd Coolest Coolest since: 2007 1952
3rd Warmest Warmest since: 2008 2002
Ties: 1992, 2007
Apr 2004–Mar 2009
60-Month
45.7°F
(7.6°C)
45.1°F
(7.3°C)
0.6°F
(0.3°C)
55th Coolest Coolest since: 2007 1952
7th Warmest Warmest since: 2008 1992, 2008
Ties: 2007

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published November 2019, retrieved on November 13, 2019 from https://www.ncdc.noaa.gov/cag/