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 2019

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1981-2010
Mean
Amomaly Rank
(1938-2019)
Warmest/Coolest
Since
Record
April 2019
1-Month
45.7°F
(7.6°C)
44.3°F
(6.8°C)
1.4°F
(0.8°C)
56th Coolest Coolest since: 2018 1975
26th Warmest Warmest since: 2017 1987
Mar–Apr 2019
2-Month
36.0°F
(2.2°C)
40.0°F
(4.4°C)
-4.0°F
(-2.2°C)
15th Coolest Coolest since: 2009 1951
65th Warmest Warmest since: 2018 2015
Ties: 1989
Feb–Apr 2019
3-Month
25.8°F
(-3.4°C)
35.7°F
(2.1°C)
-9.9°F
(-5.5°C)
2nd Coolest Coolest since: 1975 1975
78th Warmest Warmest since: 2018 2016
Jan–Apr 2019
4-Month
25.6°F
(-3.6°C)
32.4°F
(0.2°C)
-6.8°F
(-3.8°C)
7th Coolest Coolest since: 1979 1949
73rd Warmest Warmest since: 2018 2016
Ties: 1950
Dec 2018–Apr 2019
5-Month
25.8°F
(-3.4°C)
30.2°F
(-1.0°C)
-4.4°F
(-2.4°C)
13th Coolest Coolest since: 1993 1949
66th Warmest Warmest since: 2018 2016
Ties: 1956
Nov 2018–Apr 2019
6-Month
27.1°F
(-2.7°C)
30.6°F
(-0.8°C)
-3.5°F
(-1.9°C)
17th Coolest Coolest since: 2001 1979
62nd Warmest Warmest since: 2018 2000
Ties: 1942
Oct 2018–Apr 2019
7-Month
29.5°F
(-1.4°C)
32.5°F
(0.3°C)
-3.0°F
(-1.7°C)
16th Coolest Coolest since: 2001 1949, 1979
62nd Warmest Warmest since: 2018 2000
Ties: 1973
Sep 2018–Apr 2019
8-Month
32.9°F
(0.5°C)
35.6°F
(2.0°C)
-2.7°F
(-1.5°C)
19th Coolest Coolest since: 2001 1979
59th Warmest Warmest since: 2018 2016
Aug 2018–Apr 2019
9-Month
36.8°F
(2.7°C)
39.2°F
(4.0°C)
-2.4°F
(-1.3°C)
20th Coolest Coolest since: 2001 1979
58th Warmest Warmest since: 2018 2016
Jul 2018–Apr 2019
10-Month
40.1°F
(4.5°C)
42.2°F
(5.7°C)
-2.1°F
(-1.2°C)
22nd Coolest Coolest since: 2001 1949
56th Warmest Warmest since: 2018 2016
Jun 2018–Apr 2019
11-Month
42.1°F
(5.6°C)
44.0°F
(6.7°C)
-1.9°F
(-1.1°C)
21st Coolest Coolest since: 2001 1949
57th Warmest Warmest since: 2018 2016
Ties: 1945
May 2018–Apr 2019
12-Month
43.5°F
(6.4°C)
44.8°F
(7.1°C)
-1.3°F
(-0.7°C)
26th Coolest Coolest since: 2011 1949
52nd Warmest Warmest since: 2018 2016
Ties: 1944, 1948, 1971, 1976
Nov 2017–Apr 2019
18-Month
38.6°F
(3.7°C)
40.1°F
(4.5°C)
-1.5°F
(-0.8°C)
24th Coolest Coolest since: 2011 1952
51st Warmest Warmest since: 2018 2000, 2013
Ties: 1942, 1975
May 2017–Apr 2019
24-Month
44.4°F
(6.9°C)
44.8°F
(7.1°C)
-0.4°F
(-0.2°C)
37th Coolest Coolest since: 2011 1952
37th Warmest Warmest since: 2018 2017
May 2016–Apr 2019
36-Month
44.7°F
(7.1°C)
44.8°F
(7.1°C)
-0.1°F
(0.0°C)
48th Coolest Coolest since: 2012 1951
22nd Warmest Warmest since: 2018 2018
Ties: 1963, 1999
May 2015–Apr 2019
48-Month
45.7°F
(7.6°C)
44.8°F
(7.1°C)
0.9°F
(0.5°C)
61st Coolest Coolest since: 2013 1952
5th Warmest Warmest since: 2009 2002
Ties: 2008
May 2014–Apr 2019
60-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1952
-- -- 2008

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/