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 1991

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  • Record Warmest
Period Value 1981-2010
Mean
Amomaly Rank
(1938-2019)
Warmest/Coolest
Since
Record
April 1991
1-Month
43.8°F
(6.6°C)
44.4°F
(6.9°C)
-0.6°F
(-0.3°C)
41st Coolest Coolest since: 1986 1975
41st Warmest Warmest since: 1990 1987
Mar–Apr 1991
2-Month
39.5°F
(4.2°C)
39.9°F
(4.4°C)
-0.4°F
(-0.2°C)
46th Coolest Coolest since: 1989 1951
34th Warmest Warmest since: 1990 2015
Feb–Apr 1991
3-Month
38.8°F
(3.8°C)
35.6°F
(2.0°C)
3.2°F
(1.8°C)
71st Coolest Coolest since: 1990 1975
9th Warmest Warmest since: 1987 2016
Jan–Apr 1991
4-Month
33.9°F
(1.1°C)
32.4°F
(0.2°C)
1.5°F
(0.9°C)
63rd Coolest Coolest since: 1989 1949
17th Warmest Warmest since: 1990 2016
Ties: 1994
Dec 1990–Apr 1991
5-Month
29.9°F
(-1.2°C)
30.2°F
(-1.0°C)
-0.3°F
(-0.2°C)
46th Coolest Coolest since: 1989 1949
33rd Warmest Warmest since: 1990 2016
Ties: 1947
Nov 1990–Apr 1991
6-Month
31.2°F
(-0.4°C)
30.6°F
(-0.8°C)
0.6°F
(0.4°C)
55th Coolest Coolest since: 1989 1979
24th Warmest Warmest since: 1990 2000
Ties: 1953, 1954, 1966
Oct 1990–Apr 1991
7-Month
33.2°F
(0.7°C)
32.5°F
(0.3°C)
0.7°F
(0.4°C)
51st Coolest Coolest since: 1989 1949, 1979
27th Warmest Warmest since: 1990 2000
Sep 1990–Apr 1991
8-Month
37.0°F
(2.8°C)
35.6°F
(2.0°C)
1.4°F
(0.8°C)
63rd Coolest Coolest since: 1989 1979
15th Warmest Warmest since: 1990 2016
Ties: 2007
Aug 1990–Apr 1991
9-Month
40.5°F
(4.7°C)
39.2°F
(4.0°C)
1.3°F
(0.7°C)
67th Coolest Coolest since: 1990 1979
11th Warmest Warmest since: 1983 2016
Ties: 1954, 1983
Jul 1990–Apr 1991
10-Month
43.4°F
(6.3°C)
42.2°F
(5.7°C)
1.2°F
(0.6°C)
63rd Coolest Coolest since: 1990 1949
15th Warmest Warmest since: 1990 2016
Ties: 1967, 1990
Jun 1990–Apr 1991
11-Month
45.0°F
(7.2°C)
44.0°F
(6.7°C)
1.0°F
(0.5°C)
62nd Coolest Coolest since: 1989 1949
16th Warmest Warmest since: 1990 2016
May 1990–Apr 1991
12-Month
45.5°F
(7.5°C)
44.8°F
(7.1°C)
0.7°F
(0.4°C)
60th Coolest Coolest since: 1989 1949
18th Warmest Warmest since: 1990 2016
Ties: 1988, 2017
Nov 1989–Apr 1991
18-Month
41.3°F
(5.2°C)
40.1°F
(4.5°C)
1.2°F
(0.7°C)
66th Coolest Coolest since: 1990 1952
9th Warmest Warmest since: 1941 2000, 2013
Ties: 1999
May 1989–Apr 1991
24-Month
45.6°F
(7.6°C)
44.8°F
(7.1°C)
0.8°F
(0.5°C)
63rd Coolest Coolest since: 1990 1952
11th Warmest Warmest since: 1941 2017
Ties: 2005
May 1988–Apr 1991
36-Month
45.1°F
(7.3°C)
44.8°F
(7.1°C)
0.3°F
(0.2°C)
56th Coolest Coolest since: 1990 1951
14th Warmest Warmest since: 1990 2018
Ties: 1990
May 1987–Apr 1991
48-Month
45.2°F
(7.3°C)
44.8°F
(7.1°C)
0.4°F
(0.2°C)
52nd Coolest Coolest since: 1990 1952
14th Warmest Warmest to Date 2002
May 1986–Apr 1991
60-Month
45.1°F
(7.3°C)
44.8°F
(7.1°C)
0.3°F
(0.2°C)
51st Coolest Coolest since: 1990 1952
11th Warmest Warmest to Date 2008

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published August 2019, retrieved on August 24, 2019 from https://www.ncdc.noaa.gov/cag/