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 1990

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  • Record Warmest
Period Value 1981-2010
Mean
Amomaly Rank
(1938-2019)
Warmest/Coolest
Since
Record
April 1990
1-Month
45.8°F
(7.7°C)
44.4°F
(6.9°C)
1.4°F
(0.8°C)
57th Coolest Coolest since: 1989 1975
25th Warmest Warmest since: 1988 1987
Mar–Apr 1990
2-Month
40.3°F
(4.6°C)
39.9°F
(4.4°C)
0.4°F
(0.2°C)
55th Coolest Coolest since: 1989 1951
25th Warmest Warmest since: 1988 2015
Ties: 1984, 1993
Feb–Apr 1990
3-Month
35.9°F
(2.2°C)
35.7°F
(2.1°C)
0.2°F
(0.1°C)
48th Coolest Coolest since: 1989 1975
32nd Warmest Warmest since: 1988 2016
Jan–Apr 1990
4-Month
34.1°F
(1.2°C)
32.4°F
(0.2°C)
1.7°F
(1.0°C)
64th Coolest Coolest since: 1989 1949
16th Warmest Warmest since: 1987 2016
Dec 1989–Apr 1990
5-Month
32.1°F
(0.1°C)
30.2°F
(-1.0°C)
1.9°F
(1.1°C)
64th Coolest Coolest since: 1989 1949
15th Warmest Warmest since: 1987 2016
Nov 1989–Apr 1990
6-Month
32.8°F
(0.4°C)
30.5°F
(-0.8°C)
2.3°F
(1.2°C)
72nd Coolest Coolest since: 1989 1979
7th Warmest Warmest since: 1981 2000
Oct 1989–Apr 1990
7-Month
34.6°F
(1.4°C)
32.5°F
(0.3°C)
2.1°F
(1.1°C)
71st Coolest Coolest since: 1989 1949, 1979
7th Warmest Warmest since: 1961 2000
Ties: 1961
Sep 1989–Apr 1990
8-Month
37.2°F
(2.9°C)
35.6°F
(2.0°C)
1.6°F
(0.9°C)
68th Coolest Coolest since: 1989 1979
10th Warmest Warmest since: 1988 2016
Ties: 1988, 2002
Aug 1989–Apr 1990
9-Month
40.2°F
(4.6°C)
39.1°F
(3.9°C)
1.1°F
(0.7°C)
60th Coolest Coolest since: 1989 1979
18th Warmest Warmest since: 1983 2016
Jul 1989–Apr 1990
10-Month
43.4°F
(6.3°C)
42.2°F
(5.7°C)
1.2°F
(0.6°C)
63rd Coolest Coolest since: 1989 1949
15th Warmest Warmest since: 1967 2016
Ties: 1967, 1991
Jun 1989–Apr 1990
11-Month
45.1°F
(7.3°C)
44.0°F
(6.7°C)
1.1°F
(0.6°C)
64th Coolest Coolest since: 1989 1949
14th Warmest Warmest since: 1961 2016
Ties: 2008
May 1989–Apr 1990
12-Month
45.7°F
(7.6°C)
44.8°F
(7.1°C)
0.9°F
(0.5°C)
63rd Coolest Coolest since: 1989 1949
15th Warmest Warmest since: 1967 2016
Ties: 1961, 1995
Nov 1988–Apr 1990
18-Month
39.3°F
(4.1°C)
40.0°F
(4.4°C)
-0.7°F
(-0.3°C)
35th Coolest Coolest since: 1987 1952
40th Warmest Warmest since: 1989 2000, 2013
May 1988–Apr 1990
24-Month
44.9°F
(7.2°C)
44.8°F
(7.1°C)
0.1°F
(0.1°C)
52nd Coolest Coolest since: 1989 1952
22nd Warmest Warmest since: 1988 2017
May 1987–Apr 1990
36-Month
45.1°F
(7.3°C)
44.8°F
(7.1°C)
0.3°F
(0.2°C)
56th Coolest Coolest since: 1989 1951
14th Warmest Warmest since: 1941 2018
Ties: 1991
May 1986–Apr 1990
48-Month
45.1°F
(7.3°C)
44.9°F
(7.2°C)
0.2°F
(0.1°C)
51st Coolest Coolest since: 1989 1952
15th Warmest Warmest to Date 2002
Ties: 1993
May 1985–Apr 1990
60-Month
44.6°F
(7.0°C)
44.9°F
(7.2°C)
-0.3°F
(-0.2°C)
42nd Coolest Coolest since: 1989 1952
20th 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 18, 2019 from https://www.ncdc.noaa.gov/cag/