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 1940

View Period (Months):All1234567891011121824
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  • Record Warmest
Period Value 1981-2010
Mean
Amomaly Rank
(1938-2019)
Warmest/Coolest
Since
Record
April 1940
1-Month
43.1°F
(6.2°C)
44.3°F
(6.8°C)
-1.2°F
(-0.6°C)
32nd Coolest Coolest to Date 1975
50th Warmest Warmest since: 1939 1987
Ties: 2001
Mar–Apr 1940
2-Month
41.2°F
(5.1°C)
39.9°F
(4.4°C)
1.3°F
(0.7°C)
63rd Coolest Coolest since: 1939 1951
17th Warmest Warmest to Date 2015
Feb–Apr 1940
3-Month
36.0°F
(2.2°C)
35.7°F
(2.1°C)
0.3°F
(0.1°C)
50th Coolest Coolest since: 1939 1975
30th Warmest Warmest to Date 2016
Ties: 1986
Jan–Apr 1940
4-Month
30.4°F
(-0.9°C)
32.3°F
(0.2°C)
-1.9°F
(-1.1°C)
31st Coolest Coolest to Date 1949
49th Warmest Warmest since: 1939 2016
Ties: 1972
Dec 1939–Apr 1940
5-Month
30.5°F
(-0.8°C)
30.1°F
(-1.1°C)
0.4°F
(0.3°C)
49th Coolest Coolest to Date 1949
30th Warmest Warmest since: 1939 2016
Ties: 1963, 1966
Nov 1939–Apr 1940
6-Month
31.3°F
(-0.4°C)
30.5°F
(-0.8°C)
0.8°F
(0.4°C)
57th Coolest Coolest since: 1939 1979
22nd Warmest Warmest to Date 2000
Ties: 1967
Oct 1939–Apr 1940
7-Month
33.4°F
(0.8°C)
32.5°F
(0.3°C)
0.9°F
(0.5°C)
54th Coolest Coolest since: 1939 1949, 1979
24th Warmest Warmest to Date 2000
Ties: 1967
Sep 1939–Apr 1940
8-Month
36.4°F
(2.4°C)
35.6°F
(2.0°C)
0.8°F
(0.4°C)
54th Coolest Coolest to Date 1979
24th Warmest Warmest since: 1939 2016
Aug 1939–Apr 1940
9-Month
39.9°F
(4.4°C)
39.2°F
(4.0°C)
0.7°F
(0.4°C)
54th Coolest Coolest to Date 1979
24th Warmest Warmest since: 1939 2016
Ties: 1968
Jul 1939–Apr 1940
10-Month
43.0°F
(6.1°C)
42.2°F
(5.7°C)
0.8°F
(0.4°C)
58th Coolest Coolest since: 1939 1949
20th Warmest Warmest to Date 2016
Ties: 1995
Jun 1939–Apr 1940
11-Month
44.3°F
(6.8°C)
43.9°F
(6.6°C)
0.4°F
(0.2°C)
52nd Coolest Coolest to Date 1949
26th Warmest Warmest since: 1939 2016
Ties: 1974, 2018
May 1939–Apr 1940
12-Month
45.4°F
(7.4°C)
44.7°F
(7.1°C)
0.7°F
(0.3°C)
57th Coolest Coolest since: 1939 1949
21st Warmest Warmest to Date 2016
Nov 1938–Apr 1940
18-Month
40.6°F
(4.8°C)
40.1°F
(4.5°C)
0.5°F
(0.3°C)
60th Coolest Coolest to Date 1952
15th Warmest Warmest to Date 2000, 2013
May 1938–Apr 1940
24-Month
45.3°F
(7.4°C)
44.9°F
(7.2°C)
0.4°F
(0.2°C)
58th Coolest Coolest to Date 1952
16th Warmest Warmest to Date 2017

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published August 2019, retrieved on August 21, 2019 from https://www.ncdc.noaa.gov/cag/