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 January 2021. For more information, please see Climatological Rankings.


Helena, Montana

Average Temperature Rankings, March 1940

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
March 1940
1-Month
39.6°F
(4.2°C)
35.9°F
(2.2°C)
3.7°F
(2.0°C)
67th Coolest Coolest since: 1939 2019
14th Warmest Warmest to Date 2015
Feb–Mar 1940
2-Month
32.6°F
(0.3°C)
31.6°F
(-0.2°C)
1.0°F
(0.5°C)
52nd Coolest Coolest since: 1939 2019
29th Warmest Warmest to Date 2015
Jan–Mar 1940
3-Month
26.4°F
(-3.1°C)
28.7°F
(-1.8°C)
-2.3°F
(-1.3°C)
30th Coolest Coolest to Date 1949
51st Warmest Warmest since: 1939 1983
Dec 1939–Mar 1940
4-Month
27.6°F
(-2.4°C)
27.0°F
(-2.8°C)
0.6°F
(0.4°C)
52nd Coolest Coolest since: 1939 1949
28th Warmest Warmest to Date 1983
Ties: 1963, 1988, 2005, 2008
Nov 1939–Mar 1940
5-Month
29.2°F
(-1.6°C)
28.1°F
(-2.2°C)
1.1°F
(0.6°C)
57th Coolest Coolest since: 1939 1949
23rd Warmest Warmest to Date 2000
Ties: 1976, 2009
Oct 1939–Mar 1940
6-Month
32.0°F
(0.0°C)
30.9°F
(-0.6°C)
1.1°F
(0.6°C)
57th Coolest Coolest since: 1939 1949
22nd Warmest Warmest to Date 2000
Sep 1939–Mar 1940
7-Month
35.7°F
(2.1°C)
34.7°F
(1.5°C)
1.0°F
(0.6°C)
57th Coolest Coolest since: 1939 1949
22nd Warmest Warmest to Date 2000
Ties: 1963
Aug 1939–Mar 1940
8-Month
39.7°F
(4.3°C)
38.9°F
(3.8°C)
0.8°F
(0.5°C)
55th Coolest Coolest since: 1939 1949
24th Warmest Warmest to Date 2000
Jul 1939–Mar 1940
9-Month
43.2°F
(6.2°C)
42.3°F
(5.7°C)
0.9°F
(0.5°C)
56th Coolest Coolest since: 1939 1949
23rd Warmest Warmest to Date 2016
Ties: 1953
Jun 1939–Mar 1940
10-Month
44.7°F
(7.1°C)
44.3°F
(6.8°C)
0.4°F
(0.3°C)
54th Coolest Coolest since: 1939 1949
25th Warmest Warmest to Date 2016
Ties: 2009
May 1939–Mar 1940
11-Month
45.9°F
(7.7°C)
45.2°F
(7.3°C)
0.7°F
(0.4°C)
60th Coolest Coolest since: 1939 1949
19th Warmest Warmest to Date 2016
Ties: 2006
Apr 1939–Mar 1940
12-Month
46.0°F
(7.8°C)
45.1°F
(7.3°C)
0.9°F
(0.5°C)
63rd Coolest Coolest since: 1939 1949, 1952, 1969
16th Warmest Warmest to Date 2016
Ties: 1953, 1961, 1990
Oct 1938–Mar 1940
18-Month
40.9°F
(4.9°C)
40.4°F
(4.7°C)
0.5°F
(0.2°C)
58th Coolest Coolest to Date 1952
17th Warmest Warmest to Date 2013
Ties: 1968
Apr 1938–Mar 1940
24-Month
45.5°F
(7.5°C)
45.1°F
(7.3°C)
0.4°F
(0.2°C)
61st Coolest Coolest to Date 1952
14th Warmest Warmest to Date 2000, 2017
Ties: 1988, 1989, 2005
Apr 1937–Mar 1940
36-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1951, 1952
-- -- 2008
Apr 1936–Mar 1940
48-Month
-- 0.0°F
(-17.8°C)
-- -- -- 1952
-- -- 2002
Apr 1935–Mar 1940
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 February 2021, retrieved on March 5, 2021 from https://www.ncdc.noaa.gov/cag/