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 October 2019. For more information, please see Climatological Rankings.


Helena, Montana

Average Temperature Rankings, March 1939

View Period (Months):All123456789101112
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Period Value 1981-2010
Mean
Anomaly Rank
(1938-2019)
Warmest/Coolest
Since
Record
March 1939
1-Month
35.7°F
(2.1°C)
35.9°F
(2.2°C)
-0.2°F
(-0.1°C)
45th Coolest Coolest to Date 2019
35th Warmest Warmest to Date 2015
Feb–Mar 1939
2-Month
27.4°F
(-2.6°C)
31.7°F
(-0.2°C)
-4.3°F
(-2.4°C)
20th Coolest Coolest to Date 2019
60th Warmest Warmest to Date 2015
Ties: 1962
Jan–Mar 1939
3-Month
28.2°F
(-2.1°C)
28.8°F
(-1.8°C)
-0.6°F
(-0.3°C)
44th Coolest Coolest to Date 1949
36th Warmest Warmest to Date 1983
Ties: 1970, 2004
Dec 1938–Mar 1939
4-Month
28.0°F
(-2.2°C)
27.0°F
(-2.8°C)
1.0°F
(0.6°C)
51st Coolest Coolest to Date 1949
28th Warmest Warmest to Date 1983
Ties: 1954, 1970, 2004
Nov 1938–Mar 1939
5-Month
28.4°F
(-2.0°C)
28.1°F
(-2.2°C)
0.3°F
(0.2°C)
43rd Coolest Coolest to Date 1949
36th Warmest Warmest to Date 2000
Ties: 1987
Oct 1938–Mar 1939
6-Month
31.3°F
(-0.4°C)
30.9°F
(-0.6°C)
0.4°F
(0.2°C)
43rd Coolest Coolest to Date 1949
35th Warmest Warmest to Date 2000
Ties: 1987
Sep 1938–Mar 1939
7-Month
36.0°F
(2.2°C)
34.7°F
(1.5°C)
1.3°F
(0.7°C)
55th Coolest Coolest to Date 1949
23rd Warmest Warmest to Date 2016
Aug 1938–Mar 1939
8-Month
39.9°F
(4.4°C)
38.9°F
(3.8°C)
1.0°F
(0.6°C)
53rd Coolest Coolest to Date 1949
25th Warmest Warmest to Date 2016
Jul 1938–Mar 1939
9-Month
43.1°F
(6.2°C)
42.3°F
(5.7°C)
0.8°F
(0.5°C)
52nd Coolest Coolest to Date 1949
26th Warmest Warmest to Date 2016
Ties: 1963, 1970
Jun 1938–Mar 1939
10-Month
45.1°F
(7.3°C)
44.3°F
(6.8°C)
0.8°F
(0.5°C)
53rd Coolest Coolest to Date 1949
25th Warmest Warmest to Date 2016
May 1938–Mar 1939
11-Month
45.8°F
(7.7°C)
45.2°F
(7.3°C)
0.6°F
(0.4°C)
53rd Coolest Coolest to Date 1949
25th Warmest Warmest to Date 2016
Ties: 1970, 1974, 2006
Apr 1938–Mar 1939
12-Month
45.8°F
(7.7°C)
45.2°F
(7.3°C)
0.6°F
(0.4°C)
52nd Coolest Coolest to Date 1949, 1952
26th Warmest Warmest to Date 2016
Ties: 2017

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published November 2019, retrieved on December 5, 2019 from https://www.ncdc.noaa.gov/cag/