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


Helena, Montana

Average Temperature Rankings, January 1999

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
January 1999
1-Month
28.0°F
(-2.2°C)
23.1°F
(-4.9°C)
4.9°F
(2.7°C)
67th Coolest Coolest since: 1998 1949
16th Warmest Warmest since: 1994 1953
Ties: 1984
Dec 1998–Jan 1999
2-Month
25.7°F
(-3.5°C)
22.5°F
(-5.3°C)
3.2°F
(1.8°C)
59th Coolest Coolest since: 1998 1949
23rd Warmest Warmest since: 1994 1958
Nov 1998–Jan 1999
3-Month
28.7°F
(-1.8°C)
26.0°F
(-3.3°C)
2.7°F
(1.5°C)
63rd Coolest Coolest since: 1998 1979
19th Warmest Warmest since: 1994 2000
Oct 1998–Jan 1999
4-Month
33.1°F
(0.6°C)
30.7°F
(-0.7°C)
2.4°F
(1.3°C)
64th Coolest Coolest since: 1998 1979
17th Warmest Warmest since: 1994 2000
Ties: 1965
Sep 1998–Jan 1999
5-Month
39.2°F
(4.0°C)
36.1°F
(2.3°C)
3.1°F
(1.7°C)
74th Coolest Coolest since: 1998 1979
7th Warmest Warmest since: 1967 1967
Aug 1998–Jan 1999
6-Month
44.5°F
(6.9°C)
41.5°F
(5.3°C)
3.0°F
(1.6°C)
75th Coolest Coolest since: 1998 1986
6th Warmest Warmest since: 1967 2002
Ties: 1939
Jul 1998–Jan 1999
7-Month
48.5°F
(9.2°C)
45.6°F
(7.6°C)
2.9°F
(1.6°C)
77th Coolest Coolest since: 1998 1979
4th Warmest Warmest since: 1967 2002
Ties: 2000
Jun 1998–Jan 1999
8-Month
49.6°F
(9.8°C)
47.7°F
(8.7°C)
1.9°F
(1.1°C)
70th Coolest Coolest since: 1998 1979
11th Warmest Warmest since: 1989 2002
May 1998–Jan 1999
9-Month
50.3°F
(10.2°C)
48.4°F
(9.1°C)
1.9°F
(1.1°C)
74th Coolest Coolest since: 1998 1979
7th Warmest Warmest since: 1989 2002
Apr 1998–Jan 1999
10-Month
49.9°F
(9.9°C)
48.1°F
(8.9°C)
1.8°F
(1.0°C)
75th Coolest Coolest since: 1998 1952
6th Warmest Warmest since: 1989 2002
Mar 1998–Jan 1999
11-Month
48.4°F
(9.1°C)
46.9°F
(8.3°C)
1.5°F
(0.8°C)
70th Coolest Coolest since: 1998 1952
9th Warmest Warmest since: 1995 2002
Ties: 1940, 1958, 1964, 2000
Feb 1998–Jan 1999
12-Month
47.0°F
(8.3°C)
45.3°F
(7.4°C)
1.7°F
(0.9°C)
71st Coolest Coolest since: 1998 1952
8th Warmest Warmest since: 1989 2016
Aug 1997–Jan 1999
18-Month
45.3°F
(7.4°C)
44.0°F
(6.7°C)
1.3°F
(0.7°C)
66th Coolest Coolest since: 1998 1950, 1952, 1986
11th Warmest Warmest since: 1989 2000
Feb 1997–Jan 1999
24-Month
46.1°F
(7.8°C)
45.3°F
(7.4°C)
0.8°F
(0.4°C)
61st Coolest Coolest since: 1998 1950
14th Warmest Warmest since: 1993 2017
Ties: 1962, 1993, 2001, 2007
Feb 1996–Jan 1999
36-Month
44.9°F
(7.2°C)
45.4°F
(7.4°C)
-0.5°F
(-0.2°C)
28th Coolest Coolest since: 1998 1952
43rd Warmest Warmest since: 1995 2018
Ties: 1961, 1970
Feb 1995–Jan 1999
48-Month
44.7°F
(7.1°C)
45.4°F
(7.4°C)
-0.7°F
(-0.3°C)
21st Coolest Coolest since: 1998 1952
46th Warmest Warmest since: 1996 2002, 2019
Ties: 1960
Feb 1994–Jan 1999
60-Month
45.0°F
(7.2°C)
45.3°F
(7.4°C)
-0.3°F
(-0.2°C)
25th Coolest Coolest since: 1998 1953
38th Warmest Warmest since: 1996 2002
Ties: 1948, 1975, 1977

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published June 2021, retrieved on June 21, 2021 from https://www.ncdc.noaa.gov/cag/