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


Helena, Montana

Average Temperature Rankings, January 1999

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
January 1999
1-Month
28.1°F
(-2.2°C)
23.5°F
(-4.7°C)
4.6°F
(2.5°C)
66th Coolest Coolest since: 1998 1949, 1950
17th Warmest Warmest since: 1994 2006
Dec 1998–Jan 1999
2-Month
25.7°F
(-3.5°C)
22.9°F
(-5.1°C)
2.8°F
(1.6°C)
59th Coolest Coolest since: 1998 1949
23rd Warmest Warmest since: 1994 1958
Ties: 1965
Nov 1998–Jan 1999
3-Month
28.9°F
(-1.7°C)
26.3°F
(-3.2°C)
2.6°F
(1.5°C)
65th Coolest Coolest since: 1998 1979
17th Warmest Warmest since: 1994 2000
Oct 1998–Jan 1999
4-Month
33.4°F
(0.8°C)
31.2°F
(-0.4°C)
2.2°F
(1.2°C)
69th Coolest Coolest since: 1998 1979
12th Warmest Warmest since: 1994 2000
Ties: 1961, 1966
Sep 1998–Jan 1999
5-Month
39.6°F
(4.2°C)
36.5°F
(2.5°C)
3.1°F
(1.7°C)
75th Coolest Coolest since: 1998 1979
6th Warmest Warmest since: 1967 2002
Ties: 1939
Aug 1998–Jan 1999
6-Month
44.9°F
(7.2°C)
41.9°F
(5.5°C)
3.0°F
(1.7°C)
77th Coolest Coolest since: 1998 1986
4th Warmest Warmest to Date 2002
Jul 1998–Jan 1999
7-Month
48.9°F
(9.4°C)
46.0°F
(7.8°C)
2.9°F
(1.6°C)
78th Coolest Coolest since: 1998 1979
3rd Warmest Warmest to Date 2002
Jun 1998–Jan 1999
8-Month
50.1°F
(10.1°C)
48.1°F
(8.9°C)
2.0°F
(1.2°C)
74th Coolest Coolest since: 1998 1952
7th Warmest Warmest since: 1989 2002
May 1998–Jan 1999
9-Month
50.8°F
(10.4°C)
48.8°F
(9.3°C)
2.0°F
(1.1°C)
75th Coolest Coolest since: 1998 1952
6th Warmest Warmest since: 1989 2002
Apr 1998–Jan 1999
10-Month
50.3°F
(10.2°C)
48.5°F
(9.2°C)
1.8°F
(1.0°C)
76th Coolest Coolest since: 1998 1952
5th Warmest Warmest since: 1989 2002
Ties: 2021
Mar 1998–Jan 1999
11-Month
48.9°F
(9.4°C)
47.4°F
(8.6°C)
1.5°F
(0.8°C)
72nd Coolest Coolest since: 1998 1952
7th Warmest Warmest since: 1989 2002
Ties: 2000, 2007, 2021
Feb 1998–Jan 1999
12-Month
47.4°F
(8.6°C)
45.7°F
(7.6°C)
1.7°F
(1.0°C)
72nd Coolest Coolest since: 1998 1952
7th Warmest Warmest since: 1989 2016
Ties: 2013
Aug 1997–Jan 1999
18-Month
45.8°F
(7.7°C)
44.5°F
(6.9°C)
1.3°F
(0.8°C)
69th Coolest Coolest since: 1998 1950, 1952
8th Warmest Warmest since: 1989 2000
Ties: 1941
Feb 1997–Jan 1999
24-Month
46.5°F
(8.1°C)
45.7°F
(7.6°C)
0.8°F
(0.5°C)
64th Coolest Coolest since: 1998 1950
11th Warmest Warmest since: 1989 2017
Ties: 1941, 2006
Feb 1996–Jan 1999
36-Month
45.2°F
(7.3°C)
45.7°F
(7.6°C)
-0.5°F
(-0.3°C)
39th Coolest Coolest since: 1998 1952
32nd Warmest Warmest since: 1995 2018
Ties: 1966
Feb 1995–Jan 1999
48-Month
45.0°F
(7.2°C)
45.8°F
(7.7°C)
-0.8°F
(-0.5°C)
29th Coolest Coolest since: 1998 1952
38th Warmest Warmest since: 1996 2002
Ties: 1948, 1961, 1962, 1968, 1977
Feb 1994–Jan 1999
60-Month
45.3°F
(7.4°C)
45.8°F
(7.7°C)
-0.5°F
(-0.3°C)
38th Coolest Coolest since: 1998 1952, 1953
25th Warmest Warmest since: 1996 2002
Ties: 1964, 1966, 1989, 1990, 1994

Citing This Page

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