Climate at a Glance

Statewide 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.


Idaho

Average Temperature Rankings, September 1999

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 1999
1-Month
54.2°F
(12.3°C)
54.7°F
(12.6°C)
-0.5°F
(-0.3°C)
43rd Coolest Coolest since: 1996 1912, 1965
85th Warmest Warmest since: 1998 1990
Ties: 1992
Aug–Sep 1999
2-Month
59.8°F
(15.4°C)
59.1°F
(15.1°C)
0.7°F
(0.3°C)
78th Coolest Coolest since: 1996 1912
50th Warmest Warmest since: 1998 2001
Ties: 1906, 1915, 1987
Jul–Sep 1999
3-Month
61.1°F
(16.2°C)
61.1°F
(16.2°C)
0.0°F
(0.0°C)
53rd Coolest Coolest since: 1995 1912
75th Warmest Warmest since: 1998 1998
Ties: 1897, 2010
Jun–Sep 1999
4-Month
59.7°F
(15.4°C)
60.0°F
(15.6°C)
-0.3°F
(-0.2°C)
42nd Coolest Coolest since: 1995 1993
86th Warmest Warmest since: 1998 2021
Ties: 1932, 2010
May–Sep 1999
5-Month
57.1°F
(13.9°C)
57.9°F
(14.4°C)
-0.8°F
(-0.5°C)
26th Coolest Coolest since: 1995 1912
102nd Warmest Warmest since: 1998 2021
Ties: 1953, 1984, 1995
Apr–Sep 1999
6-Month
54.0°F
(12.2°C)
55.0°F
(12.8°C)
-1.0°F
(-0.6°C)
24th Coolest Coolest since: 1993 1912
104th Warmest Warmest since: 1998 2021
Ties: 1895, 1970, 1983, 1984
Mar–Sep 1999
7-Month
51.1°F
(10.6°C)
51.8°F
(11.0°C)
-0.7°F
(-0.4°C)
31st Coolest Coolest since: 1993 1912
97th Warmest Warmest since: 1998 1934, 2015
Ties: 1962, 1968
Feb–Sep 1999
8-Month
48.1°F
(8.9°C)
48.6°F
(9.2°C)
-0.5°F
(-0.3°C)
39th Coolest Coolest since: 1993 1964
89th Warmest Warmest since: 1998 1934, 2015
Jan–Sep 1999
9-Month
45.8°F
(7.7°C)
45.7°F
(7.6°C)
0.1°F
(0.1°C)
57th Coolest Coolest since: 1993 1917
71st Warmest Warmest since: 1998 1934
Ties: 1921, 1977
Dec 1998–Sep 1999
10-Month
43.5°F
(6.4°C)
43.6°F
(6.4°C)
-0.1°F
(0.0°C)
55th Coolest Coolest since: 1993 1917
72nd Warmest Warmest since: 1998 1934
Ties: 1896, 1904, 1935, 1951, 2002, 2010
Nov 1998–Sep 1999
11-Month
42.6°F
(5.9°C)
42.4°F
(5.8°C)
0.2°F
(0.1°C)
69th Coolest Coolest since: 1995 1917
58th Warmest Warmest since: 1998 1934
Ties: 1901, 1921, 1924, 1946, 1951, 1969, 1980, 1995, 2010
Oct 1998–Sep 1999
12-Month
42.7°F
(5.9°C)
42.6°F
(5.9°C)
0.1°F
(0.0°C)
60th Coolest Coolest since: 1995 1917
67th Warmest Warmest since: 1998 1934
Ties: 1896, 1902, 1915, 1970, 1983, 2011
Apr 1998–Sep 1999
18-Month
47.4°F
(8.6°C)
46.8°F
(8.2°C)
0.6°F
(0.4°C)
87th Coolest Coolest since: 1997 1917
40th Warmest Warmest since: 1998 2015
Ties: 1898, 1905, 1939, 1978, 1991, 1994, 2008, 2009
Oct 1997–Sep 1999
24-Month
43.5°F
(6.4°C)
42.6°F
(5.9°C)
0.9°F
(0.5°C)
95th Coolest Coolest since: 1997 1917
31st Warmest Warmest since: 1998 2016
Ties: 1926, 1959, 1989, 1991, 2008, 2020
Oct 1996–Sep 1999
36-Month
43.5°F
(6.4°C)
42.6°F
(5.9°C)
0.9°F
(0.5°C)
93rd Coolest Coolest since: 1997 1917
32nd Warmest Warmest since: 1998 2017
Oct 1995–Sep 1999
48-Month
43.5°F
(6.4°C)
42.6°F
(5.9°C)
0.9°F
(0.5°C)
101st Coolest Coolest since: 1998 1913, 1917, 1932
23rd Warmest Warmest since: 1997 2018
Ties: 1937, 1942, 1991, 1997, 2013
Oct 1994–Sep 1999
60-Month
43.3°F
(6.3°C)
42.6°F
(5.9°C)
0.7°F
(0.4°C)
93rd Coolest Coolest since: 1997 1917, 1933
30th Warmest Warmest since: 1998 2016, 2017, 2018
Ties: 1940, 1943

Citing This Page

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