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 2020

View Period (Months):All1234567891011121824364860
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
September 2020
1-Month
58.7°F
(14.8°C)
54.7°F
(12.6°C)
4.0°F
(2.2°C)
117th Coolest Coolest since: 2019 1912, 1965
11th Warmest Warmest since: 2011 1990
Aug–Sep 2020
2-Month
62.9°F
(17.2°C)
59.1°F
(15.1°C)
3.8°F
(2.1°C)
122nd Coolest Coolest since: 2019 1912
6th Warmest Warmest since: 2001 2001
Jul–Sep 2020
3-Month
63.6°F
(17.6°C)
61.2°F
(16.2°C)
2.4°F
(1.4°C)
116th Coolest Coolest since: 2019 1912
12th Warmest Warmest since: 2017 1998
Ties: 2014
Jun–Sep 2020
4-Month
61.7°F
(16.5°C)
60.0°F
(15.6°C)
1.7°F
(0.9°C)
106th Coolest Coolest since: 2019 1993
22nd Warmest Warmest since: 2018 2021
May–Sep 2020
5-Month
59.5°F
(15.3°C)
57.9°F
(14.4°C)
1.6°F
(0.9°C)
107th Coolest Coolest since: 2019 1912
21st Warmest Warmest since: 2018 2021
Apr–Sep 2020
6-Month
56.5°F
(13.6°C)
55.0°F
(12.8°C)
1.5°F
(0.8°C)
103rd Coolest Coolest since: 2019 1912
25th Warmest Warmest since: 2018 2021
Mar–Sep 2020
7-Month
53.5°F
(11.9°C)
51.9°F
(11.1°C)
1.6°F
(0.8°C)
105th Coolest Coolest since: 2019 1912
23rd Warmest Warmest since: 2018 1934, 2015
Ties: 1936, 1998
Feb–Sep 2020
8-Month
50.1°F
(10.1°C)
48.7°F
(9.3°C)
1.4°F
(0.8°C)
100th Coolest Coolest since: 2019 1964
28th Warmest Warmest since: 2018 1934, 2015
Ties: 1963, 2006
Jan–Sep 2020
9-Month
47.6°F
(8.7°C)
45.8°F
(7.7°C)
1.8°F
(1.0°C)
110th Coolest Coolest since: 2019 1917
18th Warmest Warmest since: 2018 1934
Ties: 1987, 2001, 2006
Dec 2019–Sep 2020
10-Month
45.5°F
(7.5°C)
43.6°F
(6.4°C)
1.9°F
(1.1°C)
112th Coolest Coolest since: 2019 1917
15th Warmest Warmest since: 2018 1934
Ties: 1926, 1998
Nov 2019–Sep 2020
11-Month
44.4°F
(6.9°C)
42.4°F
(5.8°C)
2.0°F
(1.1°C)
111th Coolest Coolest since: 2019 1917
16th Warmest Warmest since: 2018 1934
Ties: 1998
Oct 2019–Sep 2020
12-Month
43.8°F
(6.6°C)
42.6°F
(5.9°C)
1.2°F
(0.7°C)
96th Coolest Coolest since: 2019 1917
31st Warmest Warmest since: 2018 1934
Ties: 1900, 1954, 2009
Apr 2019–Sep 2020
18-Month
47.9°F
(8.8°C)
46.8°F
(8.2°C)
1.1°F
(0.6°C)
102nd Coolest Coolest since: 2019 1917
25th Warmest Warmest since: 2019 2015
Ties: 1981, 2001, 2012, 2019
Oct 2018–Sep 2020
24-Month
43.5°F
(6.4°C)
42.6°F
(5.9°C)
0.9°F
(0.5°C)
95th Coolest Coolest since: 2011 1917
31st Warmest Warmest since: 2019 2016
Ties: 1926, 1959, 1989, 1991, 1999, 2008
Oct 2017–Sep 2020
36-Month
43.9°F
(6.6°C)
42.6°F
(5.9°C)
1.3°F
(0.7°C)
108th Coolest Coolest since: 2013 1917
17th Warmest Warmest since: 2019 2017
Ties: 1990, 2002, 2003, 2013
Oct 2016–Sep 2020
48-Month
44.0°F
(6.7°C)
42.5°F
(5.8°C)
1.5°F
(0.9°C)
112th Coolest Coolest since: 2014 1913, 1917, 1932
12th Warmest Warmest since: 2019 2018
Ties: 1990, 2001, 2014
Oct 2015–Sep 2020
60-Month
44.3°F
(6.8°C)
42.6°F
(5.9°C)
1.7°F
(0.9°C)
116th Coolest Coolest since: 2014 1917, 1933
7th Warmest Warmest since: 2019 2016, 2017, 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published October 2021, retrieved on October 25, 2021 from https://www.ncdc.noaa.gov/cag/