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 July 2022. For more information, please see Climatological Rankings.


Idaho

Average Temperature Rankings, December 1939

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Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Warmest/Coolest
Since
Record
December 1939
1-Month
31.8°F
(-0.1°C)
23.9°F
(-4.5°C)
7.9°F
(4.4°C)
125th Coolest Coolest since: 1938 1990
3rd Warmest Warmest since: 1933 1917
Nov–Dec 1939
2-Month
33.2°F
(0.7°C)
27.8°F
(-2.3°C)
5.4°F
(3.0°C)
125th Coolest Coolest since: 1938 1985
3rd Warmest Warmest since: 1933 1917
Oct–Dec 1939
3-Month
37.0°F
(2.8°C)
33.2°F
(0.7°C)
3.8°F
(2.1°C)
125th Coolest Coolest since: 1938 1985
3rd Warmest Warmest since: 1933 1917
Ties: 1999
Sep–Dec 1939
4-Month
41.8°F
(5.4°C)
38.6°F
(3.7°C)
3.2°F
(1.7°C)
125th Coolest Coolest since: 1938 1985
3rd Warmest Warmest since: 1937 1917
Ties: 1933
Aug–Dec 1939
5-Month
46.4°F
(8.0°C)
43.6°F
(6.4°C)
2.8°F
(1.6°C)
126th Coolest Coolest since: 1938 1985
2nd Warmest Warmest since: 1917 1917
Jul–Dec 1939
6-Month
49.7°F
(9.8°C)
47.2°F
(8.4°C)
2.5°F
(1.4°C)
122nd Coolest Coolest since: 1938 1985
6th Warmest Warmest since: 1933 1917
Ties: 1933
Jun–Dec 1939
7-Month
50.3°F
(10.2°C)
48.5°F
(9.2°C)
1.8°F
(1.0°C)
116th Coolest Coolest since: 1938 1985
12th Warmest Warmest since: 1937 2021
Ties: 1940, 1988, 2007
May–Dec 1939
8-Month
50.6°F
(10.3°C)
48.6°F
(9.2°C)
2.0°F
(1.1°C)
117th Coolest Coolest since: 1938 1916
11th Warmest Warmest since: 1937 2021
Apr–Dec 1939
9-Month
49.9°F
(9.9°C)
47.8°F
(8.8°C)
2.1°F
(1.1°C)
122nd Coolest Coolest since: 1938 1916
6th Warmest Warmest since: 1934 2021
Ties: 2014
Mar–Dec 1939
10-Month
48.2°F
(9.0°C)
46.2°F
(7.9°C)
2.0°F
(1.1°C)
114th Coolest Coolest since: 1938 1916, 1985
14th Warmest Warmest since: 1934 1934
Feb–Dec 1939
11-Month
45.7°F
(7.6°C)
44.4°F
(6.9°C)
1.3°F
(0.7°C)
104th Coolest Coolest since: 1938 1985
24th Warmest Warmest since: 1934 1934
Ties: 1910, 1981, 1986, 1994, 2006
Jan–Dec 1939
12-Month
44.1°F
(6.7°C)
42.6°F
(5.9°C)
1.5°F
(0.8°C)
103rd Coolest Coolest since: 1938 1985
25th Warmest Warmest since: 1934 1934
Ties: 1925, 1986
Jul 1938–Dec 1939
18-Month
45.3°F
(7.4°C)
44.1°F
(6.7°C)
1.2°F
(0.7°C)
103rd Coolest Coolest since: 1937 1985
24th Warmest Warmest since: 1938 1934
Ties: 1941, 1953, 1958, 2020
Jan 1938–Dec 1939
24-Month
43.7°F
(6.5°C)
42.5°F
(5.8°C)
1.2°F
(0.7°C)
99th Coolest Coolest since: 1938 1985
28th Warmest Warmest since: 1935 2015, 2016
Ties: 1954, 2012, 2020
Jan 1937–Dec 1939
36-Month
43.2°F
(6.2°C)
42.6°F
(5.9°C)
0.6°F
(0.3°C)
87th Coolest Coolest since: 1938 1913
39th Warmest Warmest since: 1936 2016
Ties: 1963, 1967, 1991
Jan 1936–Dec 1939
48-Month
43.1°F
(6.2°C)
42.6°F
(5.9°C)
0.5°F
(0.3°C)
84th Coolest Coolest since: 1938 1985
41st Warmest Warmest since: 1937 2017
Ties: 1927, 1981, 1988
Jan 1935–Dec 1939
60-Month
42.8°F
(6.0°C)
42.5°F
(5.8°C)
0.3°F
(0.2°C)
73rd Coolest Coolest since: 1933 1913, 1916
51st Warmest Warmest since: 1938 2016, 2018
Ties: 1927, 1983

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2022, retrieved on August 13, 2022 from https://www.ncei.noaa.gov/cag/