Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska or Hawaii. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Idaho

December 2020 Average Temperature Rankings

View Period (Months):
  • Record Coolest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Warmest
PeriodValue
1901-2000
Mean		AnomalyRank
(1895-2025)
Coolest/Warmest
Since		Record
December 2020
1-Month
26.2°F
(-3.2°C)
23.9°F
(-4.5°C)
2.3°F95th Coolest
Coolest since:
1990
36th Warmest
Warmest since:
1917
Nov–Dec 2020
2-Month
29.5°F
(-1.4°C)
27.8°F
(-2.3°C)
1.7°F88th Coolest
Coolest since:
1985
43rd Warmest
Warmest since:
1917
Ties: 1977
Oct–Dec 2020
3-Month
34.8°F
(1.6°C)
33.2°F
(0.7°C)
1.6°F100th Coolest
Coolest since:
1985
31st Warmest
Warmest since:
1917
Ties: 1926, 1988
Sep–Dec 2020
4-Month
40.8°F
(4.9°C)
38.6°F
(3.7°C)
2.2°F115th Coolest
Coolest since:
1985
16th Warmest
Warmest since:
1917
Ties: 1987
Aug–Dec 2020
5-Month
46.0°F
(7.8°C)
43.6°F
(6.4°C)
2.4°F121st Coolest
Coolest since:
1985
10th Warmest
Warmest since:
2024
Ties: 1953, 2014
Jul–Dec 2020
6-Month
49.2°F
(9.6°C)
47.2°F
(8.4°C)
2.0°F116th Coolest
Coolest since:
1985
15th Warmest
Warmest since:
2024
Jun–Dec 2020
7-Month
50.2°F
(10.1°C)
48.5°F
(9.2°C)
1.7°F112th Coolest
Coolest since:
1985
19th Warmest
Warmest since:
2021
Ties: 1934
May–Dec 2020
8-Month
50.2°F
(10.1°C)
48.6°F
(9.2°C)
1.6°F111th Coolest
Coolest since:
1916
20th Warmest
Warmest since:
2021
Ties: 1988, 2013, 2018
Apr–Dec 2020
9-Month
49.3°F
(9.6°C)
47.8°F
(8.8°C)
1.5°F111th Coolest
Coolest since:
1916
20th Warmest
Warmest since:
2021
Ties: 1910, 1937, 2018
Mar–Dec 2020
10-Month
47.9°F
(8.8°C)
46.3°F
(7.9°C)
1.6°F113th Coolest
Coolest since:
1985
18th Warmest
Warmest since:
1934
Ties: 1992
Feb–Dec 2020
11-Month
45.9°F
(7.7°C)
44.5°F
(6.9°C)
1.4°F112th Coolest
Coolest since:
1985
19th Warmest
Warmest since:
1934
Ties: 1925, 1963
Jan–Dec 2020
12-Month
44.3°F
(6.8°C)
42.6°F
(5.9°C)
1.7°F116th Coolest
Coolest since:
1985
15th Warmest
Warmest since:
1934
Ties: 1981, 1994, 1998, 2017
Jul 2019–Dec 2020
18-Month
45.3°F
(7.4°C)
44.1°F
(6.7°C)
1.2°F103rd Coolest
Coolest since:
1985
27th Warmest
Warmest since:
1934
Ties: 1939, 1941, 1953, 1958
Jan 2019–Dec 2020
24-Month
43.7°F
(6.5°C)
42.6°F
(5.9°C)
1.1°F100th Coolest
Coolest since:
1985
30th Warmest
Warmest since:
2015, 2016
Jan 2018–Dec 2020
36-Month
43.9°F
(6.6°C)
42.6°F
(5.9°C)
1.3°F111th Coolest
Coolest since:
1913
18th Warmest
Warmest since:
2016
Ties: 1936, 1992, 2000, 2001, 2019
Jan 2017–Dec 2020
48-Month
44.0°F
(6.7°C)
42.6°F
(5.9°C)
1.4°F113th Coolest
Coolest since:
1985
15th Warmest
Warmest since:
2017
Ties: 1941, 2001, 2005
Jan 2016–Dec 2020
60-Month
44.2°F
(6.8°C)
42.6°F
(5.9°C)
1.6°F118th Coolest
Coolest since:
1913, 1916
9th Warmest
Warmest since:
2016, 2018

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