Statewide Rankings

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

California

Average Temperature Rankings, December 2020

View Period (Months):
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  • Record Coolest
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  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Warmest/Coolest
Since
Record
December 2020
1-Month
45.5°F
(7.5°C)
43.1°F
(6.2°C)
2.4°F
(1.3°C)
108th Coolest
Coolest since:
1932, 1990
21st Warmest
Warmest since:
1958
Ties: 1962
Nov–Dec 2020
2-Month
48.2°F
(9.0°C)
46.3°F
(7.9°C)
1.9°F
(1.1°C)
107th Coolest
Coolest since:
1994
22nd Warmest
Warmest since:
1995
Ties: 2002
Oct–Dec 2020
3-Month
54.2°F
(12.3°C)
50.7°F
(10.4°C)
3.5°F
(1.9°C)
124th Coolest
Coolest since:
1916
5th Warmest
Warmest since:
1995, 2014
Ties: 1958
Sep–Dec 2020
4-Month
59.2°F
(15.1°C)
55.2°F
(12.9°C)
4.0°F
(2.2°C)
128th Coolest
Coolest since:
1916
1st Warmest
Warmest to Date
2020
Aug–Dec 2020
5-Month
63.1°F
(17.3°C)
58.9°F
(14.9°C)
4.2°F
(2.4°C)
128th Coolest
Coolest since:
1916
1st Warmest
Warmest to Date
2020
Jul–Dec 2020
6-Month
65.4°F
(18.6°C)
61.6°F
(16.4°C)
3.8°F
(2.2°C)
128th Coolest
Coolest since:
1916
1st Warmest
Warmest to Date
2020
Jun–Dec 2020
7-Month
66.1°F
(18.9°C)
62.5°F
(16.9°C)
3.6°F
(2.0°C)
128th Coolest
Coolest since:
1916
1st Warmest
Warmest to Date
2020
May–Dec 2020
8-Month
65.9°F
(18.8°C)
62.3°F
(16.8°C)
3.6°F
(2.0°C)
128th Coolest
Coolest since:
1916
1st Warmest
Warmest to Date
2020
Apr–Dec 2020
9-Month
64.9°F
(18.3°C)
61.4°F
(16.3°C)
3.5°F
(2.0°C)
128th Coolest
Coolest since:
1916
1st Warmest
Warmest since:
2014, 2020
Ties: 2014
Mar–Dec 2020
10-Month
63.2°F
(17.3°C)
60.1°F
(15.6°C)
3.1°F
(1.7°C)
126th Coolest
Coolest since:
1912
3rd Warmest
Warmest since:
2014
Feb–Dec 2020
11-Month
61.9°F
(16.6°C)
58.7°F
(14.8°C)
3.2°F
(1.8°C)
126th Coolest
Coolest since:
1911
3rd Warmest
Warmest since:
2014
Ties: 2015
Jan–Dec 2020
12-Month
60.5°F
(15.8°C)
57.4°F
(14.1°C)
3.1°F
(1.7°C)
126th Coolest
Coolest since:
1911
3rd Warmest
Warmest since:
2014
Jul 2019–Dec 2020
18-Month
61.3°F
(16.3°C)
58.7°F
(14.8°C)
2.6°F
(1.5°C)
122nd Coolest
Coolest since:
1912
6th Warmest
Warmest since:
2015
Ties: 2017
Jan 2019–Dec 2020
24-Month
59.5°F
(15.3°C)
57.4°F
(14.1°C)
2.1°F
(1.2°C)
120th Coolest
Coolest since:
1912
8th Warmest
Warmest since:
2015
Jan 2018–Dec 2020
36-Month
59.7°F
(15.4°C)
57.4°F
(14.1°C)
2.3°F
(1.3°C)
119th Coolest
Coolest since:
1913
8th Warmest
Warmest since:
2016
Jan 2017–Dec 2020
48-Month
59.8°F
(15.4°C)
57.3°F
(14.1°C)
2.5°F
(1.3°C)
121st Coolest
Coolest since:
1912, 1914
5th Warmest
Warmest since:
2017
Ties: 2019, 2021, 2022
Jan 2016–Dec 2020
60-Month
59.9°F
(15.5°C)
57.3°F
(14.1°C)
2.6°F
(1.4°C)
120th Coolest
Coolest since:
1912, 1913
5th Warmest
Warmest since:
2018
Ties: 2021, 2022

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