Climate at a Glance

Regional 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 March 2021. For more information, please see Climatological Rankings.


California River Basin

Average Temperature Rankings, December 2018

View Period (Months):All1234567891011121824364860
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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 2018
1-Month
44.8°F
(7.1°C)
43.1°F
(6.2°C)
1.7°F
(0.9°C)
96th Coolest Coolest since: 2016 1932, 1990
31st Warmest Warmest since: 2017 1958
Ties: 1973, 1975, 1989
Nov–Dec 2018
2-Month
48.7°F
(9.3°C)
46.3°F
(7.9°C)
2.4°F
(1.4°C)
112th Coolest Coolest since: 2016 1994
15th Warmest Warmest since: 2017 1995
Ties: 2019
Oct–Dec 2018
3-Month
52.8°F
(11.6°C)
50.8°F
(10.4°C)
2.0°F
(1.2°C)
112th Coolest Coolest since: 2016 1916
15th Warmest Warmest since: 2017 1995
Ties: 2005
Sep–Dec 2018
4-Month
57.4°F
(14.1°C)
55.2°F
(12.9°C)
2.2°F
(1.2°C)
117th Coolest Coolest since: 2016 1916
10th Warmest Warmest since: 2017 2020
Ties: 2008
Aug–Dec 2018
5-Month
61.2°F
(16.2°C)
58.9°F
(14.9°C)
2.3°F
(1.3°C)
120th Coolest Coolest since: 2016 1916
7th Warmest Warmest since: 2017 2020
Ties: 2008
Jul–Dec 2018
6-Month
64.2°F
(17.9°C)
61.5°F
(16.4°C)
2.7°F
(1.5°C)
123rd Coolest Coolest since: 2016 1916
4th Warmest Warmest since: 2017 2020
Ties: 1995
Jun–Dec 2018
7-Month
65.3°F
(18.5°C)
62.5°F
(16.9°C)
2.8°F
(1.6°C)
123rd Coolest Coolest since: 2016 1916
4th Warmest Warmest since: 2017 2020
May–Dec 2018
8-Month
65.0°F
(18.3°C)
62.3°F
(16.8°C)
2.7°F
(1.5°C)
123rd Coolest Coolest since: 2016 1916
4th Warmest Warmest since: 2017 2020
Apr–Dec 2018
9-Month
64.1°F
(17.8°C)
61.3°F
(16.3°C)
2.8°F
(1.5°C)
123rd Coolest Coolest since: 2016 1916
4th Warmest Warmest since: 2017 2014, 2020
Mar–Dec 2018
10-Month
62.6°F
(17.0°C)
60.1°F
(15.6°C)
2.5°F
(1.4°C)
122nd Coolest Coolest since: 2016 1912
5th Warmest Warmest since: 2017 2014
Feb–Dec 2018
11-Month
61.1°F
(16.2°C)
58.7°F
(14.8°C)
2.4°F
(1.4°C)
121st Coolest Coolest since: 2013 1911
6th Warmest Warmest since: 2017 2014
Jan–Dec 2018
12-Month
60.1°F
(15.6°C)
57.4°F
(14.1°C)
2.7°F
(1.5°C)
122nd Coolest Coolest since: 2016 1911
5th Warmest Warmest since: 2017 2014
Ties: 2016
Jul 2017–Dec 2018
18-Month
61.7°F
(16.5°C)
58.7°F
(14.8°C)
3.0°F
(1.7°C)
123rd Coolest Coolest since: 2017 1912
3rd Warmest Warmest since: 2015 2015
Jan 2017–Dec 2018
24-Month
60.2°F
(15.7°C)
57.3°F
(14.1°C)
2.9°F
(1.6°C)
122nd Coolest Coolest since: 2017 1912
4th Warmest Warmest since: 2017 2015
Ties: 2017
Jan 2016–Dec 2018
36-Month
60.2°F
(15.7°C)
57.4°F
(14.1°C)
2.8°F
(1.6°C)
121st Coolest Coolest since: 2014 1913
4th Warmest Warmest since: 2017 2016
Jan 2015–Dec 2018
48-Month
60.3°F
(15.7°C)
57.3°F
(14.1°C)
3.0°F
(1.6°C)
121st Coolest Coolest since: 2015 1912, 1914
3rd Warmest Warmest since: 2017 2017
Ties: 2015
Jan 2014–Dec 2018
60-Month
60.6°F
(15.9°C)
57.4°F
(14.1°C)
3.2°F
(1.8°C)
122nd Coolest Coolest since: 2017 1912
1st Warmest Warmest to Date 2018

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Regional Time Series, published April 2021, retrieved on April 13, 2021 from https://www.ncdc.noaa.gov/cag/