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 February 2021. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, December 2020

View Period (Months):All1234567891011121824364860
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  • Record Coolest
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  • Top 1/3
  • Top 1/10
  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 2020
1-Month
40.0°F
(4.4°C)
36.2°F
(2.3°C)
3.8°F
(2.1°C)
103rd Coolest Coolest since: 2019 1989
24th Warmest Warmest since: 2019 2015
Ties: 1940, 2019
Nov–Dec 2020
2-Month
46.0°F
(7.8°C)
41.0°F
(5.0°C)
5.0°F
(2.8°C)
120th Coolest Coolest since: 2019 1917
7th Warmest Warmest since: 2015 2015
Ties: 1999
Oct–Dec 2020
3-Month
50.7°F
(10.4°C)
46.1°F
(7.8°C)
4.6°F
(2.6°C)
122nd Coolest Coolest since: 2019 1917
5th Warmest Warmest since: 2015 2015
Sep–Dec 2020
4-Month
55.2°F
(12.9°C)
51.4°F
(10.8°C)
3.8°F
(2.1°C)
123rd Coolest Coolest since: 2019 1917
4th Warmest Warmest since: 2018 2015
Ties: 2018
Aug–Dec 2020
5-Month
59.7°F
(15.4°C)
55.9°F
(13.3°C)
3.8°F
(2.1°C)
122nd Coolest Coolest since: 2019 1917
5th Warmest Warmest since: 2018 2015
Jul–Dec 2020
6-Month
63.2°F
(17.3°C)
59.2°F
(15.1°C)
4.0°F
(2.2°C)
125th Coolest Coolest since: 2019 1917
2nd Warmest Warmest since: 2015 2015
Jun–Dec 2020
7-Month
64.7°F
(18.2°C)
60.8°F
(16.0°C)
3.9°F
(2.2°C)
125th Coolest Coolest since: 2019 1917
2nd Warmest Warmest since: 2015 2015
May–Dec 2020
8-Month
64.2°F
(17.9°C)
60.9°F
(16.1°C)
3.3°F
(1.8°C)
123rd Coolest Coolest since: 2019 1917
4th Warmest Warmest since: 2019 2015
Ties: 2012, 2019
Apr–Dec 2020
9-Month
62.9°F
(17.2°C)
60.0°F
(15.6°C)
2.9°F
(1.6°C)
120th Coolest Coolest since: 2017 1917
7th Warmest Warmest since: 2019 2015
Ties: 2016
Mar–Dec 2020
10-Month
61.5°F
(16.4°C)
58.2°F
(14.6°C)
3.3°F
(1.8°C)
121st Coolest Coolest since: 2018 1917
6th Warmest Warmest since: 2019 2012
Ties: 2010
Feb–Dec 2020
11-Month
59.8°F
(15.4°C)
56.1°F
(13.4°C)
3.7°F
(2.0°C)
124th Coolest Coolest since: 2019 1917
3rd Warmest Warmest since: 2012 2012
Jan–Dec 2020
12-Month
58.1°F
(14.5°C)
54.1°F
(12.3°C)
4.0°F
(2.2°C)
125th Coolest Coolest since: 2019 1904
2nd Warmest Warmest since: 2012 2012
Jul 2019–Dec 2020
18-Month
59.5°F
(15.3°C)
55.9°F
(13.3°C)
3.6°F
(2.0°C)
124th Coolest Coolest since: 2019 1904
2nd Warmest Warmest since: 2017 2012
Ties: 2016, 2017
Jan 2019–Dec 2020
24-Month
57.8°F
(14.3°C)
54.2°F
(12.3°C)
3.6°F
(2.0°C)
124th Coolest Coolest since: 2019 1905
2nd Warmest Warmest since: 2012 2012
Jan 2018–Dec 2020
36-Month
57.6°F
(14.2°C)
54.2°F
(12.3°C)
3.4°F
(1.9°C)
124th Coolest Coolest since: 2019 1905
1st Warmest Warmest to Date 2020
Jan 2017–Dec 2020
48-Month
57.6°F
(14.2°C)
54.2°F
(12.3°C)
3.4°F
(1.9°C)
123rd Coolest Coolest since: 2019 1907
1st Warmest Warmest to Date 2020
Jan 2016–Dec 2020
60-Month
57.5°F
(14.2°C)
54.1°F
(12.3°C)
3.4°F
(1.9°C)
122nd Coolest Coolest since: 2019 1905
1st Warmest Warmest to Date 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published March 2021, retrieved on March 8, 2021 from https://www.ncdc.noaa.gov/cag/