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


Delaware

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
41.4°F
(5.2°C)
36.2°F
(2.3°C)
5.2°F
(2.9°C)
111th Coolest Coolest since: 2017 1989
16th Warmest Warmest since: 2015 2015
Nov–Dec 2018
2-Month
43.6°F
(6.4°C)
41.0°F
(5.0°C)
2.6°F
(1.4°C)
100th Coolest Coolest since: 2017 1917
27th Warmest Warmest since: 2016 2015
Ties: 1941
Oct–Dec 2018
3-Month
49.1°F
(9.5°C)
46.1°F
(7.8°C)
3.0°F
(1.7°C)
111th Coolest Coolest since: 2017 1917
16th Warmest Warmest since: 2016 2015
Ties: 1946, 1956, 1975
Sep–Dec 2018
4-Month
55.2°F
(12.9°C)
51.4°F
(10.8°C)
3.8°F
(2.1°C)
123rd Coolest Coolest since: 2017 1917
4th Warmest Warmest since: 2015 2015
Ties: 2020
Aug–Dec 2018
5-Month
59.9°F
(15.5°C)
55.9°F
(13.3°C)
4.0°F
(2.2°C)
125th Coolest Coolest since: 2017 1917
2nd Warmest Warmest since: 2015 2015
Jul–Dec 2018
6-Month
62.8°F
(17.1°C)
59.2°F
(15.1°C)
3.6°F
(2.0°C)
122nd Coolest Coolest since: 2017 1917
5th Warmest Warmest since: 2016 2015
Ties: 1931
Jun–Dec 2018
7-Month
64.2°F
(17.9°C)
60.8°F
(16.0°C)
3.4°F
(1.9°C)
122nd Coolest Coolest since: 2017 1917
5th Warmest Warmest since: 2016 2015
May–Dec 2018
8-Month
64.7°F
(18.2°C)
61.0°F
(16.1°C)
3.7°F
(2.1°C)
124th Coolest Coolest since: 2017 1917
3rd Warmest Warmest since: 2015 2015
Apr–Dec 2018
9-Month
63.2°F
(17.3°C)
59.9°F
(15.5°C)
3.3°F
(1.8°C)
123rd Coolest Coolest since: 2017 1917
4th Warmest Warmest since: 2015 2015
Ties: 2012
Mar–Dec 2018
10-Month
61.0°F
(16.1°C)
58.3°F
(14.6°C)
2.7°F
(1.5°C)
119th Coolest Coolest since: 2017 1917
8th Warmest Warmest since: 2016 2012
Feb–Dec 2018
11-Month
59.4°F
(15.2°C)
56.1°F
(13.4°C)
3.3°F
(1.8°C)
121st Coolest Coolest since: 2017 1917
6th Warmest Warmest since: 2016 2012
Jan–Dec 2018
12-Month
57.1°F
(13.9°C)
54.1°F
(12.3°C)
3.0°F
(1.6°C)
116th Coolest Coolest since: 2015 1904
11th Warmest Warmest since: 2017 2012
Jul 2017–Dec 2018
18-Month
58.5°F
(14.7°C)
55.8°F
(13.2°C)
2.7°F
(1.5°C)
117th Coolest Coolest since: 2015 1904
9th Warmest Warmest since: 2017 2012
Ties: 1991
Jan 2017–Dec 2018
24-Month
57.4°F
(14.1°C)
54.2°F
(12.3°C)
3.2°F
(1.8°C)
122nd Coolest Coolest since: 2016 1905
4th Warmest Warmest since: 2017 2012
Jan 2016–Dec 2018
36-Month
57.4°F
(14.1°C)
54.2°F
(12.3°C)
3.2°F
(1.8°C)
122nd Coolest Coolest since: 2017 1905
3rd Warmest Warmest since: 2012 2020
Ties: 2019
Jan 2015–Dec 2018
48-Month
57.1°F
(13.9°C)
54.1°F
(12.3°C)
3.0°F
(1.6°C)
121st Coolest Coolest since: 2017 1907
3rd Warmest Warmest since: 2013 2020
Ties: 2013
Jan 2014–Dec 2018
60-Month
56.7°F
(13.7°C)
54.2°F
(12.3°C)
2.5°F
(1.4°C)
118th Coolest Coolest since: 2017 1905
5th Warmest Warmest since: 2013 2020

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published May 2021, retrieved on May 15, 2021 from https://www.ncdc.noaa.gov/cag/