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 December 2020. For more information, please see Climatological Rankings.


Delaware

Average Temperature Rankings, December 1990

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  • Record Warmest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
December 1990
1-Month
42.7°F
(5.9°C)
36.2°F
(2.3°C)
6.5°F
(3.6°C)
116th Coolest Coolest since: 1989 1989
11th Warmest Warmest since: 1984 2015
Ties: 1931
Nov–Dec 1990
2-Month
45.8°F
(7.7°C)
40.9°F
(4.9°C)
4.9°F
(2.8°C)
117th Coolest Coolest since: 1989 1917
10th Warmest Warmest since: 1982 2015
Oct–Dec 1990
3-Month
50.8°F
(10.4°C)
46.1°F
(7.8°C)
4.7°F
(2.6°C)
123rd Coolest Coolest since: 1989 1917
4th Warmest Warmest since: 1931 2015
Sep–Dec 1990
4-Month
54.6°F
(12.6°C)
51.4°F
(10.8°C)
3.2°F
(1.8°C)
117th Coolest Coolest since: 1989 1917
10th Warmest Warmest since: 1971 2015
Ties: 1941
Aug–Dec 1990
5-Month
58.5°F
(14.7°C)
55.9°F
(13.3°C)
2.6°F
(1.4°C)
113th Coolest Coolest since: 1989 1917
14th Warmest Warmest since: 1971 2015
Ties: 1971, 1999, 2012
Jul–Dec 1990
6-Month
61.6°F
(16.4°C)
59.2°F
(15.1°C)
2.4°F
(1.3°C)
113th Coolest Coolest since: 1989 1917
14th Warmest Warmest since: 1931 2015
Ties: 2001
Jun–Dec 1990
7-Month
63.0°F
(17.2°C)
60.8°F
(16.0°C)
2.2°F
(1.2°C)
110th Coolest Coolest since: 1989 1917
17th Warmest Warmest since: 1931 2015
May–Dec 1990
8-Month
62.8°F
(17.1°C)
61.0°F
(16.1°C)
1.8°F
(1.0°C)
106th Coolest Coolest since: 1989 1917
21st Warmest Warmest since: 1959 2015
Apr–Dec 1990
9-Month
61.8°F
(16.6°C)
60.0°F
(15.6°C)
1.8°F
(1.0°C)
105th Coolest Coolest since: 1989 1917
22nd Warmest Warmest since: 1959 2015
Ties: 1994, 2013
Mar–Dec 1990
10-Month
60.3°F
(15.7°C)
58.3°F
(14.6°C)
2.0°F
(1.1°C)
111th Coolest Coolest since: 1989 1917
16th Warmest Warmest to Date 2012
Feb–Dec 1990
11-Month
58.6°F
(14.8°C)
56.1°F
(13.4°C)
2.5°F
(1.4°C)
114th Coolest Coolest since: 1989 1917
13th Warmest Warmest to Date 2012
Ties: 2015
Jan–Dec 1990
12-Month
57.2°F
(14.0°C)
54.2°F
(12.3°C)
3.0°F
(1.7°C)
118th Coolest Coolest since: 1989 1904
9th Warmest Warmest to Date 2012
Ties: 2002
Jul 1989–Dec 1990
18-Month
57.4°F
(14.1°C)
55.8°F
(13.2°C)
1.6°F
(0.9°C)
105th Coolest Coolest since: 1989 1904
21st Warmest Warmest since: 1949 2012
Jan 1989–Dec 1990
24-Month
55.7°F
(13.2°C)
54.2°F
(12.3°C)
1.5°F
(0.9°C)
106th Coolest Coolest since: 1989 1905
20th Warmest Warmest to Date 2012
Jan 1988–Dec 1990
36-Month
55.2°F
(12.9°C)
54.2°F
(12.3°C)
1.0°F
(0.6°C)
98th Coolest Coolest since: 1989 1905
27th Warmest Warmest since: 1975 2020
Ties: 1933, 1953, 1955, 1975, 1993
Jan 1987–Dec 1990
48-Month
55.1°F
(12.8°C)
54.2°F
(12.3°C)
0.9°F
(0.5°C)
94th Coolest Coolest since: 1989 1907
30th Warmest Warmest since: 1955 2020
Ties: 1933
Jan 1986–Dec 1990
60-Month
55.1°F
(12.8°C)
54.2°F
(12.3°C)
0.9°F
(0.5°C)
93rd Coolest Coolest since: 1989 1905
30th Warmest Warmest since: 1955 2020
Ties: 1955

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published January 2021, retrieved on January 26, 2021 from https://www.ncdc.noaa.gov/cag/