Climate at a Glance

City 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 September 2020. For more information, please see Climatological Rankings.


Wilmington, Delaware

Average Temperature Rankings, June 1978

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  • Record Warmest
Period Value 1981-2010
Mean
Anomaly Rank
(1895-2020)
Warmest/Coolest
Since
Record
June 1978
1-Month
70.5°F
(21.4°C)
71.8°F
(22.1°C)
-1.3°F
(-0.7°C)
19th Coolest Coolest since: 1977 1979
55th Warmest Warmest since: 1976 2010
Ties: 1948, 2009
May–Jun 1978
2-Month
65.3°F
(18.5°C)
67.1°F
(19.5°C)
-1.8°F
(-1.0°C)
11th Coolest Coolest since: 1972 1967
63rd Warmest Warmest since: 1977 2010
Ties: 1979
Apr–Jun 1978
3-Month
60.3°F
(15.7°C)
62.3°F
(16.8°C)
-2.0°F
(-1.1°C)
9th Coolest Coolest since: 1972 1950, 1967
65th Warmest Warmest since: 1977 2010
Ties: 1956, 1979
Mar–Jun 1978
4-Month
54.6°F
(12.6°C)
57.4°F
(14.1°C)
-2.8°F
(-1.5°C)
4th Coolest Coolest since: 1972 1950
68th Warmest Warmest since: 1977 2010
Feb–Jun 1978
5-Month
48.2°F
(9.0°C)
52.9°F
(11.6°C)
-4.7°F
(-2.6°C)
1st Coolest Coolest to Date 1978
71st Warmest Warmest since: 1977 2012
Jan–Jun 1978
6-Month
44.7°F
(7.1°C)
49.4°F
(9.7°C)
-4.7°F
(-2.6°C)
1st Coolest Coolest to Date 1978
71st Warmest Warmest since: 1977 2012
Dec 1977–Jun 1978
7-Month
43.1°F
(6.2°C)
47.6°F
(8.7°C)
-4.5°F
(-2.5°C)
1st Coolest Coolest to Date 1978
70th Warmest Warmest since: 1977 2012
Nov 1977–Jun 1978
8-Month
43.5°F
(6.4°C)
47.4°F
(8.6°C)
-3.9°F
(-2.2°C)
1st Coolest Coolest to Date 1978
69th Warmest Warmest since: 1977 2012
Oct 1977–Jun 1978
9-Month
44.6°F
(7.0°C)
48.3°F
(9.1°C)
-3.7°F
(-2.1°C)
1st Coolest Coolest to Date 1978
69th Warmest Warmest since: 1977 2012
Sep 1977–Jun 1978
10-Month
47.1°F
(8.4°C)
50.2°F
(10.1°C)
-3.1°F
(-1.7°C)
1st Coolest Coolest to Date 1978
69th Warmest Warmest since: 1977 2012
Aug 1977–Jun 1978
11-Month
49.6°F
(9.8°C)
52.4°F
(11.3°C)
-2.8°F
(-1.5°C)
1st Coolest Coolest to Date 1978
69th Warmest Warmest since: 1977 2012, 2017
Jul 1977–Jun 1978
12-Month
51.9°F
(11.1°C)
54.5°F
(12.5°C)
-2.6°F
(-1.4°C)
3rd Coolest Coolest since: 1977 1963, 1977
67th Warmest Warmest since: 1976 2012
Jan 1977–Jun 1978
18-Month
50.6°F
(10.3°C)
52.8°F
(11.6°C)
-2.2°F
(-1.3°C)
3rd Coolest Coolest since: 1968 1979
65th Warmest Warmest since: 1977 2012, 2017
Ties: 1963
Jul 1976–Jun 1978
24-Month
51.8°F
(11.0°C)
54.4°F
(12.4°C)
-2.6°F
(-1.4°C)
1st Coolest Coolest to Date 1978
65th Warmest Warmest since: 1977 2017
Jul 1975–Jun 1978
36-Month
53.0°F
(11.7°C)
54.4°F
(12.4°C)
-1.4°F
(-0.7°C)
8th Coolest Coolest since: 1970 1979
54th Warmest Warmest since: 1977 2018
Ties: 1964, 1969
Jul 1974–Jun 1978
48-Month
53.3°F
(11.8°C)
54.4°F
(12.4°C)
-1.1°F
(-0.6°C)
15th Coolest Coolest since: 1971 1980
43rd Warmest Warmest since: 1977 2019, 2020
Jul 1973–Jun 1978
60-Month
53.7°F
(12.1°C)
54.4°F
(12.4°C)
-0.7°F
(-0.3°C)
21st Coolest Coolest since: 1973 1967
34th Warmest Warmest since: 1977 2020
Ties: 1960

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: City Time Series, published October 2020, retrieved on October 29, 2020 from https://www.ncdc.noaa.gov/cag/