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 August 2022. For more information, please see Climatological Rankings.
Delaware
Average Temperature Rankings, September 2020
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
September 2020 1-Month |
68.7°F (20.4°C) | 67.4°F (19.7°C) |
1.3°F (0.7°C) | 87th Coolest | Coolest since: 2013 | 1917 |
| 41st Warmest | Warmest since: 2019 | 2018 | ||||
| Ties: 1942, 1989 | ||||||
|
Aug–Sep 2020 2-Month |
72.9°F (22.7°C) | 70.5°F (21.4°C) |
2.4°F (1.3°C) | 108th Coolest | Coolest since: 2017 | 1927, 1963 |
| 20th Warmest | Warmest since: 2019 | 2018 | ||||
| Ties: 1898, 1930, 1970, 2003 | ||||||
|
Jul–Sep 2020 3-Month |
75.5°F (24.2°C) | 72.2°F (22.3°C) |
3.3°F (1.9°C) | 120th Coolest | Coolest since: 2017 | 1909 |
| 8th Warmest | Warmest since: 2019 | 2016 | ||||
|
Jun–Sep 2020 4-Month |
75.1°F (23.9°C) | 71.9°F (22.2°C) |
3.2°F (1.7°C) | 122nd Coolest | Coolest since: 2017 | 1927 |
| 6th Warmest | Warmest since: 2019 | 2010 | ||||
| Ties: 2005 | ||||||
|
May–Sep 2020 5-Month |
72.2°F (22.3°C) | 69.9°F (21.1°C) |
2.3°F (1.2°C) | 117th Coolest | Coolest since: 2017 | 1924, 1927 |
| 11th Warmest | Warmest since: 2019 | 2010 | ||||
| Ties: 1991 | ||||||
|
Apr–Sep 2020 6-Month |
68.8°F (20.4°C) | 66.9°F (19.4°C) |
1.9°F (1.0°C) | 111th Coolest | Coolest since: 2014 | 1907 |
| 17th Warmest | Warmest since: 2019 | 2010 | ||||
| Ties: 1980, 2005 | ||||||
|
Mar–Sep 2020 7-Month |
66.0°F (18.9°C) | 63.4°F (17.4°C) |
2.6°F (1.5°C) | 118th Coolest | Coolest since: 2017 | 1924 |
| 10th Warmest | Warmest since: 2019 | 2010 | ||||
| Ties: 1991, 2017 | ||||||
|
Feb–Sep 2020 8-Month |
63.0°F (17.2°C) | 59.8°F (15.4°C) |
3.2°F (1.8°C) | 119th Coolest | Coolest since: 2015 | 1907 |
| 9th Warmest | Warmest since: 2019 | 2012 | ||||
|
Jan–Sep 2020 9-Month |
60.5°F (15.8°C) | 56.9°F (13.8°C) |
3.6°F (2.0°C) | 124th Coolest | Coolest since: 2019 | 1940 |
| 4th Warmest | Warmest since: 2019 | 2012 | ||||
| Ties: 2019 | ||||||
|
Dec 2019–Sep 2020 10-Month |
58.4°F (14.7°C) | 54.8°F (12.7°C) |
3.6°F (2.0°C) | 121st Coolest | Coolest since: 2018 | 1904 |
| 6th Warmest | Warmest since: 2019 | 2012 | ||||
|
Nov 2019–Sep 2020 11-Month |
57.1°F (13.9°C) | 54.0°F (12.2°C) |
3.1°F (1.7°C) | 119th Coolest | Coolest since: 2018 | 1904 |
| 8th Warmest | Warmest since: 2019 | 2012 | ||||
|
Oct 2019–Sep 2020 12-Month |
57.4°F (14.1°C) | 54.1°F (12.3°C) |
3.3°F (1.8°C) | 120th Coolest | Coolest since: 2018 | 1904 |
| 7th Warmest | Warmest since: 2019 | 2012 | ||||
|
Apr 2019–Sep 2020 18-Month |
62.0°F (16.7°C) | 58.4°F (14.7°C) |
3.6°F (2.0°C) | 124th Coolest | Coolest since: 2019 | 1904, 1918 |
| 3rd Warmest | Warmest since: 2016 | 2012 | ||||
|
Oct 2018–Sep 2020 24-Month |
57.5°F (14.2°C) | 54.1°F (12.3°C) |
3.4°F (1.9°C) | 123rd Coolest | Coolest since: 2019 | 1905 |
| 3rd Warmest | Warmest since: 2017 | 2017 | ||||
|
Oct 2017–Sep 2020 36-Month |
57.4°F (14.1°C) | 54.2°F (12.3°C) |
3.2°F (1.8°C) | 121st Coolest | Coolest since: 2017 | 1905, 1918 |
| 4th Warmest | Warmest since: 2019 | 2018 | ||||
| Ties: 2012 | ||||||
|
Oct 2016–Sep 2020 48-Month |
57.5°F (14.2°C) | 54.2°F (12.3°C) |
3.3°F (1.9°C) | 122nd Coolest | Coolest since: 2018 | 1905 |
| 2nd Warmest | Warmest since: 2019 | 2019 | ||||
|
Oct 2015–Sep 2020 60-Month |
57.6°F (14.2°C) | 54.1°F (12.3°C) |
3.5°F (1.9°C) | 122nd Coolest | Coolest since: 2019 | 1908 |
| 1st Warmest | Warmest to Date | 2020 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, Average Temperature, published September 2022, retrieved on October 5, 2022 from https://www.ncdc.noaa.gov/cag/