Climate at a Glance
National 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 October 2021. For more information, please see Climatological Rankings.
Contiguous U.S.
Average Temperature Rankings, December 2018
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2020) |
Warmest/Coolest Since |
Record |
|---|---|---|---|---|---|---|
|
December 2018 1-Month |
35.51°F (1.95°C) | 32.68°F (0.38°C) |
2.83°F (1.57°C) | 102nd Coolest | Coolest since: 2017 | 1983 |
| 25th Warmest | Warmest since: 2015 | 2015 | ||||
|
Nov–Dec 2018 2-Month |
37.76°F (3.20°C) | 37.19°F (2.88°C) |
0.57°F (0.32°C) | 71st Coolest | Coolest since: 2013 | 2000 |
| 56th Warmest | Warmest since: 2017 | 1999 | ||||
| Ties: 1907 | ||||||
|
Oct–Dec 2018 3-Month |
43.08°F (6.16°C) | 42.83°F (6.02°C) |
0.25°F (0.14°C) | 62nd Coolest | Coolest since: 2013 | 1898 |
| 65th Warmest | Warmest since: 2017 | 2015 | ||||
|
Sep–Dec 2018 4-Month |
49.19°F (9.55°C) | 48.34°F (9.08°C) |
0.85°F (0.47°C) | 91st Coolest | Coolest since: 2013 | 1976 |
| 36th Warmest | Warmest since: 2017 | 2015 | ||||
|
Aug–Dec 2018 5-Month |
54.05°F (12.25°C) | 53.09°F (11.72°C) |
0.96°F (0.53°C) | 98th Coolest | Coolest since: 2013 | 1976 |
| 29th Warmest | Warmest since: 2017 | 2015 | ||||
| Ties: 2004 | ||||||
|
Jul–Dec 2018 6-Month |
57.62°F (14.23°C) | 56.51°F (13.62°C) |
1.11°F (0.61°C) | 104th Coolest | Coolest since: 2014 | 1976 |
| 23rd Warmest | Warmest since: 2017 | 2015 | ||||
|
Jun–Dec 2018 7-Month |
59.61°F (15.34°C) | 58.22°F (14.57°C) |
1.39°F (0.77°C) | 110th Coolest | Coolest since: 2014 | 1976 |
| 17th Warmest | Warmest since: 2017 | 2015 | ||||
|
May–Dec 2018 8-Month |
60.35°F (15.75°C) | 58.47°F (14.71°C) |
1.88°F (1.04°C) | 119th Coolest | Coolest since: 2017 | 1976 |
| 8th Warmest | Warmest since: 2016 | 2015 | ||||
|
Apr–Dec 2018 9-Month |
59.09°F (15.05°C) | 57.64°F (14.24°C) |
1.45°F (0.81°C) | 113th Coolest | Coolest since: 2014 | 1917 |
| 14th Warmest | Warmest since: 2017 | 2015 | ||||
|
Mar–Dec 2018 10-Month |
57.46°F (14.14°C) | 56.04°F (13.36°C) |
1.42°F (0.78°C) | 114th Coolest | Coolest since: 2014 | 1917 |
| 13th Warmest | Warmest since: 2017 | 2012 | ||||
|
Feb–Dec 2018 11-Month |
55.46°F (13.03°C) | 54.01°F (12.23°C) |
1.45°F (0.80°C) | 113th Coolest | Coolest since: 2014 | 1917 |
| 14th Warmest | Warmest since: 2017 | 2012 | ||||
|
Jan–Dec 2018 12-Month |
53.52°F (11.96°C) | 52.02°F (11.12°C) |
1.50°F (0.84°C) | 112th Coolest | Coolest since: 2014 | 1917 |
| 15th Warmest | Warmest since: 2017 | 2012 | ||||
|
Jul 2017–Dec 2018 18-Month |
55.07°F (12.82°C) | 53.52°F (11.96°C) |
1.55°F (0.86°C) | 117th Coolest | Coolest since: 2014 | 1917 |
| 9th Warmest | Warmest since: 2017 | 2012, 2016 | ||||
|
Jan 2017–Dec 2018 24-Month |
54.04°F (12.24°C) | 52.02°F (11.12°C) |
2.02°F (1.12°C) | 121st Coolest | Coolest since: 2015 | 1917 |
| 5th Warmest | Warmest since: 2017 | 2017 | ||||
|
Jan 2016–Dec 2018 36-Month |
54.33°F (12.41°C) | 52.01°F (11.12°C) |
2.32°F (1.29°C) | 123rd Coolest | Coolest since: 2016 | 1917 |
| 2nd Warmest | Warmest since: 2017 | 2017 | ||||
|
Jan 2015–Dec 2018 48-Month |
54.35°F (12.42°C) | 52.00°F (11.11°C) |
2.35°F (1.31°C) | 123rd Coolest | Coolest since: 2017 | 1917 |
| 1st Warmest | Warmest to Date | 2018 | ||||
|
Jan 2014–Dec 2018 60-Month |
53.99°F (12.22°C) | 51.99°F (11.11°C) |
2.00°F (1.11°C) | 120th Coolest | Coolest since: 2017 | 1920 |
| 3rd Warmest | Warmest to Date | 2019, 2020 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: National Time Series, published November 2021, retrieved on December 3, 2021 from https://www.ncdc.noaa.gov/cag/