Historical Ranked Daily Data for December - Mean Temp Anom / C
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 9.2 | 19 Dec 2015 |
| 2 | 8.8 | 26 Dec 2015 |
| 3 | 8.4 | 27 Dec 2015 |
| 4 | 8.3 | 30 Dec 2021 |
| 5 | 8.2 | 16 Dec 2015 |
| 6 | 8.0 | 17 Dec 2015 |
| 7 | 8.0 | 22 Dec 2015 |
| 8 | 7.9 | 31 Dec 2021 |
| 9 | 7.5 | 24 Dec 2023 |
| 10 | 7.4 | 18 Dec 2014 |
| 11 | 7.1 | 18 Dec 2015 |
| 12 | 7.0 | 18 Dec 2024 |
| 13 | 6.9 | 22 Dec 2014 |
| 14 | 6.8 | 06 Dec 2015 |
| 15 | 6.8 | 31 Dec 2022 |
| 16 | 6.8 | 02 Dec 2018 |
| 17 | 6.7 | 09 Dec 2025 |
| 18 | 6.6 | 19 Dec 2022 |
| 19 | 6.6 | 20 Dec 2015 |
| 20 | 6.6 | 25 Dec 2023 |
| 21 | 6.6 | 07 Dec 2015 |
| 22 | 6.4 | 30 Dec 2015 |
| 23 | 6.4 | 09 Dec 2016 |
| 24 | 6.2 | 25 Dec 2016 |
| 25 | 6.1 | 15 Dec 2021 |
| Lowest | ||
| Rank | Value | Date |
| 1 | -9.3 | 03 Dec 2010 |
| 2 | -8.8 | 06 Dec 2010 |
| 3 | -8.8 | 20 Dec 2010 |
| 4 | -8.6 | 17 Dec 2010 |
| 5 | -8.2 | 19 Dec 2010 |
| 6 | -8.1 | 18 Dec 2010 |
| 7 | -8.0 | 02 Dec 2010 |
| 8 | -7.9 | 11 Dec 2022 |
| 9 | -7.8 | 15 Dec 2022 |
| 10 | -7.8 | 02 Dec 2023 |
| 11 | -7.4 | 01 Dec 2010 |
| 12 | -7.3 | 07 Dec 2010 |
| 13 | -7.3 | 19 Dec 2009 |
| 14 | -7.1 | 10 Dec 2022 |
| 15 | -7.1 | 25 Dec 2010 |
| 16 | -7.1 | 14 Dec 2022 |
| 17 | -7.0 | 16 Dec 2022 |
| 18 | -7.0 | 12 Dec 2012 |
| 19 | -6.9 | 08 Dec 2022 |
| 20 | -6.8 | 13 Dec 2022 |
| 21 | -6.8 | 26 Dec 2010 |
| 22 | -6.6 | 11 Dec 2012 |
| 23 | -6.4 | 01 Dec 2023 |
| 24 | -6.3 | 09 Dec 2022 |
| 25 | -6.2 | 08 Dec 2010 |
Ranked daily data from 2009 to present for London, nw3. For Mean Temp Anom, there are 527 valid values in Dec