Historical Ranked Daily Data for Dec - Mean Dew Point / °C
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 12.0 | 30 Dec 2021 |
| 2 | 12.0 | 16 Dec 2015 |
| 3 | 11.7 | 02 Dec 2018 |
| 4 | 11.4 | 27 Dec 2015 |
| 5 | 11.3 | 31 Dec 2021 |
| 6 | 11.2 | 19 Dec 2015 |
| 7 | 11.2 | 24 Dec 2023 |
| 8 | 11.1 | 19 Dec 2022 |
| 9 | 11.1 | 22 Dec 2015 |
| 10 | 11.0 | 07 Dec 2015 |
| 11 | 11.0 | 18 Dec 2024 |
| 12 | 10.9 | 18 Dec 2014 |
| 13 | 10.8 | 31 Dec 2022 |
| 14 | 10.8 | 01 Dec 2024 |
| 15 | 10.7 | 25 Dec 2023 |
| 16 | 10.5 | 26 Dec 2015 |
| 17 | 10.4 | 09 Dec 2025 |
| 18 | 10.4 | 06 Dec 2018 |
| 19 | 10.4 | 08 Dec 2025 |
| 20 | 10.3 | 16 Dec 2013 |
| 21 | 10.3 | 15 Dec 2013 |
| 22 | 10.3 | 05 Dec 2024 |
| 23 | 10.3 | 31 Dec 2011 |
| 24 | 10.2 | 12 Dec 2021 |
| 25 | 10.2 | 15 Dec 2015 |
| Lowest | ||
| Rank | Value | Date |
| 1 | -5.8 | 17 Dec 2010 |
| 2 | -5.3 | 01 Dec 2010 |
| 3 | -4.7 | 20 Dec 2010 |
| 4 | -4.4 | 19 Dec 2010 |
| 5 | -4.2 | 03 Dec 2010 |
| 6 | -4.2 | 15 Dec 2022 |
| 7 | -3.9 | 26 Dec 2010 |
| 8 | -3.8 | 19 Dec 2009 |
| 9 | -3.5 | 02 Dec 2010 |
| 10 | -3.5 | 18 Dec 2010 |
| 11 | -3.0 | 23 Dec 2010 |
| 12 | -2.9 | 25 Dec 2010 |
| 13 | -2.8 | 20 Dec 2009 |
| 14 | -2.8 | 14 Dec 2022 |
| 15 | -2.7 | 06 Dec 2010 |
| 16 | -2.7 | 09 Dec 2010 |
| 17 | -2.6 | 16 Dec 2022 |
| 18 | -2.4 | 13 Dec 2022 |
| 19 | -2.4 | 11 Dec 2022 |
| 20 | -2.4 | 07 Dec 2010 |
| 21 | -2.4 | 24 Dec 2010 |
| 22 | -2.4 | 08 Dec 2022 |
| 23 | -2.3 | 13 Dec 2012 |
| 24 | -2.2 | 12 Dec 2012 |
| 25 | -2.1 | 28 Dec 2014 |
Ranked daily data from 2009 to present for London, NW3. For Mean Dew Point, there are 527 valid values in Dec.