Historical Ranked Daily Data for March - Maximum Dew Point / °C
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 12.6 | 31 Mar 2011 |
| 2 | 12.2 | 17 Mar 2024 |
| 3 | 12.1 | 12 Mar 2024 |
| 4 | 12.0 | 20 Mar 2010 |
| 5 | 11.9 | 10 Mar 2020 |
| 6 | 11.8 | 21 Mar 2024 |
| 7 | 11.8 | 15 Mar 2024 |
| 8 | 11.8 | 25 Mar 2010 |
| 9 | 11.7 | 30 Mar 2023 |
| 10 | 11.6 | 14 Mar 2024 |
| 11 | 11.6 | 29 Mar 2023 |
| 12 | 11.4 | 31 Mar 2021 |
| 13 | 11.3 | 20 Mar 2024 |
| 14 | 11.3 | 10 Mar 2018 |
| 15 | 11.2 | 17 Mar 2023 |
| 16 | 11.2 | 26 Mar 2016 |
| 17 | 11.1 | 22 Mar 2023 |
| 18 | 11.0 | 31 Mar 2023 |
| 19 | 11.0 | 29 Mar 2021 |
| 20 | 11.0 | 11 Mar 2017 |
| 21 | 10.9 | 22 Mar 2025 |
| 22 | 10.9 | 18 Mar 2024 |
| 23 | 10.9 | 13 Mar 2023 |
| 24 | 10.9 | 29 Mar 2015 |
| 25 | 10.9 | 19 Mar 2010 |
| Lowest | ||
| Rank | Value | Date |
| 1 | -4.5 | 26 Mar 2013 |
| 2 | -4.4 | 25 Mar 2013 |
| 3 | -3.8 | 27 Mar 2013 |
| 4 | -3.7 | 07 Mar 2010 |
| 5 | -3.6 | 01 Mar 2018 |
| 6 | -3.0 | 29 Mar 2013 |
| 7 | -2.6 | 11 Mar 2013 |
| 8 | -2.4 | 18 Mar 2018 |
| 9 | -2.4 | 19 Mar 2018 |
| 10 | -2.2 | 30 Mar 2013 |
| 11 | -1.6 | 31 Mar 2013 |
| 12 | -1.4 | 28 Mar 2013 |
| 13 | -1.2 | 02 Mar 2013 |
| 14 | -1.1 | 07 Mar 2016 |
| 15 | -0.9 | 12 Mar 2013 |
| 16 | -0.9 | 02 Mar 2018 |
| 17 | -0.6 | 07 Mar 2021 |
| 18 | -0.3 | 13 Mar 2013 |
| 19 | -0.2 | 14 Mar 2013 |
| 20 | -0.1 | 10 Mar 2010 |
| 21 | 0.1 | 08 Mar 2010 |
| 22 | 0.5 | 24 Mar 2013 |
| 23 | 0.6 | 04 Mar 2011 |
| 24 | 0.6 | 21 Mar 2013 |
| 25 | 0.6 | 04 Mar 2015 |
Ranked daily data from 2009 to present for London, NW3. For Maximum Dew Point, there are 558 valid values in Mar.