Historical Ranked Daily Data - Mean Dew Point / °C
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 21.2 | 24 Jun 2026 |
| 2 | 19.7 | 12 Aug 2024 |
| 3 | 19.6 | 25 Jun 2026 |
| 4 | 19.1 | 12 Aug 2020 |
| 5 | 19.0 | 06 Sep 2016 |
| 6 | 18.8 | 23 Jun 2026 |
| 7 | 18.8 | 11 Aug 2020 |
| 8 | 18.7 | 10 Sep 2023 |
| 9 | 18.6 | 08 Sep 2023 |
| 10 | 18.5 | 13 Aug 2020 |
| 11 | 18.4 | 10 Aug 2020 |
| 12 | 18.3 | 19 Jul 2021 |
| 13 | 18.2 | 07 Sep 2023 |
| 14 | 18.2 | 09 Sep 2023 |
| 15 | 18.2 | 23 Aug 2022 |
| 16 | 18.1 | 24 Aug 2022 |
| 17 | 18.0 | 03 Aug 2022 |
| 18 | 17.9 | 21 Jul 2021 |
| 19 | 17.9 | 01 Sep 2024 |
| 20 | 17.9 | 26 Jun 2026 |
| 21 | 17.8 | 20 Jul 2021 |
| 22 | 17.7 | 02 Sep 2024 |
| 23 | 17.7 | 06 Sep 2023 |
| 24 | 17.7 | 02 Aug 2022 |
| 25 | 17.6 | 21 Aug 2010 |
| 736 | 13.3 | Today |
| 2090 | 10.0 | Yesterday |
| Lowest | ||
| Rank | Value | Date |
| 1 | -9.7 | 02 Feb 2012 |
| 2 | -7.8 | 03 Feb 2012 |
| 3 | -7.2 | 13 Feb 2021 |
| 4 | -7.2 | 11 Feb 2012 |
| 5 | -6.9 | 22 Feb 2013 |
| 6 | -6.9 | 21 Feb 2013 |
| 7 | -6.8 | 28 Feb 2018 |
| 8 | -6.7 | 12 Mar 2013 |
| 9 | -6.3 | 07 Mar 2010 |
| 10 | -6.0 | 01 Feb 2012 |
| 11 | -6.0 | 11 Mar 2013 |
| 12 | -5.9 | 26 Mar 2013 |
| 13 | -5.9 | 27 Feb 2018 |
| 14 | -5.8 | 01 Mar 2018 |
| 15 | -5.8 | 17 Dec 2010 |
| 16 | -5.8 | 29 Mar 2013 |
| 17 | -5.8 | 02 Apr 2013 |
| 18 | -5.6 | 28 Jan 2011 |
| 19 | -5.5 | 25 Mar 2013 |
| 20 | -5.5 | 27 Mar 2013 |
| 21 | -5.5 | 12 Feb 2021 |
| 22 | -5.4 | 26 Feb 2018 |
| 23 | -5.3 | 02 Feb 2015 |
| 24 | -5.3 | 01 Dec 2010 |
| 25 | -5.3 | 04 Feb 2012 |
| 5659 | 13.3 | Today |
| 4305 | 10.0 | Yesterday |
Ranked daily data from 2009 to present for London, NW3. For Mean Dew Point, there are 6394 valid values.