Historical Ranked Daily Data for July - Maximum Dew Point / °C
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 21.5 | 19 Jul 2021 |
| 2 | 21.1 | 25 Jul 2019 |
| 3 | 20.9 | 21 Jul 2021 |
| 4 | 20.9 | 27 Jul 2018 |
| 5 | 20.8 | 19 Jul 2022 |
| 6 | 20.8 | 18 Jul 2021 |
| 7 | 20.8 | 23 Jul 2013 |
| 8 | 20.5 | 20 Jul 2021 |
| 9 | 20.2 | 01 Jul 2025 |
| 10 | 20.2 | 24 Jul 2019 |
| 11 | 20.1 | 18 Jul 2014 |
| 12 | 20.0 | 19 Jul 2024 |
| 13 | 19.8 | 08 Jul 2023 |
| 14 | 19.7 | 22 Jul 2019 |
| 15 | 19.6 | 26 Jul 2018 |
| 16 | 19.3 | 17 Jul 2025 |
| 17 | 19.3 | 26 Jul 2019 |
| 18 | 19.2 | 19 Jul 2014 |
| 19 | 19.1 | 30 Jul 2024 |
| 20 | 19.1 | 22 Jul 2021 |
| 21 | 19.1 | 23 Jul 2019 |
| 22 | 19.0 | 31 Jul 2022 |
| 23 | 18.9 | 27 Jul 2023 |
| 24 | 18.8 | 02 Jul 2009 |
| 25 | 18.7 | 31 Jul 2025 |
| 137 | 16.5 | Today |
| 441 | 12.7 | Yesterday |
| Lowest | ||
| Rank | Value | Date |
| 1 | 7.8 | 09 Jul 2015 |
| 2 | 8.4 | 01 Jul 2011 |
| 3 | 8.9 | 30 Jul 2015 |
| 4 | 9.3 | 06 Jul 2010 |
| 5 | 9.3 | 11 Jul 2013 |
| 6 | 9.5 | 03 Jul 2025 |
| 7 | 9.7 | 21 Jul 2020 |
| 8 | 9.7 | 08 Jul 2025 |
| 9 | 9.8 | 04 Jul 2011 |
| 10 | 9.8 | 01 Jul 2012 |
| 11 | 9.9 | 29 Jul 2015 |
| 12 | 9.9 | 02 Jul 2016 |
| 13 | 9.9 | 06 Jul 2016 |
| 14 | 10.0 | 14 Jul 2011 |
| 15 | 10.0 | 24 Jul 2011 |
| 16 | 10.0 | 28 Jul 2012 |
| 17 | 10.1 | 13 Jul 2011 |
| 18 | 10.2 | 03 Jul 2011 |
| 19 | 10.2 | 30 Jul 2011 |
| 20 | 10.2 | 20 Jul 2020 |
| 21 | 10.3 | 30 Jul 2012 |
| 22 | 10.3 | 01 Jul 2013 |
| 23 | 10.7 | 31 Jul 2009 |
| 24 | 10.7 | 23 Jul 2015 |
| 25 | 10.8 | 03 Jul 2014 |
| 395 | 16.5 | Today |
| 91 | 12.7 | Yesterday |
Ranked daily data from 2009 to present for London, NW3. For Maximum Dew Point, there are 531 valid values in Jul.