Historical Ranked Daily Data for May - Maximum Humidity / %
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 98 | 05 May 2024 |
| 2 | 98 | 28 May 2014 |
| 3 | 98 | 02 May 2014 |
| 4 | 97 | 31 May 2018 |
| 5 | 97 | 15 May 2015 |
| 6 | 97 | 14 May 2015 |
| 7 | 97 | 29 May 2014 |
| 8 | 97 | 27 May 2014 |
| 9 | 97 | 01 May 2014 |
| 10 | 97 | 30 May 2013 |
| 11 | 97 | 25 May 2013 |
| 12 | 97 | 10 May 2012 |
| 13 | 97 | 01 May 2012 |
| 14 | 96 | 22 May 2024 |
| 15 | 96 | 21 May 2024 |
| 16 | 96 | 17 May 2024 |
| 17 | 96 | 16 May 2024 |
| 18 | 96 | 08 May 2024 |
| 19 | 96 | 06 May 2024 |
| 20 | 96 | 19 May 2019 |
| 21 | 96 | 10 May 2019 |
| 22 | 96 | 09 May 2019 |
| 23 | 96 | 29 May 2018 |
| 24 | 96 | 10 May 2014 |
| 25 | 96 | 04 May 2012 |
| Lowest | ||
| Rank | Value | Date |
| 1 | 56 | 02 May 2013 |
| 2 | 65 | 27 May 2013 |
| 3 | 66 | 01 May 2011 |
| 4 | 67 | 20 May 2011 |
| 5 | 67 | 05 May 2016 |
| 6 | 67 | 08 May 2016 |
| 7 | 69 | 24 May 2010 |
| 8 | 69 | 31 May 2026 |
| 9 | 70 | 02 May 2011 |
| 10 | 70 | 06 May 2011 |
| 11 | 71 | 03 May 2009 |
| 12 | 71 | 23 May 2014 |
| 13 | 71 | 06 May 2016 |
| 14 | 72 | 25 May 2011 |
| 15 | 72 | 11 May 2020 |
| 16 | 72 | 01 May 2026 |
| 17 | 73 | 27 May 2012 |
| 18 | 73 | 04 May 2013 |
| 19 | 73 | 23 May 2013 |
| 20 | 73 | 13 May 2015 |
| 21 | 73 | 25 May 2015 |
| 22 | 73 | 15 May 2018 |
| 23 | 73 | 30 May 2026 |
| 24 | 74 | 12 May 2009 |
| 25 | 74 | 05 May 2011 |
Ranked daily data from 2009 to present for London, NW3. For Maximum Humidity, there are 558 valid values in May.