Historical Ranked Daily Data for April - Mean Temperature / C
Weather Variable:
| Highest | ||
| Rank | Value | Date |
| 1 | 20.3 | 19 Apr 2018 |
| 2 | 20.0 | 20 Apr 2018 |
| 3 | 18.6 | 23 Apr 2011 |
| 4 | 18.3 | 18 Apr 2018 |
| 5 | 18.0 | 22 Apr 2011 |
| 6 | 17.9 | 22 Apr 2018 |
| 7 | 17.5 | 21 Apr 2011 |
| 8 | 17.3 | 30 Apr 2025 |
| 9 | 17.3 | 15 Apr 2015 |
| 10 | 17.2 | 12 Apr 2020 |
| 11 | 16.9 | 21 Apr 2018 |
| 12 | 16.8 | 20 Apr 2011 |
| 13 | 16.8 | 06 Apr 2011 |
| 14 | 16.7 | 24 Apr 2011 |
| 15 | 16.6 | 20 Apr 2019 |
| 16 | 16.6 | 19 Apr 2011 |
| 17 | 16.4 | 11 Apr 2020 |
| 18 | 16.4 | 25 Apr 2013 |
| 19 | 16.3 | 28 Apr 2025 |
| 20 | 16.3 | 06 Apr 2024 |
| 21 | 16.1 | 09 Apr 2017 |
| 22 | 16.0 | 29 Apr 2025 |
| 23 | 15.9 | 22 Apr 2019 |
| 24 | 15.9 | 21 Apr 2019 |
| 25 | 15.7 | 13 Apr 2024 |
| Lowest | ||
| Rank | Value | Date |
| 1 | 1.6 | 04 Apr 2013 |
| 2 | 2.3 | 03 Apr 2013 |
| 3 | 2.4 | 01 Apr 2013 |
| 4 | 3.0 | 06 Apr 2021 |
| 5 | 3.2 | 07 Apr 2021 |
| 6 | 3.2 | 02 Apr 2013 |
| 7 | 3.6 | 02 Apr 2022 |
| 8 | 3.8 | 01 Apr 2022 |
| 9 | 3.8 | 05 Apr 2013 |
| 10 | 3.9 | 11 Apr 2021 |
| 11 | 4.5 | 12 Apr 2021 |
| 12 | 4.5 | 01 Apr 2010 |
| 13 | 4.5 | 03 Apr 2019 |
| 14 | 4.7 | 03 Apr 2022 |
| 15 | 4.8 | 06 Apr 2013 |
| 16 | 4.8 | 13 Apr 2019 |
| 17 | 5.0 | 14 Apr 2019 |
| 18 | 5.1 | 07 Apr 2013 |
| 19 | 5.1 | 01 Apr 2020 |
| 20 | 5.3 | 26 Apr 2017 |
| 21 | 5.3 | 26 Apr 2016 |
| 22 | 5.4 | 01 Apr 2018 |
| 23 | 5.7 | 02 Apr 2019 |
| 24 | 5.7 | 15 Apr 2021 |
| 25 | 5.8 | 09 Apr 2013 |
Ranked daily data from 2009 to present for London, nw3. For Mean Temperature, there are 510 valid values in Apr