Historical Ranked Spells - Maximum Feels-like · Above 20.0 °C
Start year
Longest Above 20.0 °C
#
Length
Period
1
107 days
7 Jun 2023 – 21 Sep 2023
2
102 days
6 Jun 2022 – 15 Sep 2022
3
96 days
9 Jun 2025 – 12 Sep 2025
4
85 days
16 Jun 2024 – 8 Sep 2024
5
83 days
14 Jun 2019 – 4 Sep 2019
6
72 days
13 Jun 2018 – 23 Aug 2018
7
68 days
23 Jun 2021 – 29 Aug 2021
8
67 days
21 Jun 2010 – 26 Aug 2010
9
65 days
3 Jul 2013 – 5 Sep 2013
10
52 days
12 Jun 2026 – Current
11
50 days
30 Jun 2014 – 18 Aug 2014
12
49 days
11 Jul 2020 – 28 Aug 2020
13
40 days
30 Jun 2016 – 8 Aug 2016
14
40 days
30 Jun 2017 – 8 Aug 2017
15
38 days
10 Aug 2016 – 16 Sep 2016
16
31 days
30 Jul 2012 – 29 Aug 2012
17
31 days
23 Jun 2015 – 23 Jul 2015
18
29 days
11 Jun 2020 – 9 Jul 2020
19
29 days
31 Aug 2021 – 28 Sep 2021
20
26 days
2 Aug 2009 – 27 Aug 2009
21
25 days
24 Jul 2011 – 17 Aug 2011
22
24 days
19 May 2018 – 11 Jun 2018
23
21 days
7 Jun 2017 – 27 Jun 2017
24
20 days
10 Aug 2017 – 29 Aug 2017
25
18 days
25 Jun 2011 – 12 Jul 2011
Current matching spell: 52 days (since 12 Jun 2026)
Longest consecutive-day spells from 2009 to present for London, NW3. Rule: Maximum Feels-like ≥ 20.0 °C.
Found 279 matching spells. Showing top 25. Data for Maximum Feels-like begins in 2009.
Highest feels-like temperature (humidex) during the day (midnight to midnight, local time). This accounts for high humidity as well as temperature.