Historical Ranked Periods - Minimum Feels-like / °C · 5-day mean
Start year
Top 5-day mean
#
Value
Date
1
26.3
23–27 Jun 2026
2
24.3
8–12 Aug 2020
3
22.8
7–11 Sep 2023
4
22.6
23–27 Jul 2018
5
22.5
22–26 Jul 2019
6
22.3
6–10 Jul 2026
7
22.2
30 Jul – 3 Aug 2022
8
21.8
28 Jun – 2 Jul 2025
9
21.7
17–21 Jul 2014
10
21.3
14–18 Aug 2022
11
21.2
17–21 Jun 2026
12
21.0
4–8 Sep 2016
13
21.0
16–20 Aug 2012
14
21.0
19–23 Jul 2022
15
21.0
18–22 Jun 2017
16
20.9
13–17 Aug 2020
17
20.9
30 Jul – 3 Aug 2024
18
20.7
16–20 Jul 2016
19
20.7
17–21 Jul 2025
20
20.6
18–22 Aug 2018
21
20.5
19–23 Jul 2021
22
20.5
6–10 Jul 2017
23
20.5
3–7 Aug 2018
24
20.4
10–14 Aug 2024
25
20.3
21–25 Jul 2013
Bottom 5-day mean
#
Value
Date
1
-11.8
26 Feb – 2 Mar 2018
2
-9.8
5–9 Jan 2010
3
-9.3
9–13 Feb 2021
4
-9.1
16–20 Dec 2010
5
-8.3
7–11 Feb 2012
6
-8.1
13–17 Dec 2022
7
-8.1
29 Nov – 3 Dec 2010
8
-8.1
15–19 Jan 2024
9
-7.9
17–21 Dec 2009
10
-7.8
10–14 Mar 2013
11
-7.8
2–6 Jan 2026
12
-7.5
18–22 Jan 2013
13
-7.4
31 Jan – 4 Feb 2012
14
-7.1
16–20 Jan 2023
15
-7.0
24–28 Mar 2013
16
-6.8
22–26 Dec 2010
17
-6.7
17–21 Mar 2018
18
-6.7
8–12 Dec 2022
19
-6.6
30 Jan – 3 Feb 2019
20
-6.5
8–12 Dec 2017
21
-6.3
5–9 Dec 2010
22
-6.0
8–12 Jan 2025
23
-5.9
31 Mar – 4 Apr 2013
24
-5.9
28 Jan – 1 Feb 2011
25
-5.8
31 Dec 2009 – 4 Jan 2010
Minimum Feels-like 5-day extremes: highest and lowest period means.
There are 6206 valid 5-day periods from 2009 to present in London, NW3 (complete windows only, hiding overlapping windows). Data for Minimum Feels-like begins in 2009.
Lowest feels-like temperature (wind chill) during the day (midnight to midnight, local time). This accounts for the wind chill factor.