Historical Ranked Spells - Minimum Temperature · Above 20.0 °C
Longest Above 20.0 °C
#
Length
Period
1
4 days
24 Jun 2026 – 27 Jun 2026
2
2 days
11 Aug 2020 – 12 Aug 2020
3
2 days
9 Jul 2026 – 10 Jul 2026
4
1 day
18 Aug 2012 – 18 Aug 2012
5
1 day
19 Jul 2022 – 19 Jul 2022
6
1 day
1 Jul 2025 – 1 Jul 2025
Longest consecutive-day spells from 2009 to present for London, NW3. Rule: Minimum Temperature ≥ 20.0 °C.
Found 6 matching spells. Showing top 6. Data for Minimum Temperature begins in 1881.
Lowest air temperature recorded during the day (midnight to midnight, local time).