Historical Ranked Monthly Data - Night Minimum (21-09) / °C
Top monthly mean
#
Value
Date
1
15.9
Jul 2026
2
15.9
Jul 2018
3
15.8
Aug 2022
4
15.8
Aug 2020
5
15.6
Jul 2025
6
15.4
Jul 2010
7
15.4
Jul 2022
8
15.3
Jul 2017
9
15.2
Jul 2019
10
15.0
Jul 2014
11
15.0
Jul 2013
12
15.0
Jun 2026
13
15.0
Aug 2024
14
15.0
Jul 2016
15
14.8
Jul 2021
16
14.8
Aug 2016
17
14.8
Aug 2012
18
14.6
Sep 2023
19
14.5
Aug 2019
20
14.5
Jun 2025
21
14.4
Aug 2018
22
14.3
Sep 2016
23
14.3
Aug 2013
24
14.2
Jun 2017
25
14.2
Jul 2023
30
13.9
Current month
1
15.9
Last month
Bottom monthly mean
#
Value
Date
1
-0.5
Dec 2010
2
0.4
Jan 2010
3
1.1
Feb 2018
4
1.2
Jan 2009
5
1.4
Mar 2013
6
1.6
Feb 2013
7
1.8
Feb 2010
8
2.1
Jan 2017
9
2.3
Jan 2025
10
2.3
Feb 2012
11
2.3
Dec 2009
12
2.3
Jan 2021
13
2.4
Feb 2009
14
2.6
Feb 2015
15
2.7
Jan 2019
16
2.7
Jan 2013
17
2.8
Apr 2021
18
2.9
Dec 2022
19
3.4
Jan 2024
20
3.4
Jan 2026
21
3.5
Jan 2022
22
3.6
Feb 2025
23
3.6
Mar 2018
24
3.6
Jan 2023
25
3.6
Dec 2012
183
13.9
Current month
212
15.9
Last month
Night Minimum (21-09) monthly extremes: highest and lowest monthly means.
There are 212 valid months for the chosen period from 2009 to present in London, NW3. Data for Night Minimum (21-09) begins in 1881.
Lowest air temperature overnight, from 21:00 to 09:00 local time.