Historical Ranked Monthly Data - Wet % of day / %
Start year
Top monthly mean
#
Value
Date
1
18
Oct 2020
2
17
Jan 2014
3
15
Feb 2026
4
15
Jun 2012
5
15
Apr 2012
6
14
Nov 2009
7
14
Jan 2026
8
14
Dec 2019
9
14
Mar 2023
10
14
Feb 2010
11
14
Dec 2012
12
14
Mar 2013
13
13
Nov 2014
14
13
Feb 2024
15
13
Dec 2009
16
13
Feb 2020
17
13
Mar 2018
18
13
Nov 2019
19
13
Oct 2012
20
13
Dec 2023
21
12
Nov 2022
22
12
Jan 2021
23
12
Apr 2018
24
12
Feb 2014
25
12
Jan 2016
208
0
Current month
209
0
Last month
Bottom monthly mean
#
Value
Date
1
0
Jul 2026
2
0
Aug 2026
3
0.3
May 2020
4
0.4
Apr 2026
5
0.5
Jun 2018
6
0.6
Apr 2011
7
0.6
Apr 2017
8
0.7
Mar 2025
9
0.8
Jul 2022
10
0.9
Apr 2021
11
1.3
Feb 2023
12
1.4
Jun 2015
13
1.7
Jul 2018
14
1.8
May 2011
15
1.9
Mar 2011
16
2.0
May 2026
17
2.0
Jun 2023
18
2.1
Jul 2010
19
2.1
Aug 2025
20
2.1
Sep 2014
21
2.1
Dec 2016
22
2.2
Jul 2016
23
2.2
Aug 2012
24
2.2
Jun 2024
25
2.3
Aug 2022
2
0
Current month
1
0
Last month
Wet % of day monthly extremes: highest and lowest monthly means.
There are 209 valid months for the chosen period from 2009 to present in London, NW3. Data for Wet % of day begins in 2009.
Percentage of the day (midnight to midnight, local time) that recorded measurable rain.