Historical Ranked Monthly Data - Wet Hours / hrs
Start year
Top monthly total
#
Value
Date
1
132
Oct 2020
2
122
Jan 2014
3
108
Jun 2012
4
106
Jan 2026
5
105
Dec 2019
6
104
Apr 2012
7
103
Nov 2009
8
103
Feb 2026
9
103
Mar 2023
10
101
Dec 2012
11
100
Mar 2013
12
96
Dec 2009
13
95
Nov 2014
14
95
Mar 2018
15
94
Oct 2012
16
93
Feb 2010
17
93
Dec 2023
18
92
Feb 2024
19
91
Jan 2021
20
91
Nov 2019
21
90
Feb 2020
22
89
Nov 2022
23
87
Jan 2016
24
87
Apr 2018
25
84
Oct 2019
208
0
Current month
209
0
Last month
Bottom monthly total
#
Value
Date
1
0
Jul 2026
2
0
Aug 2026
3
2
May 2020
4
3
Apr 2026
5
4
Jun 2018
6
4
Apr 2011
7
4
Apr 2017
8
5
Mar 2025
9
6
Jul 2022
10
6
Apr 2021
11
8
Feb 2023
12
10
Jun 2015
13
12
Jul 2018
14
13
May 2011
15
14
Mar 2011
16
14
Jun 2023
17
14
May 2026
18
15
Sep 2014
19
15
Jul 2010
20
16
Aug 2025
21
16
Jul 2016
22
16
Dec 2016
23
16
Jun 2024
24
16
Aug 2012
25
16
Apr 2022
2
0
Current month
1
0
Last month
Wet Hours monthly extremes: highest and lowest monthly totals.
There are 209 valid months for the chosen period from 2009 to present in London, NW3. Data for Wet Hours begins in 2009.
Hours with measurable rainfall during the day (midnight to midnight, local time). Estimated heuristically from rain observations.