Historical Ranked Monthly Data - Rainfall / mm
Nov 2026 (so far): 0.6 mm · 2nd lowest of 215 (99.5th %ile)
Oct 2026: 89.6 mm · 29th highest of 215 (86.9th %ile)
Top monthly total
#
Value
Date
1
165.8
Oct 2020
2
144.2
Nov 2009
3
141.5
Jan 2014
4
135.4
Nov 2022
5
123.3
Jul 2021
6
120.1
Sep 2024
7
118.3
Aug 2014
8
117.7
Jun 2012
9
106.1
Nov 2014
10
103.2
Jan 2026
11
101.4
Dec 2012
12
101.2
Jun 2026
13
100.4
Apr 2012
14
99.3
Feb 2010
15
98.5
Aug 2010
16
98.4
Jul 2024
17
97.7
Jan 2021
18
97.3
Dec 2017
19
96.8
Oct 2021
20
96.6
Feb 2026
21
94.2
Oct 2014
22
94.2
Oct 2023
23
92.6
Dec 2019
24
92.0
Oct 2013
25
91.8
Jun 2016
214
0.6
Current month (so far)214th of 215 (0.4th %ile)
29
89.6
Last month29th of 215 (86.9th %ile)
Bottom monthly total
#
Value
Date
1
0.0
Jul 2026
2
0.6
Nov 2026
3
0.8
Jun 2018
4
1.8
Apr 2011
5
2.3
Apr 2026
6
2.3
Jul 2022
7
2.8
Apr 2021
8
2.9
Apr 2017
9
3.8
Mar 2025
10
3.9
Feb 2023
11
5.5
May 2020
12
8.0
Nov 2021
13
9.4
Jun 2015
14
10.4
Jun 2024
15
10.5
Dec 2016
16
11.1
Mar 2011
17
11.4
May 2026
18
12.4
Apr 2019
19
12.8
Aug 2026
20
15.1
Jul 2010
21
15.5
Oct 2011
22
15.6
Jun 2013
23
16.8
Jan 2022
24
18.0
Apr 2022
25
18.1
Aug 2016
2
0.6
Current month (so far)2nd of 215 (99.5th %ile)
187
89.6
Last month187th of 215 (13.0th %ile)
Rainfall monthly extremes: highest and lowest monthly totals.
There are 215 valid months for the chosen period from 2009 to present in London, NW3. Data for Rainfall begins in 1871.
Total rainfall accumulated during the day (midnight to midnight, local time). Tip counts are reset at midnight.