Historical Ranked Monthly Data for May - Rainfall / mm
Weather Variable:
Top monthly total
Rank
Value
Date
1
85.9
May 2017
2
74.1
May 2024
3
73.8
May 2021
4
70.3
May 2014
5
68.8
May 2010
6
52.1
May 2015
7
49.6
May 2025
8
49.1
May 2013
9
44.6
May 2012
10
43.4
May 2016
Bottom monthly total
Rank
Value
Date
1
5.5
May 2020
2
11.4
May 2026
3
24.1
May 2011
4
25.2
May 2023
5
26.3
May 2009
6
28.4
May 2022
7
31.8
May 2019
8
38.7
May 2018
9
43.4
May 2016
10
44.6
May 2012
Rainfall monthly extremes: highest and lowest monthly totals. There are 18 valid months for the chosen period from 2009 to present for May in London, NW3.
Top monthly count
Rank
Value
Date
1
31
May 2026
2
31
May 2025
3
31
May 2024
4
31
May 2023
5
31
May 2022
6
31
May 2021
7
31
May 2020
8
31
May 2019
9
31
May 2018
10
31
May 2017
Bottom monthly count
Rank
Value
Date
1
31
May 2009
2
31
May 2010
3
31
May 2011
4
31
May 2012
5
31
May 2013
6
31
May 2014
7
31
May 2015
8
31
May 2016
9
31
May 2017
10
31
May 2018
Rainfall monthly extremes: most and fewest days with a value. There are 18 valid months for the chosen period from 2009 to present for May in London, NW3.
Top monthly lowest
Rank
Value
Date
1
0.0
May 2026
2
0.0
May 2025
3
0.0
May 2024
4
0.0
May 2023
5
0.0
May 2022
6
0.0
May 2021
7
0.0
May 2020
8
0.0
May 2019
9
0.0
May 2018
10
0.0
May 2017
Bottom monthly lowest
Rank
Value
Date
1
0.0
May 2009
2
0.0
May 2010
3
0.0
May 2011
4
0.0
May 2012
5
0.0
May 2013
6
0.0
May 2014
7
0.0
May 2015
8
0.0
May 2016
9
0.0
May 2017
10
0.0
May 2018
Rainfall monthly extremes: highest and lowest monthly minima. There are 18 valid months for the chosen period from 2009 to present for May in London, NW3.
Top monthly highest
Rank
Value
Date
1
35.6
May 2017
2
31.7
May 2010
3
27.8
May 2025
4
17.7
May 2016
5
16.4
May 2012
6
16.3
May 2024
7
16.3
May 2018
8
14.7
May 2013
9
14.5
May 2014
10
14.5
May 2011
Bottom monthly highest
Rank
Value
Date
1
3.8
May 2026
2
4.6
May 2022
3
5.3
May 2020
4
10.4
May 2023
5
11.9
May 2009
6
12.0
May 2021
7
13.6
May 2019
8
14.4
May 2015
9
14.5
May 2011
10
14.5
May 2014
Rainfall monthly extremes: highest and lowest monthly maxima. There are 18 valid months for the chosen period from 2009 to present for May in London, NW3.