Daily Data Tables - Wet % of day / %
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Lowest
0
0
0
0
0
0
0
0
0
0
0
0
Highest
79
46
8.3
33
38
38
46
33
38
50
50
50
Mean
11
9.2
0.7
2.4
3.3
3.5
5.3
2.1
5.2
8.0
9.3
8.1
Cumul
11
9.9
6.7
5.6
5.1
4.9
4.9
4.6
4.6
5.0
5.4
5.6
Wet % of day in London, NW3, for every available day of 2025 along with monthly summary: lowest, highest, mean, and the cumulative value for the year to the month's end. Data for Wet % of day begins in 2009.