Monthly Data Tables - Wet % of day / %
Monthly Mean Wet % of day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Year
Lowest
2.8
1.3
0.7
0.4
0.3
2.0
0
2.1
3.8
7.2
2.5
8.0
5.5
Highest
14
15
14
8.2
9.2
7.2
10
5.6
9.2
18
12
13
7.7
Mean
8.9
10.0
6.3
3.7
4.4
4.3
5.2
3.8
5.3
9.9
8.3
9.4
6.6
Wet % of day: monthly means for all months since 2020 in London, NW3. Data for Wet % of day begins in 2009.