Daily Data Tables - Maximum Rain Rate / mm/h
Start year
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Lowest
0.8
1.1
0.3
2.9
0.4
1.6
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Highest
14
36
36
14
24
84
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Mean
6
9
8
9
7
27
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Cumul
6
8
8
8
8
11
11
11
Maximum Rain Rate in London, NW3, for every available day of 2026 along with monthly summary: lowest, highest, mean, and the cumulative value for the year to the month's end. Data for Maximum Rain Rate begins in 2009.
Values for recent days are subject to quality control and may be adjusted at any time.
Highest instantaneous rain rate (1-min avg) recorded during the day (midnight to midnight, local time).