Detailed Rainfall Data

Current / Latest
MeasureValue
Daily Rain 0.2 mm
Rain Last 10 mins 0.0 mm
Rain Last Hour 0.0 mm
Rain Last 3 hrs 0.2 mm
Rain Last 6 hrs 0.2 mm
Rain Last 24 hrs 0.2 mm
Rain Duration 0.0 hrs
Rain Rate 0.0 mm/h
Past 24hrs Duration 1 hrs
--- ---
Most Recent Rain 3 hours ago
Yesterday's Rain 0.0 mm
Last 7 Days' Rain 6.5 mm
Last 31 Days' Rain 48.4 mm
Last 365 Days' Rain 814.6 mm
Monthly Rain 26.4 mm (106%)
Annual Rain 532.0 mm (132%)
Autumn Rain 26.4 mm (106%)
--- ---
Consecutive Wet Days 1 day
Monthly Rain Days 8
Annual Rain Days 110
Daily Rain Last Year 0.0 mm
Last Month Rain-to-date 11.1 mm
Last Year Rain-to-date 364.5 mm
Current Extremes
Measure Year Month Today Yesterday
Max Rain Rate 100 mm/h
2nd May
48 mm/h
5th
-
n/a
-
n/a
Most Rain In One Hour 14.4 mm
15th Jul
6.0 mm
8th
0.2 mm
-
n/a
Wettest Day 28.8 mm
15th Jul
11.8 mm
8th
-
-
Longest Wet Spell 10 days
27th Dec - 5th Jan
3 days
10th Sep - 12th
-
-
Longest Dry Spell 15 days
6th Jan - 20th Jan
9 days
25th Aug - 2nd
-
-
Wettest Month 113.0 mm
Jul
-
-
-
Driest Month 11.8 mm
Jun
-
-
-
Most Rain Days 21
Feb
-
-
-
Fewest Rain Days 6
Jun
-
-
-
Last 31 days rainfall in London NW3

Records
Measure Overall September 15th Sep
Max Rain Rate 162 mm/h
7th Feb 2016
126 mm/h
Day 20, 2014
33 mm/h
2009
Most Rain In One Hour 33.3 mm
27th Jun 2009
18.7 mm
Day 20, 2014
7.4 mm
2009
Wettest Day 42.0 mm
12th Jul 2021
32.0 mm
Day 13, 2013
25.5 mm
2009
Longest Wet Spell 19 days
30th Dec - 17th Jan 2014
14 days
6th Sep - 19th Sep 2013
-
Longest Dry Spell 27 days
16th May - 11th Jun 2023
18 days
5th Sep - 22nd Sep 2020
-
Wettest Month 165.8 mm
Oct 2020
68.1 mm
2019
-
Driest Month 0.8 mm
Jun 2018
23.4 mm
2020
-
Most Rain Days 29
Jan 2014
18
2017
-
Fewest Rain Days 2
Apr 2011
5
2009
-
Wettest Days
RankValueDate
1 42.0 mm 12th Jul 2021
2 40.7 mm 13th Oct 2014
3 39.1 mm 9th Aug 2017
4 38.5 mm 25th Aug 2014
5 38.4 mm 25th Jul 2021
6 35.8 mm 27th Jun 2009
7 35.8 mm 17th Aug 2022
8 35.6 mm 17th May 2017
9 34.3 mm 6th Aug 2009
10 34.0 mm 3rd Oct 2020
11 32.0 mm 13th Sep 2013
12 32.0 mm 24th Sep 2019
13 31.9 mm 24th Jul 2015
14 31.7 mm 1st May 2010
15 31.0 mm 2nd Oct 2020

More Records
MeasureValue and Date
Wettest Year 815.2 mm, 2014
Driest Year 507.0 mm, 2011
Wettest 365 days 879.5 mm, Ending 12th Dec 2014
Driest 365 days 394.0 mm, Ending 10th Aug 2022
Wettest 31 days 170.4 mm, Ending 18th Nov 2022
Driest 31 days 0.2 mm, Ending 1st Jun 2020
Wettest 7 days 106.6 mm, Ending 8th Oct 2020
Wettest 3 days 88.0 mm, Ending 4th Oct 2020
Wettest 24hrs 54.2 mm, Ending 14:08, 2nd May 2010
Wettest Months
RankValueDate
1 165.8 mm Oct 2020
2 144.2 mm Nov 2009
3 141.5 mm Jan 2014
4 135.4 mm Nov 2022
5 123.3 mm Jul 2021
6 118.3 mm Aug 2014
7 117.7 mm Jun 2012
8 113.0 mm Jul 2024

Past Year Monthly Totals
MonthTotalAnomaly
January 202451.4 mm87%
February 83.1 mm185%
March 70.1 mm180%
April 64.5 mm154%
May 78.6 mm171%
June 11.8 mm25%
July 113.0 mm246%
August 33.1 mm61%
September 202348.5 mm97%
October 94.2 mm145%
November 70.1 mm105%
December 74.4 mm131%
12-month Total 792.8 mm 128%
Driest Months
RankValueDate
1 0.8 mm Jun 2018
2 1.8 mm Apr 2011
3 2.3 mm Jul 2022
4 2.8 mm Apr 2021
5 2.9 mm Apr 2017
6 3.9 mm Feb 2023
7 5.5 mm May 2020
8 8.0 mm Nov 2021

Past Year Seasonal Totals
SeasonTotalAnomaly
Winter 23/24208.9 mm130%
Spring 2024213.2 mm168%
Summer 2024157.9 mm107%
Autumn 2023212.8 mm117%

Last 12 months rainfall total in London cumulative rainfall total this year vs climate normal average so far in London cumulative rainfall total last year vs climate normals and extreme years

View more rain charts

Note 1: Rain records began in February 2009
Note 2: The minimum recordable rain (the rain gauge resolution) is 0.2 mm
Note 3: Figures in brackets refer to departure from average conditions
Note 4: Rain rate records are manually checked, and changed if necessary, due to occasional lag in data transmission. Initial high readings may well be corrected at a later date.

View daily totals for the past year

Last 24hrs Rainfall