Detailed Rainfall Data

Current / Latest
MeasureValue
Daily Rain 0.0 mm
Rain Last 10 mins 0.0 mm
Rain Last Hour 0.0 mm
Rain Last 3 hrs 0.0 mm
Rain Last 6 hrs 1.7 mm
Rain Last 24 hrs 13.9 mm
Rain Duration 0.0 hrs
Rain Rate 0.0 mm/h
Past 24hrs Duration 12 hrs
--- ---
Most Recent Rain 5 hours ago
Yesterday's Rain 13.9 mm
Last 7 Days' Rain 32.7 mm
Last 31 Days' Rain 103.6 mm
Last 365 Days' Rain 767.9 mm
Monthly Rain 65.9 mm (193%)
Annual Rain 335.0 mm (153%)
Spring Rain 200.5 mm (164%)
--- ---
Consecutive Dry Days 1 day
Monthly Rain Days 8
Annual Rain Days 72
Daily Rain Last Year 0.0 mm
Last Month Rain-to-date 27.3 mm
Last Year Rain-to-date 214.2 mm
Current Extremes
Measure Year Month Today Yesterday
Max Rain Rate 100 mm/h
2nd May
100 mm/h
2nd
-
n/a
66 mm/h
04:44
Most Rain In One Hour 6.6 mm
21st May
6.6 mm
21st
-
n/a
3.4 mm
06:35
Wettest Day 19.4 mm
28th Apr
18.8 mm
21st
-
-
Longest Wet Spell 10 days
27th Dec - 5th Jan
2 days
21st May - 22nd
-
-
Longest Dry Spell 15 days
6th Jan - 20th Jan
6 days
8th May - 13th
-
-
Wettest Month 83.1 mm
Feb
-
-
-
Driest Month 51.4 mm
Jan
-
-
-
Most Rain Days 21
Feb
-
-
-
Fewest Rain Days 10
Jan
-
-
-
Last 31 days rainfall in London NW3

Records
Measure Overall May 23rd May
Max Rain Rate 162 mm/h
7th Feb 2016
100 mm/h
Day 29, 2017
14 mm/h
2021
Most Rain In One Hour 33.3 mm
27th Jun 2009
13.1 mm
Day 1, 2010
2.0 mm
2015
Wettest Day 42.0 mm
12th Jul 2021
35.6 mm
Day 17, 2017
4.6 mm
2021
Longest Wet Spell 19 days
30th Dec - 17th Jan 2014
7 days
7th May - 13th May 2014
-
Longest Dry Spell 27 days
16th May - 11th Jun 2023
27 days
16th May - 11th Jun 2023
-
Wettest Month 165.8 mm
Oct 2020
85.9 mm
2017
-
Driest Month 0.8 mm
Jun 2018
5.5 mm
2020
-
Most Rain Days 29
Jan 2014
18
2021
-
Fewest Rain Days 2
Apr 2011
2
2020
-
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
8 106.1 mm Nov 2014

Past Year Monthly Totals
MonthTotalAnomaly
January 202451.4 mm87%
February 83.1 mm185%
March 70.1 mm180%
April 64.5 mm154%
May 202325.2 mm55%
June 29.9 mm64%
July 70.6 mm153%
August 45.2 mm84%
September 48.5 mm97%
October 94.2 mm145%
November 70.1 mm105%
December 74.4 mm131%
12-month Total 727.2 mm 118%
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 2023157.5 mm124%
Summer 2023145.7 mm99%
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