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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 0.0 mm
Rain Last 24 hrs 0.0 mm
Rain Duration 0.0 hrs
Rain Rate 0.0 mm/h
Past 24hrs Duration 0 hrs
--- ---
Most Recent Rain 45 days ago
Yesterday's Rain 0.0 mm
Last 7 Days' Rain 0.0 mm
Last 31 Days' Rain 0.0 mm
Last 365 Days' Rain 612.1 mm
Monthly Rain 0.0 mm (0%)
Annual Rain 343.0 mm (100%)
Summer Rain 101.2 mm (85%)
--- ---
Consecutive Dry Days 45 days
Monthly Rain Days 0
Annual Rain Days 78
Daily Rain Last Year 0.2 mm
Last Month Rain-to-date 0.0 mm
Last Year Rain-to-date 308.2 mm
Current Extremes
Measure Year Month Today Yesterday
Max Rain Rate 84 mm/h
23rd Jun
-
1st
-
n/a
-
n/a
Most Rain In One Hour 32.0 mm
23rd Jun
-
1st
-
n/a
-
n/a
Wettest Day 33.6 mm
2nd Jun
0.0 mm
1st
-
-
Longest Wet Spell 9 days
5th Feb - 13th Feb
-
n/a
-
-
Longest Dry Spell 45 days
28th Jun - Current
45 days
28th Jun - Current
-
-
Wettest Month 103.2 mm
Jan
-
-
-
Driest Month 0.0 mm
Jul
-
-
-
Most Rain Days 22
Feb
-
-
-
Fewest Rain Days 4
Apr
-
-
-
Last 31 days rainfall in London NW3

Records
Measure Overall August 11th Aug
Max Rain Rate 162 mm/h
7th Feb 2016
119 mm/h
Day 10, 2018
90 mm/h
2014
Most Rain In One Hour 33.3 mm
27th Jun 2009
23.3 mm
Day 10, 2014
5.6 mm
2014
Wettest Day 42.0 mm
12th Jul 2021
39.1 mm
Day 9, 2017
7.3 mm
2014
Longest Wet Spell 19 days
30th Dec - 17th Jan 2014
7 days
13th Aug - 19th Aug 2020
-
Longest Dry Spell 45 days
28th Jun - Current
23 days
23rd Jul - 14th Aug 2022
-
Wettest Month 165.8 mm
Oct 2020
118.3 mm
2014
-
Driest Month 0.0 mm
Jul 2026
18.1 mm
2016
-
Most Rain Days 29
Jan 2014
16
2015
-
Fewest Rain Days 2
Apr 2011
4
2022
-
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 35.8 mm 19th Jul 2025
9 35.6 mm 17th May 2017
10 34.3 mm 6th Aug 2009
11 34.0 mm 3rd Oct 2020
12 33.6 mm 2nd Jun 2026
13 32.6 mm 23rd Jun 2026
14 32.0 mm 13th Sep 2013
15 32.0 mm 24th Sep 2019

More Records
MeasureValue and Date
Wettest Year 815.2 mm, 2014
Driest Year 507.0 mm, 2011
Wettest 365 days 882.5 mm, Ending 9th Oct 2024
Driest 365 days 394.0 mm, Ending 10th Aug 2022
Wettest 31 days 170.4 mm, Ending 18th Nov 2022
Driest 31 days 0.0 mm, Ending 28th Jul 2026
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
6 120.1 mm Sep 2024
7 118.3 mm Aug 2014
8 117.7 mm Jun 2012

Past Year Monthly Totals
MonthTotalAnomaly
January 2026103.2 mm175%
February 96.6 mm215%
March 28.3 mm73%
April 2.3 mm5%
May 11.4 mm25%
June 101.2 mm215%
July 0.0 mm0%
August 202525.0 mm46%
September 50.3 mm101%
October 71.7 mm110%
November 62.7 mm94%
December 60.4 mm106%
12-month Total 613.1 mm 99%
Driest Months
RankValueDate
1 0.0 mm Jul 2026
2 0.0 mm Jul 2026
3 0.8 mm Jun 2018
4 1.8 mm Apr 2011
5 2.3 mm Apr 2026
6 2.3 mm Jul 2022
7 2.8 mm Apr 2021
8 2.9 mm Apr 2017

Past Year Seasonal Totals
SeasonTotalAnomaly
Winter 25/26260.2 mm162%
Spring 202642.0 mm33%
Summer 2025115.6 mm79%
Autumn 2025184.7 mm101%

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