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 0.0 mm
Rain Last 6 hrs 0.0 mm
Rain Last 24 hrs 3.4 mm
Rain Duration 0.0 hrs
Rain Rate 0.0 mm/h
Past 24hrs Duration 5 hrs
--- ---
Most Recent Rain 7 hours ago
Yesterday's Rain 4.2 mm
Last 7 Days' Rain 8.3 mm
Last 31 Days' Rain 63.1 mm
Last 365 Days' Rain 561.0 mm
Monthly Rain 4.4 mm (120%)
Annual Rain 521.3 mm (92%)
Winter Rain 4.4 mm (120%)
--- ---
Consecutive Wet Days 2 days
Monthly Rain Days 2
Annual Rain Days 106
Daily Rain Last Year 0.0 mm
Last Month Rain-to-date 8.0 mm
Last Year Rain-to-date 755.5 mm
Current Extremes
Measure Year Month Today Yesterday
Max Rain Rate 108 mm/h
31st Oct
3.6 mm/h
1st
-
n/a
3.6 mm/h
20:27
Most Rain In One Hour 26.4 mm
12th May
1.2 mm
1st
0.2 mm
1.2 mm
23:47
Wettest Day 35.8 mm
19th Jul
4.2 mm
1st
-
-
Longest Wet Spell 7 days
9th Sep - 15th Sep
2 days
1st Dec - Current
-
-
Longest Dry Spell 22 days
24th Mar - 14th Apr
-
n/a
-
-
Wettest Month 88.5 mm
Jan
-
-
-
Driest Month 3.8 mm
Mar
-
-
-
Most Rain Days 16
Nov
-
-
-
Fewest Rain Days 2
Mar
-
-
-
Last 31 days rainfall in London NW3

Records
Measure Overall December 2nd Dec
Max Rain Rate 162 mm/h
7th Feb 2016
126 mm/h
Day 22, 2015
2.6 mm/h
2018
Most Rain In One Hour 33.3 mm
27th Jun 2009
6.3 mm
Day 23, 2022
4.4 mm
2009
Wettest Day 42.0 mm
12th Jul 2021
21.7 mm
Day 20, 2012
10.9 mm
2009
Longest Wet Spell 19 days
30th Dec - 17th Jan 2014
13 days
28th Nov - 10th Dec 2009
-
Longest Dry Spell 27 days
16th May - 11th Jun 2023
11 days
13th Dec - 23rd Dec 2021
-
Wettest Month 165.8 mm
Oct 2020
101.4 mm
2012
-
Driest Month 0.8 mm
Jun 2018
10.5 mm
2016
-
Most Rain Days 29
Jan 2014
24
2015
-
Fewest Rain Days 2
Apr 2011
8
2016
-
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 32.0 mm 13th Sep 2013
13 32.0 mm 24th Sep 2019
14 31.9 mm 24th Jul 2015
15 31.7 mm 1st May 2010

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 0.2 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
6 120.1 mm Sep 2024
7 118.3 mm Aug 2014
8 117.7 mm Jun 2012

Past Year Monthly Totals
MonthTotalAnomaly
January 202588.5 mm150%
February 49.0 mm109%
March 3.8 mm10%
April 25.7 mm61%
May 49.6 mm108%
June 28.4 mm60%
July 62.2 mm135%
August 25.0 mm46%
September 50.3 mm101%
October 71.7 mm110%
November 62.7 mm94%
December 202443.0 mm75%
12-month Total 559.9 mm 91%
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 3.8 mm Mar 2025
7 3.9 mm Feb 2023
8 4.4 mm Current

Past Year Seasonal Totals
SeasonTotalAnomaly
Winter 24/25180.5 mm112%
Spring 202579.1 mm62%
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

Last 24hrs Rainfall