UK: average monthly rainfall deviation 2024

Since 2015, the greatest monthly rainfall deviation in the United Kingdom occurred in February 2020. This month saw a considerable increase of 139 millimeters from the long-term mean. In comparison, the same month in 2023 saw a decrease of almost 40 millimeters compared to the mean from 2002 to 2021.

Monthly average rainfall deviation from the long-term mean in the United Kingdom (UK) from January 2015 to September 2024 (in millimeters)

Characteristic	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024*
Dec	134	-36.8	-34.3	-42.4	41.2	-9.7	-50.9	-54.2	27.9	-
Nov	104.2	-45.8	-31.2	1.7	-88.3	38.3	-44.6	28.8	-52.2	-
Oct	-84.9	-110.6	17.5	7.7	-4.9	43.9	82.4	45.5	9.7	-
Sep	-80.9	55.7	10.5	38	12.5	13.6	2.8	-10.9	50.4	-52.3
Aug	-17.6	-4.6	2.6	-14.8	90.1	-0.6	-44.7	-39.5	-15.6	93.6
Jul	30.9	24.7	3.3	-23	28.2	50.9	-56.1	-25.2	29	-34.2
June	3.4	-20.1	45.7	-22.9	-7	16.3	-25.4	-3.9	-7.2	-12.7
May	62.7	-10.3	-44.3	-42.8	-16.5	-30	-29.3	15	-61.9	-24
Apr	6.4	16.5	-26.9	10.8	-37.8	-44.9	-50.6	-9.6	-9.9	48.7
Mar	59.9	-21.9	10.3	-24.9	50.3	30.2	45.5	-60.2	20.7	-7.2
Feb	-5.9	47	21.6	-20.4	-23.9	139	-5.9	101	-39.5	33.3
Jan	73.4	49.2	-81.6	16.1	-88.6	50.6	-42	-56.5	0.1	-15.5

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Release date

October 2024

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Region

United Kingdom

Survey time period

January 2015 to September 2024

Supplementary notes

* Provisional data.
The long-term mean takes into account the years 2002 to 2021.
Average rainfall in the United Kingdom was calculated by aggregating regional rainfall data and weighted based on each regions share of hydro-electricity generating capacity.
This statistic is using original data from the Government Digital Service and includes copyright material from © Crown, licensed under the Open Government License v3.0

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