Average Rainfall for the United Kingdom in August

The tables below give monthly averages for rainfall during August at cities and towns in the United Kingdom.

Each place has a total for how many days of wet weather it usually gets this month and for the normal amount of precipitation. The calculation of days only includes the days when precipitation totalled at least one millimetre (0.04 inches).

The month's total rainfall is an average of weather data collected from 1991 to 2020.

In August, the entire UK averages 13 days of rain, totalling 94 millimetres (3.7 inches).

Southern England

Average monthly precipitation in August
Days	Place	Inches	Millimetres
10	Birmingham	2.7	68
11	Bristol	2.8	71
–	Dover	2.5	64
10	Isles of Scilly	3.0	77
8	London, Greenwich	2.1	53
8	London, Kew Gardens	2.2	55
9	Norwich	2.6	66
10	Nottingham	2.5	64
11	Plymouth	3.2	80
8	Southampton	2.3	59
11	Stoke-on-Trent	2.8	71
8	Weymouth	2.2	55
8	Worthing	2.3	59

Northern England

August averages for total rainfall
Days	Place	Inches	Millimetres
–	Ambleside, Windermere Lake	6.2	158
–	Berwick-upon-Tweed	2.5	62
13	Dumfries	3.8	97
10	Hull	2.5	65
12	Liverpool	2.8	72
14	Manchester	3.1	80
–	Middlesbrough	2.5	63
12	Newcastle upon Tyne	3.3	83
13	Prestwick	3.5	88
13	Rochester, Northumberland Park	3.2	82
10	Sheffield	2.6	65

Wales

Average amount of rain in August
Days	Place	Inches	Millimetres
12	Cardiff	4.1	105
13	Harlech	3.2	83
–	Llandrindod Wells	3.2	81
12	Rhyl	2.7	69
12	Swansea	3.5	88

Scotland

Precipitation totals for August
Days	Place	Inches	Millimetres
11	Aberdeen	2.7	68
11	Dundee	2.9	74
10	Edinburgh	2.8	72
14	Glasgow	3.7	95
12	Inverness	2.6	65
13	Kirkwall, Orkney Islands	2.9	73
13	Lerwick, Shetland Islands	3.5	89
15	Stornoway, Outer Hebrides	3.4	88
15	Tiree, Inner Hebrides	4.1	103

Northern Ireland

Total precipitation during August
Days	Place	Inches	Millimetres
13	Armagh	3.1	78
14	Belfast	3.3	85
16	Castlederg	3.6	91
14	Londonderry	3.0	76
13	Warrenpoint	3.6	91

Average August Rainfall for the United Kingdom

Southern England

Northern England

Wales

Scotland

Northern Ireland

Reference

More on Weather in the United Kingdom