Average Annual Precipitation for the United Kingdom
The tables below give yearly averages for rainfall plus snowfall at cities and towns in the United Kingdom.
Each place has a total for how many days of wet weather it usually gets a year 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 annual amount of precipitation is an average of weather data collected from 1991 to 2020.
Annual precipitation averages for the entire UK are 159 days of rain or snow, totalling 1163 millimetres (45.8 inches).
Southern England
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 133 | Birmingham | 31.9 | 809 |
| 133 | Bristol | 31.9 | 810 |
| – | Dover | 32.8 | 832 |
| 142 | Isles of Scilly | 34.6 | 879 |
| 106 | London, Greenwich | 22.2 | 563 |
| 114 | London, Kew Gardens | 24.7 | 627 |
| 123 | Norwich | 26.9 | 684 |
| 126 | Nottingham | 28.2 | 716 |
| 149 | Plymouth | 40.9 | 1038 |
| 120 | Southampton | 32.2 | 819 |
| 133 | Stoke-on-Trent | 31.9 | 810 |
| 117 | Weymouth | 30.3 | 770 |
| 119 | Worthing | 29.6 | 753 |
Northern England
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| – | Ambleside, Windermere Lake | 82.8 | 2103 |
| – | Berwick-upon-Tweed | 23.9 | 606 |
| 156 | Dumfries | 46.5 | 1181 |
| 125 | Hull | 27.3 | 693 |
| 147 | Liverpool | 32.5 | 824 |
| 156 | Manchester | 34.2 | 868 |
| – | Middlesbrough | 23.5 | 596 |
| 143 | Newcastle upon Tyne | 39.4 | 1001 |
| 165 | Prestwick | 38.6 | 981 |
| 159 | Rochester, Northumberland Park | 37.0 | 941 |
| 133 | Sheffield | 32.7 | 832 |
Wales
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 153 | Cardiff | 47.4 | 1203 |
| 171 | Harlech | 43.3 | 1100 |
| – | Llandrindod Wells | 43.2 | 1096 |
| 147 | Rhyl | 32.6 | 828 |
| 153 | Swansea | 40.2 | 1022 |
Scotland
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 143 | Aberdeen | 32.8 | 833 |
| 127 | Dundee | 29.5 | 749 |
| 128 | Edinburgh | 28.6 | 728 |
| 174 | Glasgow | 49.7 | 1263 |
| 148 | Inverness | 29.7 | 755 |
| 191 | Kirkwall, Orkney Islands | 41.3 | 1049 |
| 204 | Lerwick, Shetland Islands | 49.3 | 1252 |
| 206 | Stornoway, Outer Hebrides | 48.6 | 1236 |
| 198 | Tiree, Inner Hebrides | 50.2 | 1275 |
Northern Ireland
| Days | Place | Inches | Millimetres |
|---|---|---|---|
| 151 | Armagh | 32.4 | 824 |
| 156 | Belfast | 37.0 | 939 |
| 192 | Castlederg | 46.0 | 1167 |
| 176 | Londonderry | 33.9 | 861 |
| 155 | Warrenpoint | 41.8 | 1061 |
Reference
Met Office. Research programmes. Climate science. UK Climate Averages.