Rainfall in Wales
How much rain has fallen across Wales over the last 3, 6 and 12 months, against the 1991–2020 average for the same months, to the end of October 2026. A low share over several months is what dries out rivers and reservoirs; one wet week does not undo it.
Last 3 months · Aug–Oct 2026
91%
average
of the average: about normal.
348 mm fell, against 382 mm on average.
Last 6 months · May–Oct 2026
80%
average
of the average: below normal.
525 mm fell, against 660 mm on average.
Last 12 months · Nov 2025–Oct 2026
101%
average
of the average: about normal.
1,482 mm fell, against 1,465 mm on average.
Month by month
Rain over the whole of Wales each month, from the Met Office's gridded series, against the 1991–2020 average for that month. A month appears once the Met Office publishes it.
Rain that month1991–2020 average for that month
The figures as a table
| Month | Rain | Average | Share of average |
|---|---|---|---|
| October 2026 | 163 mm | 159 mm | 103% |
| September 2026 | 113 mm | 112 mm | 101% |
| August 2026 | 72 mm | 112 mm | 65% |
| July 2026 | 9 mm | 99 mm | 9% |
| June 2026 | 98 mm | 92 mm | 106% |
| May 2026 | 70 mm | 87 mm | 80% |
| April 2026 | 56 mm | 88 mm | 63% |
| March 2026 | 95 mm | 104 mm | 92% |
| February 2026 | 163 mm | 120 mm | 135% |
| January 2026 | 176 mm | 155 mm | 113% |
| December 2025 | 207 mm | 176 mm | 118% |
| November 2025 | 261 mm | 162 mm | 161% |
Every rain gauge in Wales
148 rain gauges in Wales of the 150 we hold have at least one complete month in the last year. Each is compared with the average of the 5 km square it stands in (Met Office HadUK-Grid, 1991–2020). A dash means a month in that window has readings missing, so its total is not known: it is not a dry month. Run by Natural Resources Wales, apart from a few on border rivers run by the Environment Agency.
How the gauges split, last 3 months
47%
35%
10%
Well below (under 70%) · 5Below (70–89%) · 69About normal (90–110%) · 52Above (over 110%) · 7Not every month complete · 15
On the map
Well below (under 70%)Below (70–89%)About normal (90–110%)Above (over 110%)Not every month complete
Every gauge as a table (148)
| Rain gauge | 3 months | 6 months | 12 months | 12 months, rain |
|---|---|---|---|---|
| Abercregan River Station Neath Port Talbot |
67% | 70% | 88% | 2,141 mm |
| Abergorlech Raingauge Carmarthenshire |
— | — | — | — |
| Abernant River Station Powys |
85% | 78% | 95% | 1,615 mm |
| Abersoch Raingauge Gwynedd |
88% | 73% | 98% | 1,031 mm |
| Afon Colwyn River Station Gwynedd |
98% | 84% | 100% | 2,813 mm |
| Bethesda Quarry Raingauge Gwynedd |
101% | 83% | 105% | 1,919 mm |
| Birchgrove Raingauge Swansea |
92% | 85% | 112% | 1,569 mm |
| Blaenogwr Raingauge Bridgend |
101% | 93% | 116% | 2,819 mm |
| Bleddfa Raingauge Powys |
94% | 81% | 111% | 1,265 mm |
| Bolton Hill Raingauge Pembrokeshire |
72% | 66% | — | — |
| Bontgoch Raingauge Ceredigion |
107% | 89% | 98% | 1,455 mm |
| Bow Street Raingauge Ceredigion |
93% | 76% | 89% | 975 mm |
| Brackla Raingauge Bridgend |
102% | 94% | 104% | 1,521 mm |
| Break Your Neck Falls Raingauge Powys |
86% | 72% | 105% | 1,299 mm |
| Brecon WTW Powys |
68% | 61% | 87% | 1,099 mm |
| Brynamman Raingauge Carmarthenshire |
85% | 78% | 101% | 2,067 mm |
| Bryncoch Raingauge Carmarthenshire |
81% | 74% | 95% | 1,688 mm |
| Brynhyfryd Ruthin School Raingauge Denbighshire |
82% | 62% | 80% | 683 mm |
| Bwlch Y Sarnau Raingauge Powys |
75% | 65% | 86% | 1,106 mm |
| Bynea Raingauge Carmarthenshire |
125% | 105% | 120% | 1,439 mm |
| Caio Raingauge Carmarthenshire |
91% | 79% | 107% | 1,683 mm |
| Carno Reservoir Raingauge Blaenau Gwent |
85% | 79% | 111% | 1,759 mm |
| Cefn Coch Raingauge Powys |
82% | 73% | 89% | 1,195 mm |
| Cellan Raingauge Ceredigion |
— | — | — | — |
| Ciloerwynt Raingauge Powys |
89% | 77% | 95% | 1,786 mm |
| Clarbeston Road Raingauge Pembrokeshire |
— | — | — | — |
| Clawddnewydd Raingauge Denbighshire |
80% | 67% | 80% | 845 mm |
| Cogmoors Raingauge Vale of Glamorgan |
89% | 85% | 108% | 1,033 mm |
| Corris - Aberllefenni Raingauge Gwynedd |
95% | 83% | 99% | 2,529 mm |
| Cowbridge STW Raingauge Vale of Glamorgan |
95% | 92% | 108% | 1,273 mm |
| Crai Reservoir Powys |
92% | 84% | 111% | 2,508 mm |
| Criccieth Raingauge Gwynedd |
88% | 74% | 96% | 1,187 mm |
| Croeserw Raingauge Neath Port Talbot |
106% | 96% | 106% | 2,586 mm |
| Crynant Raingauge Neath Port Talbot |
100% | 93% | 113% | 2,090 mm |
| Cwm Dyli Raingauge Gwynedd |
95% | 85% | — | — |
| Cwm Rheidol Raingauge Ceredigion |
95% | 80% | 82% | 1,287 mm |
| Cwmafon Raingauge Torfaen |
74% | 69% | 121% | 1,839 mm |
| Cwmtillery Raingauge Blaenau Gwent |
74% | 70% | 108% | 1,650 mm |
| Cynefail River Station Gwynedd |
6% | 5% | 42% | 922 mm |
| Cynghordy Raingauge Carmarthenshire |
88% | 81% | 96% | 1,476 mm |
| Dan Yr Ogof Raingauge Powys |
98% | 91% | 107% | 2,470 mm |
| Dinas Raingauge Ceredigion |
119% | 102% | 106% | 1,887 mm |
| Dolydd Raingauge Powys |
115% | 96% | 95% | 1,839 mm |
| Dyffryn Isaf Llantrisant Raingauge Rhondda Cynon Taf |
122% | 112% | 127% | 1,971 mm |
| Elan Village Raingauge Powys |
80% | 71% | 89% | 1,389 mm |
| Felinfoel Raingauge Carmarthenshire |
94% | 85% | 104% | 1,397 mm |
| Ferwig Raingauge Ceredigion |
84% | 66% | 91% | 1,026 mm |
| Fforch Dwm Raingauge Neath Port Talbot |
— | — | — | — |
| Five Fords Raingauge Wrexham |
93% | 72% | 102% | 723 mm |
| Frongoch River Station Ceredigion |
85% | 74% | 82% | 1,288 mm |
| Garnswllt Raingauge Swansea |
— | — | — | — |
| Gorslas Raingauge Carmarthenshire |
97% | 87% | 117% | 1,887 mm |
| Gowerton Raingauge Swansea |
85% | 79% | 99% | 1,318 mm |
| Gwytherin Raingauge Conwy |
94% | 73% | 84% | 1,152 mm |
| Henfryn Raingauge Powys |
84% | 73% | 91% | 926 mm |
| Hirwaun Raingauge Rhondda Cynon Taf |
75% | 77% | 103% | 2,000 mm |
| Llan Y Mawddwy Raingauge Gwynedd |
— | — | — | — |
| Llanbadarn Fynydd Raingauge Powys |
75% | 67% | 88% | 1,130 mm |
| Llanbrynmair Raingauge Powys |
105% | 89% | 95% | 1,830 mm |
| Llanfyllin Raingauge Powys |
93% | 75% | 101% | 964 mm |
| Llanfynydd Raingauge Flintshire |
71% | 57% | 88% | 847 mm |
| Llanfyrnach Raingauge Pembrokeshire |
78% | 74% | 105% | 1,811 mm |
| Llangendeirne River Station Carmarthenshire |
83% | 78% | 117% | 1,726 mm |
| Llangurig Raingauge Powys |
100% | 92% | 95% | 1,582 mm |
| Llangynog Raingauge Powys |
76% | 65% | 87% | 1,411 mm |
| Llanrwst Raingauge Conwy |
75% | 61% | 77% | 1,400 mm |
| Llantwit Major Raingauge Vale of Glamorgan |
87% | 86% | 98% | 988 mm |
| Llanyre Raingauge Powys |
83% | 72% | 100% | 1,104 mm |
| Llechryd Raingauge Ceredigion |
60% | 54% | 78% | 946 mm |
| Llety Brongu Raingauge Bridgend |
114% | 105% | 122% | 2,228 mm |
| Llwynon Reservoir River Station Merthyr Tydfil |
81% | 77% | 98% | 1,869 mm |
| Llyn Alaw Raingauge Isle of Anglesey |
95% | 84% | 99% | 1,050 mm |
| Llyn Cefni Raingauge Isle of Anglesey |
88% | 79% | 106% | 1,184 mm |
| Llynyfan Raingauge Carmarthenshire |
75% | 67% | 97% | 2,065 mm |
| Lodge Farm Raingauge Newport |
81% | 78% | 105% | 1,231 mm |
| Loggerheads Raingauge Denbighshire |
101% | 77% | 94% | 860 mm |
| Machen Waterloo Raingauge Caerphilly |
79% | 76% | 104% | 1,511 mm |
| Maenclochog Raingauge Pembrokeshire |
102% | 90% | 121% | 2,059 mm |
| Maerdy WTW Raingauge Rhondda Cynon Taf |
85% | 80% | 108% | 2,587 mm |
| Maes Y Rhiw Raingauge Torfaen |
86% | 81% | 119% | 1,680 mm |
| Mathry Raingauge Pembrokeshire |
— | — | — | — |
| Moel Y Crio Raingauge Flintshire |
97% | 71% | 95% | 888 mm |
| Mold Raingauge Flintshire |
94% | 69% | — | — |
| Myddfai Raingauge Carmarthenshire |
81% | 70% | 84% | 1,397 mm |
| Nant Y Ffrith Raingauge Denbighshire |
78% | 62% | 87% | 967 mm |
| Nant Y Maen Raingauge Ceredigion |
102% | 90% | 100% | 1,957 mm |
| Nant Yr Ysfa Raingauge Rhondda Cynon Taf |
89% | 84% | 105% | 2,309 mm |
| Nantgwyn Raingauge Powys |
83% | 75% | 89% | 1,202 mm |
| Nelson Raingauge Caerphilly |
74% | 68% | 94% | 1,553 mm |
| Northop Raingauge Flintshire |
102% | 74% | 87% | 787 mm |
| Pant Gwyn Raingauge Gwynedd |
111% | 97% | 100% | 2,134 mm |
| Pant Mawr River Station Powys |
75% | 70% | 78% | 1,905 mm |
| Pen Y Coed Raingauge Powys |
109% | 94% | 106% | 1,836 mm |
| Pen Y Gwely Raingauge Powys |
82% | 65% | 95% | 1,095 mm |
| Pencader Raingauge Carmarthenshire |
82% | 75% | 98% | 1,618 mm |
| Pentlepoir Raingauge Pembrokeshire |
94% | 83% | 106% | 1,392 mm |
| Penuwch Raingauge Ceredigion |
75% | 66% | 78% | 1,001 mm |
| Pitton Raingauge Swansea |
97% | 84% | 99% | 1,052 mm |
| Plas Pigot Raingauge Conwy |
100% | 77% | 85% | 954 mm |
| Pontrydfendigaid No2 Raingauge Ceredigion |
100% | 86% | 93% | 1,344 mm |
| Pontsticill Upper Raingauge Merthyr Tydfil |
84% | 79% | 104% | 1,950 mm |
| Porthmadog Raingauge Gwynedd |
90% | 80% | 101% | 1,412 mm |
| Pwll Peiran Raingauge Ceredigion |
105% | 81% | 95% | 1,767 mm |
| Rainfall station Powys |
— | — | — | — |
| Rainfall station Powys |
— | — | — | — |
| Rainfall station Powys |
— | — | — | — |
| Rainfall station Powys |
— | — | — | — |
| Rainfall station Powys |
— | — | — | — |
| Resolven Raingauge Neath Port Talbot |
87% | 84% | 108% | 2,096 mm |
| Rhiwbina Reservoir Raingauge Cardiff |
93% | 85% | 102% | 1,432 mm |
| Rhiwsaeson STW Raingauge Cardiff |
101% | 91% | 104% | 1,496 mm |
| Rhos Y Meirch Raingauge Powys |
76% | 63% | 97% | 994 mm |
| Rhos Ymryson Raingauge Ceredigion |
78% | 72% | 104% | 1,440 mm |
| Rhyader STW Raingauge Powys |
81% | 70% | 90% | 1,189 mm |
| Rhyd Y Main Raingauge Gwynedd |
107% | 94% | 98% | 2,020 mm |
| Rhydargaeau Raingauge Carmarthenshire |
80% | 75% | 110% | 1,819 mm |
| Rhymney Reservoir Raingauge Caerphilly |
80% | 77% | 104% | 1,750 mm |
| Sarn Raingauge Powys |
70% | 56% | 91% | 831 mm |
| Southgate Raingauge Swansea |
85% | 79% | 91% | 1,035 mm |
| Spyte Raingauge Swansea |
101% | 94% | 115% | 1,796 mm |
| St Asaph Raingauge Denbighshire |
101% | 74% | 88% | 643 mm |
| St Fagans Raingauge Cardiff |
91% | 82% | 98% | 1,178 mm |
| Storey Arms Raingauge Powys |
91% | 87% | 114% | 2,339 mm |
| Tafalog River Station Monmouthshire |
78% | 69% | 107% | 1,565 mm |
| Tal Y Maes Raingauge Powys |
— | — | — | — |
| Talgarth Raingauge Powys |
63% | 56% | 70% | 854 mm |
| Tavernspite Raingauge Carmarthenshire |
91% | 91% | 126% | 1,862 mm |
| Tenby Raingauge Pembrokeshire |
85% | 77% | 108% | 1,308 mm |
| Trearddur Bay Raingauge Isle of Anglesey |
86% | 80% | 115% | 1,018 mm |
| Trebanos Raingauge Neath Port Talbot |
81% | 74% | 94% | 1,530 mm |
| Trelech Raingauge Carmarthenshire |
81% | 78% | 113% | 1,896 mm |
| Trelewis Raingauge Merthyr Tydfil |
81% | 76% | 112% | 1,852 mm |
| Trevethin Raingauge Torfaen |
74% | 64% | 112% | 1,637 mm |
| Tryweryn Dam Pluvio and Raingauge Gwynedd |
84% | 76% | 93% | 1,731 mm |
| Ty Fry Raingauge Caerphilly |
82% | 77% | 112% | 1,620 mm |
| Tyn Y Waun Treherbert Raingauge Rhondda Cynon Taf |
93% | 86% | 112% | 2,964 mm |
| Upper Chapel Raingauge Powys |
— | — | — | — |
| Upper Lliw Raingauge Swansea |
— | — | — | — |
| Usk Reservoir No2 Raingauge Powys |
95% | 80% | 86% | 1,539 mm |
| Victoria Park Raingauge Swansea |
84% | 75% | 93% | 1,176 mm |
| Vyrnwy Raingauge Powys |
97% | 83% | 100% | 1,663 mm |
| Welshpool Raingauge Powys |
71% | 55% | 86% | 727 mm |
| Ynysfro Raingauge Newport |
82% | 78% | 107% | 1,308 mm |
| Ysbyty Ifan Raingauge Conwy |
97% | 83% | 91% | 1,893 mm |
| Ystradfellte Raingauge Powys |
88% | 86% | 111% | 2,166 mm |
| Ystradffin No1 Raingauge Carmarthenshire |
90% | 82% | 103% | 1,902 mm |
| Ystradgynlais Raingauge Powys |
90% | 81% | 108% | 2,143 mm |
| Ystradowen Raingauge Neath Port Talbot |
115% | 104% | 137% | 2,492 mm |
Reservoir levels in Wales: reservoirs in Wales. Live rain: the rainfall map. Warnings, rivers and more: Wales.
Rainfall: Met Office HadUK-Grid areal series (monthly) and its 1991–2020 averages. Contains public sector information licensed under the Open Government Licence v3.0. Rain: Environment Agency, Natural Resources Wales and SEPA rain gauges, as kept by FloodRadar. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0. Contains Natural Resources Wales information © Natural Resources Wales and Database Right, reused under the Open
Government Licence v3.0. Data sources and licences.