FloodRadar
Log inCreate free account
FloodRadar
Log inCreate free account
How much rain fell in Bangor, Gwynedd? Daily, weekly and monthly totals averaged over the Natural Resources Wales rain gauges within 15km, updated every 15 minutes.
Next 24 hours: about 0.6mm of rain forecast for the area around Bangor, heaviest in the hour to Wed 02:00 (0.2mm).
A computer model forecast (DWD ICON) for a square about 15 km across, updated 11:05 UK time. It is a forecast, not a measurement, and not a Met Office forecast. Weather data by Open-Meteo (CC BY 4.0).
Daily totals for UK days from the same computer model; "dry" means under 0.2mm. Forecasts further ahead are less certain.
| Gauge | Distance | Yesterday | 7 days | November | Today |
|---|---|---|---|---|---|
| Bethesda Quarry Raingauge | 7.9km | 0.0mm | 2.4mm | 4.4mm | 0.0mm |
| Llyn Cefni Raingauge | 14.3km | 0.0mm | 0.0mm | 0.4mm | 0.2mm |
| Cwm Dyli Raingauge | 19.5km | 0.0mm | 0.0mm | 0.6mm | 0.0mm |
Daily totals 11 Oct–9 Nov. Wettest day: 23.3mm.
4 days with at least 0.2mm of rain so far this November at Bethesda Quarry Raingauge, against a full-month average of 21.5 rain days (based on 2 months of records at this gauge).
The rain gauges near Bangor do not have a long enough daily record yet, so this is the Met Office series for the wider region.
Yearly rainfall 1986–2025, with the dashed line at the 1991–2020 average. Wettest: 2000 (1,691 mm). Driest: 1996 (1,021 mm). Source: Met Office HadUK-Grid areal series, Open Government Licence v3.0.
Bangor gets about 1,130 mm of rain a year on average (wettest month November, 133 mm; driest May, 67 mm). That is close to the UK as a whole, which averages 1,163 mm a year.
Monthly averages in mm. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 0.5 km from the centre of Bangor. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0. UK comparison: Met Office HadUK-Grid areal series, 1991-2020, Open Government Licence v3.0.
Rain gauge River gauge Storm overflow
A level is shown only when the gauge's latest reading is under 6 hours old. Distances are straight-line from the centre of Bangor.
26 storm overflows within 5 km of the centre of Bangor. None of the 26 with a live status is discharging right now.
Event Duration Monitors show when an overflow may be spilling; they do not confirm it, and this is not advice on water quality. A live status older than two hours counts as no current status. Live status: © Dŵr Cymru Welsh Water, from its Storm Overflow Map.
Cathedral city and community in Gwynedd, Wales
Bangor is a cathedral city and community in Gwynedd, Wales. Historically part of Caernarfonshire, the community had a population of 15,060 at the 2021 census, and the built-up area had a population of 16,990. Landmarks include Bangor Cathedral, Bangor University and Garth Pier. The Britannia and Menai Suspension bridges connect the city to the Isle of Anglesey.
From Wikipedia, the free encyclopedia (CC BY-SA 4.0).
0.0mm of rain fell yesterday (9 Nov 2026), from the average of 2 rain gauges within 15km of Bangor.
November so far: 2.4mm vs 175.1mm November average — 99% drier (the average covers the whole month; we are 10 days in). Figures are the average of 2 rain gauges within 15km.
Bethesda Quarry Raingauge is the nearest rain gauge, 7.9km from the centre of Bangor. Rain gauges can be several kilometres from the town itself, so very local downpours may not register exactly.
4 days with at least 0.2mm of rain so far this November at Bethesda Quarry Raingauge, against a full-month average of 21.5 rain days.
Rainfall data: Natural Resources Wales rain gauges, synced every 15 minutes. Daily totals are computed overnight (UTC days); "today so far" is live. Gauge distances are straight-line from the centre of Bangor — local rainfall can vary over short distances. The centre of Bangor is the Ordnance Survey Open Names point for the city or town. Contains OS data © Crown copyright and database right 2026 (OGL v3.0).
FloodRadar helper · beta
