← Back to map See current gauge page →

Llan Y Mawddwy Raingauge

Gwynedd
0 mm/hr
Current rainfall rate
None
Updated 23:15 · 34 min ago
🌧
🏠 Buying or renting around here? Get the Property Flood-Risk Report for any English postcode — official risk band, recorded floods, warning history, river behaviour and nearby storm overflows. £19 one-off. Learn more →

Hourly totals require a complete set of 15-minute observations ending at the latest reading shown above. Unavailable means observations are missing or the gauge is more than 75 minutes behind, not that no rain fell. Longer recorded amounts and charts may cover only part of the selected period.

0mm
Last Hour
0.4mm
Last 6 Hours
8.8mm
Last 24 Hours
128.6mm
Recorded in 7 Days (partial)
242.8mm
October Recorded (partial)
469.4mm
2026 Recorded (partial)

Nearby gauges

Rain forecast

Next 24 hours: about 12.8mm of rain forecast for the area around this gauge, heaviest in the hour to Wed 08:00 (3.7mm).

A computer model forecast (DWD ICON) for a square about 15 km across, updated 23:05 UK time. It is a forecast, not a measurement, and not a Met Office forecast. Weather data by Open-Meteo (CC BY 4.0).

Rainfall Chart — available observations

Monthly Rainfall Overview

This area gets about 2,224 mm of rain a year on average (wettest month December, 276 mm; driest April, 130 mm). That is 91% wetter than the UK as a whole, which averages 1,163 mm a year. Source: Met Office HadUK-Grid 1991–2020 (5 km grid), 1.5 km away. Average rainfall: HadUK-Grid v1.3.2, Met Office. Contains public sector information licensed under the Open Government Licence v3.0.

Loading monthly data...

Rainfall Records

Loading records...

24h Weather Forecast

Loading forecast...
Precipitation -12h / +12h

🚽 Storm overflows within 3 km

Sewer overflows near this rain gauge, from the water companies’ live event-duration monitors and their official annual spill figures. Spill starts also appear as markers on the rainfall chart above.

Loading...

Location

Station ref
NRW_H064001817
Lat, lng
52.7399, -3.6452
County
Gwynedd
Data from
2026-09-06
Check flood risk for your postcode →
🏠 Buying or renting around here? Get the Property Flood-Risk Report for any English postcode — official risk band, recorded floods, warning history, river behaviour and nearby storm overflows. £19 one-off. Learn more →