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How much rain fell in St Dennis, Cornwall? Daily, weekly and monthly totals averaged over the Environment Agency rain gauges within 15km, updated every 15 minutes.
Next 24 hours: little or no rain forecast for the area around St Dennis (under 0.2mm).
A computer model forecast (DWD ICON) for a square about 15 km across, updated Tue 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).
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 | October | Today |
|---|---|---|---|---|---|
| Rainfall gauge nr St Dennis | 0.0km | 6.1mm | 122.6mm | 181.2mm | 0.0mm |
| Rainfall gauge nr St. Stephen-in-Brannel nr St. Stephen-in-Brannel | 6.5km | 3.1mm | 115.3mm | 165.7mm | 0.0mm |
| Rainfall gauge nr St. Columb Major nr St. Columb Major | 7.1km | 1.6mm | 85.6mm | 137.0mm | 0.0mm |
Daily totals 28 Sep–27 Oct. Wettest day: 30.5mm.
19 days with at least 0.2mm of rain so far this October at Rainfall gauge nr St Dennis, against a full-month average of 21.4 rain days (based on 10 months of records at this gauge).
2026 so far: 1,025 mm (1 Jan to 27 Oct), against 905 mm by the same date in an average year (2007–2025) — 13% wetter.
One bar per calendar year, the average of 7 local rain gauges: the Environment Agency's quality-checked daily archive, then live telemetry for the latest months. Wettest: 2024 (1,440 mm). Driest: 2011 (901 mm). Average: 1,221 mm a year.
Daily totals are the average of 7 local rain gauges, for UTC days; one gauge can catch much more than the average. A storm's figure adds up the rain measured on its dates, from our list of Met Office named storms and major floods — other weather on those days counts too.
St Dennis gets about 1,254 mm of rain a year on average (wettest month November, 150 mm; driest May, 71 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), 1.6 km from the town's gauge centre. 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 St Dennis's monitored area.
11 storm overflows within 5 km of the centre of St Dennis's monitored area. None of the 11 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: © South West Water storm overflow activity data, licensed under CC BY 4.0. Annual spill figures: Environment Agency Event Duration Monitoring return, © Environment Agency copyright and/or database right, Open Government Licence (OGL) v3.0.
Village in Cornwall, England
St Dennis is a civil parish and village in Cornwall, England, United Kingdom. The village is situated on the B3279 between Newquay and St Austell.
From Wikipedia, the free encyclopedia (CC BY-SA 4.0).
3.4mm of rain fell yesterday (27 Oct 2026), from the average of 7 rain gauges within 15km of St Dennis.
October so far: 149.1mm vs 126.6mm October average — 18% wetter. Figures are the average of 7 rain gauges within 15km.
Rainfall gauge nr St Dennis is the nearest rain gauge, 0.0km from the centre of St Dennis's monitored area. Rain gauges can be several kilometres from the town itself, so very local downpours may not register exactly.
19 days with at least 0.2mm of rain so far this October at Rainfall gauge nr St Dennis, against a full-month average of 21.4 rain days.
2024 was the wettest year in the record since 2007, with 1,440 mm from the average of 7 local rain gauges, against an average of 1,221 mm a year. The driest was 2011, with 901 mm.
10 Jun 2020: 59.8 mm on average across 7 local rain gauges, and up to 78.4 mm at one of them. Records since 2 Oct 2006.
Rainfall data: Environment Agency 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 St Dennis's monitored area — local rainfall can vary over short distances.
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