Home › Rainfall › Sandon

Rainfall in Sandon

How much rain fell in Sandon, Essex? Daily, weekly and monthly totals averaged over the Environment Agency rain gauges within 15km, updated every 15 minutes.

The average of 9 rain gauges within 15km of the centre of Sandon's monitored area, all reporting in the last two days. This October they range from 36.4mm to 59.9mm. The nearest is Rainfall gauge nr Chelmsford (south), 0.1km away. Rain can be very local, so one street may differ from the average.
12.2mm
Yesterday (23 Oct 2026)
27.8mm
Last 7 days
51.7mm
October so far
vs 57.7mm avg — 10% drier
8.3mm
Today so far (UTC)

Rain forecast

Next 24 hours: about 6.6mm of rain forecast for the area around Sandon, heaviest in the hour to 19:00 (2.8mm).

A computer model forecast (DWD ICON) for a square about 15 km across, updated 17:05 UK time. It is a forecast, not a measurement, and not a Met Office forecast. Weather data by Open-Meteo (CC BY 4.0).

Next 4 days

Daily totals for UK days from the same computer model; "dry" means under 0.2mm. Forecasts further ahead are less certain.

🏠 Thinking of buying in Sandon? Get the Property Flood-Risk Report for any Sandon postcode — official risk band, recorded floods since 1946, warning history, river behaviour and nearby storm overflows. £19 one-off, instant. Learn more →
⚠️ Yesterday's 9.0mm at Rainfall gauge nr Chelmsford (south) was the wettest day at this gauge since 8 Sep 2026 and in the top 9.5% of 378 rain days in this gauge's 2-year record.
⚠️ Yesterday's 12.2mm at Rainfall gauge nr Chelmsford (west) was the wettest day at this gauge since 8 Sep 2026, a new October daily high in this gauge's 2-year record, and in the top 3.9% of 466 rain days ranked here.
⚠️ Yesterday's 10.1mm at Rainfall gauge nr Downham was the wettest day at this gauge since 8 Sep 2026 and in the top 5.8% of 448 rain days in this gauge's 2-year record.

Nearest rain gauges to Sandon

GaugeDistanceYesterday7 daysOctoberToday
Rainfall gauge nr Chelmsford (south) nr Chelmsford 0.1km 9.0mm 18.8mm 36.4mm 6.0mm
Rainfall gauge nr Chelmsford (west) nr Chelmsford 6.0km 12.2mm 24.7mm 50.5mm 8.7mm
Rainfall gauge nr Downham nr Downham 10.0km 10.1mm 30.0mm 55.9mm 9.0mm

Last 30 days (average of 9 gauges within 15km)

Daily totals 24 Sep–23 Oct. Wettest day: 12.2mm.

Rain days this October

15 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Chelmsford (south), against a full-month average of 18.1 rain days (based on 2 months of records at this gauge).

Rainfall year by year in Sandon

2026 so far: 360 mm (1 Jan to 23 Oct), against 428 mm by the same date in an average year (2005–2025) — 16% drier.

One bar per calendar year, the average of 8 local rain gauges: the Environment Agency's quality-checked daily archive, then live telemetry for the latest months. Wettest: 2012 (803 mm). Driest: 2005 (418 mm). Average: 563 mm a year. Striped years have gaps in the record, so no total is shown for them.

Wettest days and storms in Sandon

Wettest days since 2003

  1. 48.1 mm 2 Oct 2020up to 59.4 mm at one gauge
  2. 38.1 mm 9 Aug 2017up to 48.8 mm at one gauge
  3. 34.3 mm 3 Dec 2020up to 36.0 mm at one gauge
  4. 34.1 mm 24 Aug 2013up to 65.0 mm at one gauge
  5. 33.6 mm 7 Dec 2023up to 87.1 mm at one gauge

Storms that brought the most rain here

  1. 33.5 mm Storm Angus · 19–21 Nov 2016
  2. 25.4 mm Storm Babet · 18–22 Oct 2023
  3. 25.4 mm Storm Henk · 2–5 Jan 2024
  4. 20.9 mm Storm Ciaran · 1–2 Nov 2023
  5. 20.2 mm Storm Conall · 26–27 Nov 2024

Daily totals are the average of 8 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.

Average rainfall in Sandon

Sandon gets about 563 mm of rain a year on average (wettest month October, 61 mm; driest March, 34 mm). That is drier than 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), 1.4 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.

Gauges and storm overflows around Sandon

Rain gauge River gauge Storm overflow

Rivers near Sandon

River Can the largest river near Sandon

Nearest gauge on it: Beach's Mill, 4.8 km away: 0.40 m Rising ▲.

Every gauge on the River Can →

Nearest river gauges

A level is shown only when the gauge's latest reading is under 6 hours old. Distances are straight-line from the centre of Sandon's monitored area.

Storm overflows near Sandon

8 storm overflows within 5 km of the centre of Sandon's monitored area. None of the 8 with a live status is discharging right now.

The most spills in 2025

Sewage & storm overflows →

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: © Anglian 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.

About Sandon

Sandon, Essex
Photo: Wikimedia Commons (author and licence on the file page)

Village in Essex, England

Sandon is a village and civil parish in the Chelmsford district of Essex, England. It lies 2.5 miles (4 km) south-east of the centre of Chelmsford, close to junction 17 of the A12 and adjacent to Great Baddow. At the 2021 census the parish had a population of 1,535.

From Wikipedia, the free encyclopedia (CC BY-SA 4.0).

Frequently asked questions

How much rain fell in Sandon yesterday?

12.2mm of rain fell yesterday (23 Oct 2026), from the average of 9 rain gauges within 15km of Sandon.

Is this month wetter than normal in Sandon?

October so far: 51.7mm vs 57.7mm October average — 10% drier (the average covers the whole month; we are 24 days in). Figures are the average of 9 rain gauges within 15km.

Where is the nearest rain gauge to Sandon?

Rainfall gauge nr Chelmsford (south) is the nearest rain gauge, 0.1km from the centre of Sandon's monitored area. Rain gauges can be several kilometres from the town itself, so very local downpours may not register exactly.

How many rain days has Sandon had this month?

15 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Chelmsford (south), against a full-month average of 18.1 rain days.

What was the wettest year in Sandon?

2012 was the wettest year in the record since 2005, with 803 mm from the average of 8 local rain gauges, against an average of 563 mm a year. The driest was 2005, with 418 mm.

What is the wettest day on record in Sandon?

2 Oct 2020: 48.1 mm on average across 8 local rain gauges, and up to 59.4 mm at one of them. Records since 21 Nov 2003.

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 Sandon's monitored area — local rainfall can vary over short distances.