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Rainfall in Lewes

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

The average of 7 rain gauges within 15km of the centre of Lewes's monitored area, all reporting in the last two days. This October they range from 94.1mm to 142.2mm. The nearest is Rainfall gauge nr Lewes (north-east), 3.7km away. Rain can be very local, so one street may differ from the average.
0.4mm
Yesterday (25 Oct 2026)
78.0mm
Last 7 days
111.7mm
October so far
vs 104.1mm avg — 7% wetter
1.7mm
Today so far (UTC)

Rain forecast

Next 24 hours: about 2.4mm of rain forecast for the area around Lewes, heaviest in the hour to Tue 07:00 (1.5mm).

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.

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Nearest rain gauges to Lewes

GaugeDistanceYesterday7 daysOctoberToday
Rainfall gauge nr Lewes (north-east) 3.7km 0.5mm 72.2mm 97.5mm 1.2mm
Rainfall gauge nr Lewes (north) 3.9km 0.7mm 84.7mm 115.1mm 2.3mm
Rainfall gauge nr Lewes (west) 8.0km 0.7mm 98.2mm 142.2mm 3.7mm

Last 30 days (average of 7 gauges within 15km)

Daily totals 26 Sep–25 Oct. Wettest day: 30.4mm.

Rain days this October

14 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Lewes (north-east), against a full-month average of 17.7 rain days (based on 23 months of records at this gauge).

Rainfall year by year in Lewes

2026 so far: 643 mm (1 Jan to 25 Oct), against 653 mm by the same date in an average year (2000–2025) — about average.

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: 2000 (1,335 mm). Driest: 2003 (604 mm). Average: 897 mm a year.

Wettest days and storms in Lewes

Wettest days since 2000

  1. 81.6 mm 11 Oct 2000up to 133.8 mm at one gauge
  2. 68.1 mm 4 Jul 2000up to 98.0 mm at one gauge
  3. 44.0 mm 10 Jun 2010up to 72.0 mm at one gauge
  4. 43.0 mm 19 Jul 2019up to 74.0 mm at one gauge
  5. 42.7 mm 9 Feb 2009up to 74.4 mm at one gauge

Storms that brought the most rain here

  1. 66.8 mm Storm Babet · 18–22 Oct 2023
  2. 49.1 mm Storm Angus · 19–21 Nov 2016
  3. 35.3 mm Storm Henk · 2–5 Jan 2024
  4. 31.3 mm Storm Bella · 26–27 Dec 2020
  5. 30.8 mm Storm Boelo · 24–25 Oct 2026

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.

Average rainfall in Lewes

Lewes gets about 903 mm of rain a year on average (wettest month November, 111 mm; driest April, 50 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), 1.8 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 Lewes

Rain gauge River gauge Storm overflow

Rivers near Lewes

River Ouse the largest river near Lewes

Nearest gauge on it: Lewes Corporation Yard, 1.5 km away: 1.90 mAOD Steady.

Every gauge on the River Ouse →

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 Lewes's monitored area.

Storm overflows near Lewes

7 storm overflows within 5 km of the centre of Lewes's monitored area. None of the 7 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: © Southern 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 Lewes

Lewes
Photo: Wikimedia Commons (author and licence on the file page)

County town of East Sussex, England

Lewes is the county town of East Sussex, England. The town is the administrative centre of the wider district of the same name. and lies on the River Ouse at the point where the river cuts through the South Downs. Lewes is approximately 7 miles (11 km) northeast of Brighton, 11 miles (18 km) northwest of Eastbourne, and 25 miles (40 km) west of Hastings. At the 2021 census, the parish had a population of 16,723.

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

Frequently asked questions

How much rain fell in Lewes yesterday?

0.4mm of rain fell yesterday (25 Oct 2026), from the average of 7 rain gauges within 15km of Lewes.

Is this month wetter than normal in Lewes?

October so far: 111.7mm vs 104.1mm October average — 7% wetter (the average covers the whole month; we are 26 days in). Figures are the average of 7 rain gauges within 15km.

Where is the nearest rain gauge to Lewes?

Rainfall gauge nr Lewes (north-east) is the nearest rain gauge, 3.7km from the centre of Lewes'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 Lewes had this month?

14 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Lewes (north-east), against a full-month average of 17.7 rain days.

What was the wettest year in Lewes?

2000 was the wettest year in the record since 2000, with 1,335 mm from the average of 7 local rain gauges, against an average of 897 mm a year. The driest was 2003, with 604 mm.

What is the wettest day on record in Lewes?

11 Oct 2000: 81.6 mm on average across 7 local rain gauges, and up to 133.8 mm at one of them. Records since 1 Jan 2000.

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