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Rainfall in Havant

How much rain fell in Havant, Hampshire? 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 Havant's monitored area, all reporting in the last two days. This October they range from 85.2mm to 155.9mm. The nearest is Rainfall gauge nr Havant, 0.0km away. Rain can be very local, so one street may differ from the average.
3.6mm
Yesterday (26 Oct 2026)
97.2mm
Last 7 days
127.4mm
October so far
vs 101.2mm avg — 26% wetter
3.1mm
Today so far (UTC)

Rain forecast

Next 24 hours: little or no rain forecast for the area around Havant (under 0.2mm).

A computer model forecast (DWD ICON) for a square about 15 km across, updated 05:05 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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⚠️ Yesterday's 3.4mm at Rainfall gauge nr Havant was the wettest day at this gauge since 24 Oct 2026 and in the top 33.9% of 455 rain days in this gauge's 2-year record.
⚠️ Yesterday's 2.8mm at Rainfall gauge nr Portsmouth was the wettest day at this gauge since 24 Oct 2026 and in the top 34.8% of 442 rain days in this gauge's 2-year record.
⚠️ Yesterday's 3.6mm at Rainfall gauge nr Walderton was the wettest day at this gauge since 24 Oct 2026 and in the top 31.1% of 528 rain days in this gauge's 2-year record.

Nearest rain gauges to Havant

GaugeDistanceYesterday7 daysOctoberToday
Rainfall gauge nr Havant 0.0km 3.4mm 92.0mm 120.3mm 1.8mm
Rainfall gauge nr Portsmouth nr Portsmouth 7.6km 2.8mm 94.1mm 116.3mm 2.5mm
Rainfall gauge nr Walderton nr Walderton 8.7km 3.6mm 95.4mm 129.0mm 1.6mm

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

Daily totals 27 Sep–26 Oct. Wettest day: 26.1mm.

Rain days this October

16 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Havant, against a full-month average of 17.2 rain days (based on 2 months of records at this gauge).

Rainfall year by year in Havant

2026 so far: 682 mm (1 Jan to 25 Oct), against 652 mm by the same date in an average year (2002–2025) — 5% 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: 2014 (1,164 mm). Driest: 2003 (665 mm). Average: 883 mm a year.

Wettest days and storms in Havant

Wettest days since 2000

  1. 68.6 mm 15 Sep 2000up to 77.8 mm at one gauge
  2. 61.3 mm 10 Jun 2012up to 80.8 mm at one gauge
  3. 57.5 mm 23 Dec 2013 · 2013-14 UK winter floodsup to 82.4 mm at one gauge
  4. 49.4 mm 5 Nov 2000up to 63.6 mm at one gauge
  5. 49.0 mm 25 May 2008up to 59.2 mm at one gauge

Storms that brought the most rain here

  1. 75.1 mm Storm Babet · 18–22 Oct 2023
  2. 40.7 mm Storm Angus · 19–21 Nov 2016
  3. 40.0 mm Storm Henk · 2–5 Jan 2024
  4. 36.3 mm St Jude storm 2013 · 27–28 Oct 2013
  5. 33.8 mm Storm Callum · 11–14 Oct 2018

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 Havant

Havant gets about 834 mm of rain a year on average (wettest month November, 99 mm; driest May, 46 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), 1.9 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 Havant

Rain gauge River gauge Storm overflow

Rivers near Havant

River Wallington the largest river near Havant

Nearest gauge on it: Denmead, 6.6 km away: 33.53 mAOD Rising ▲.

Every gauge on the River Wallington →

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 Havant's monitored area.

Storm overflows near Havant

13 storm overflows within 5 km of the centre of Havant's monitored area. None of the 10 with a live status is discharging right now, and 3 have no current status.

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 Havant

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

Town in Hampshire, England

Havant is a town in the south-east corner of Hampshire, England. Nearby places include Portsmouth to the south-west, Southampton to the west, Waterlooville to north, Chichester to the east and Hayling Island to the south. The wider borough comprises the town (45,826), the resort of Hayling Island, the town of Waterlooville, and the town of Emsworth. Housing and population more than doubled in the 20 years following World War II, a period of major conversion of land from agriculture and woodland to housing across the region following the incendiary bombing of Portsmouth and the Blitz.

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

Frequently asked questions

How much rain fell in Havant yesterday?

3.6mm of rain fell yesterday (26 Oct 2026), from the average of 7 rain gauges within 15km of Havant.

Is this month wetter than normal in Havant?

October so far: 127.4mm vs 101.2mm October average — 26% wetter (the average covers the whole month; we are 27 days in). Figures are the average of 7 rain gauges within 15km.

Where is the nearest rain gauge to Havant?

Rainfall gauge nr Havant is the nearest rain gauge, 0.0km from the centre of Havant'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 Havant had this month?

16 days with at least 0.2mm of rain so far this October at Rainfall gauge nr Havant, against a full-month average of 17.2 rain days.

What was the wettest year in Havant?

2014 was the wettest year in the record since 2002, with 1,164 mm from the average of 7 local rain gauges, against an average of 883 mm a year. The driest was 2003, with 665 mm.

What is the wettest day on record in Havant?

15 Sep 2000: 68.6 mm on average across 7 local rain gauges, and up to 77.8 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 Havant's monitored area — local rainfall can vary over short distances.