Home › Rainfall › Biggar

Rainfall in Biggar

How much rain fell in Biggar, South Lanarkshire? Daily, weekly and monthly totals averaged over the SEPA rain gauges within 15km, updated every 15 minutes.

The average of 3 rain gauges within 15km of the centre of Biggar's monitored area, all reporting in the last two days. This October they range from 96.3mm to 145.0mm. The nearest is Biggar Burn, 0.0km away. Rain can be very local, so one street may differ from the average.
29.2mm
Yesterday (23 Oct 2026)
44.6mm
Last 7 days
120.8mm
October so far
14.4mm
Today so far (UTC)

Rain forecast

Next 24 hours: about 8.3mm of rain forecast for the area around Biggar, heaviest in the hour to Sun 01:00 (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.

🏠 Thinking of buying in Biggar? Get the Property Flood-Risk Report for any Biggar postcode — official risk band, recorded floods since 1946, warning history, river behaviour and nearby storm overflows. £19 one-off, instant. Learn more →
⚠️ Yesterday's 21.3mm at Biggar Burn was the wettest day in this gauge's very short record and in the top 0.1% of 35 rain days ranked here (short record — treat with caution).
⚠️ Yesterday's 34.0mm at Coulter Reservoir was the wettest day in this gauge's very short record and in the top 0.1% of 36 rain days ranked here (short record — treat with caution).
⚠️ Yesterday's 32.2mm at Linkumdoddie was the wettest day in this gauge's very short record and in the top 0.1% of 39 rain days ranked here (short record — treat with caution).

Nearest rain gauges to Biggar

GaugeDistanceYesterday7 daysOctoberToday
Biggar Burn 0.0km 21.3mm 32.2mm 96.3mm 12.4mm
Coulter Reservoir nr Culter Water Head 13.0km 34.0mm 53.2mm 145.0mm 18.4mm
Linkumdoddie 13.9km 32.2mm 48.4mm 121.2mm 12.4mm

Last 30 days (average of 3 gauges within 15km)

Daily totals 24 Sep–23 Oct. Wettest day: 29.2mm.

Rain days this October

15 days with at least 0.2mm of rain so far this October at Biggar Burn.

Rainfall year by year: western Scotland

The rain gauges near Biggar do not have a long enough daily record yet, so this is the Met Office series for the wider region.

Yearly rainfall 1986–2025, with the dashed line at the 1991–2020 average. Wettest: 2011 (2,280 mm). Driest: 2010 (1,368 mm). Source: Met Office HadUK-Grid areal series, Open Government Licence v3.0.

Average rainfall in Biggar

Biggar gets about 1,057 mm of rain a year on average (wettest month October, 110 mm; driest April, 59 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), 1.8 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 Biggar

Rain gauge River gauge Storm overflow Discharging now

Rivers near Biggar

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 Biggar's monitored area.

Storm overflows near Biggar

3 storm overflows within 5 km of the centre of Biggar's monitored area. 2 are discharging now, 1 report not discharging.

Discharging now, then the most spills in the latest annual return

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: © Scottish Water, near-real-time Overflow Map data, open licence for reuse. EDM monitors indicate overflows; they do not confirm them, and this is not advice on water quality.

About Biggar

Biggar, South Lanarkshire
Photo: Wikimedia Commons (author and licence on the file page)

Human settlement in Scotland

Biggar is a town, parish and former burgh in South Lanarkshire, Scotland, in the Southern Uplands near the River Clyde on the A702. The closest neighbouring towns are Lanark, Peebles and Carluke.

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

Frequently asked questions

How much rain fell in Biggar yesterday?

29.2mm of rain fell yesterday (23 Oct 2026), from the average of 3 rain gauges within 15km of Biggar.

Is this month wetter than normal in Biggar?

October so far: 120.8mm, from the average of 3 rain gauges within 15km of Biggar. There is not yet enough history to compute a reliable October average.

Where is the nearest rain gauge to Biggar?

Biggar Burn is the nearest rain gauge, 0.0km from the centre of Biggar's monitored area. Rain gauges can be several kilometres from the town itself, so very local downpours may not register exactly.

Rainfall data: SEPA 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 Biggar's monitored area — local rainfall can vary over short distances.