Annual Rainfall Across England: Regional Breakdown

England's rainfall varies dramatically—2.5× difference between the wettest (Lake District) and driest (East Anglia) regions—driven by prevailing westerlies, orographic lift, and rain shadows.

Regional Averages (Met Office 1991–2020 Climate Normals)

Seasonal Pattern

  • Autumn/Winter (Oct–Jan): 40–45% of annual total (Atlantic depressions)
  • Spring (Feb–May): 25–30% (showery, convective)
  • Summer (Jun–Sep): 25–30% (thunderstorms, localized)

Climate Change Signal

  • Winters wetter (+10–15% since 1960s)
  • Summers drier in south/east, more intense downpours
  • Extreme rainfall days increasing (flash flood risk)

For gardeners, builders, and flood planners: know your 1 km grid square average (Met Office UKCP18) — regional figures mask hyperlocal variation.

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RegionAnnual Rainfall (mm)Annual Rainfall (inches)Character
Northwest England (Lake District, Pennines)1,200–2,000+47–79+Orographic maximum; Seathwaite ~3,500 mm
Southwest England (Dartmoor, Exmoor, Cornwall)1,000–1,60039–63Atlantic frontal systems + elevation
Yorkshire & The Humber800–1,20031–47Pennine rain shadow east of peaks
West Midlands700–90028–35Moderate; urban heat island reduces snow
Northeast England650–85026–33Rain shadow of Scottish hills + Pennines
East Midlands600–75024–30Continental influence, summer convection
London & Southeast550–70022–28Driest broad region; Thames rain shadow
East of England (East Anglia)500–65020–26Lowest; continental air, flat terrain