Weather in Guernesey in août
Country-wide climate normals across 11 cities in Guernesey.
How Hot Is Guernesey in août?
Guernesey's small geographic footprint means August is uniformly mild — typical 18°C highs nationwide.
Sunshine in Guernesey in août
Sun and cloud trade off across Guernesey in August: Saint Peter Port averages 4.6h of direct sun a day, with daylight from 6:00 am to 8:25 pm. Conditions vary day to day, with bright spells interrupted by cloudy stretches. Most regions of the country see a similar mixed pattern, though some areas may lean drier or wetter than the national average.
Does It Rain In Guernesey In août?
Guernesey sees moderate rainfall in August — Saint Peter Port averages 70mm across 9 days, with notable regional variation. Coastal cities often see more rain than the inland average, while drier regions see less. The country's August weather mixes sunny stretches with regular shower spells.
Is Guernesey Humid In août?
Heavy oppressive humidity covers Guernesey in August: 82% on average in Saint Peter Port, and similar saturating conditions exist nationwide. The air feels thick and heavy from sunrise to sundown, with little overnight respite. Coastal and tropical regions feel especially stifling.
Wind In Guernesey In août
Breezy conditions cover Guernesey's August: Saint Peter Port sits at 30 kph on average, with the country as a whole feeling windy through the day. Afternoon winds pick up across most cities, and coastal regions often run significantly higher.
Cloud Cover In Guernesey In août
Cloudy skies dominate Guernesey in August — 59% cover in Saint Peter Port, with similar overcast conditions in most regions. Direct sun is patchy and broken; expect grey stretches between brief bright moments. Coastal areas may be heavier than inland.