August · typical climate, not a forecast
Cornwall in August
United Kingdom
Workable
19°C day · 14°C night · 41% rain · 14h daylight · very busy · €1,380 estimated
Live · Cornwall
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Reading…
Live · Tallinn (you)
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Cool Score breakdown
Scored for 5 nights from Tallinn in August.
- Temperature fit90
19.3°C typical high vs your 12–20°C window
w 26 - Heat escape11
1.2°C cooler than Tallinn
w 14 - Rain probability69
41% chance of rain on an average day
w 11 - Daylight hours81
14.3h of daylight mid-month
w 8 - Outdoor conditions80
Comfortable for a full day outside at 19.3°C
w 10 - Crowding26
Very busy for this month
w 8 - Flight + stay cost42
≈€1380 estimated for 5 nights vs €1000 budget
w 12 - Nature access80
8/10 — wild ground within reach
w 6 - City atmosphere62
5/10 urban texture · 8/10 food scene
w 4
Why Cornwall in August
Surfable Atlantic swell and 20°C on the hottest week of the year.
- South West Coast Path
- Cold Atlantic surf
- Harbour seafood
What August in Cornwall is actually like
In August, Cornwall sits around 19°C by day and drops to about 14°C after dark, so a light layer earns its place in the bag even in high summer. That is roughly 1°C cooler than Tallinn at the same time of year — the difference between planning your day around the shade and simply walking out of the door.
Expect rain on roughly 41% of days, usually passing rather than persistent, and about 14 hours of daylight to spend outside. Crowds are very busy this month, and a 5-night trip from Tallinn works out at around €1,380 including flights, a mid-range stay and everyday spending.
Surfable Atlantic swell and 20°C on the hottest week of the year. Days here tend to fill up with south west coast path, cold atlantic surf, harbour seafood — which is why Cornwall scores 62 out of 100 for august: workable.
Other months
Compare the typical climate month by month.