Cornwall Weather in August
Cornwall in August
The short of it: Cornwall in August averages a high of 24 °C (75 °F) and a low of 14 °C (58 °F), with 78 mm (3.1 in) of rain and about 14 h 9 min of daylight. Rated 3 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.
Average high 24° · low 14° · rain 78 mm · daylight 14 h 9 min
✦✦✦ Fair for a visit · best months: July & August
August in Cornwall brings afternoons near 24° and nights around 14°, with about 78 mm of rain over the month. The height of summer in Cornwall, with afternoons near 24°. Wet spells are common — about 78 mm, the 11th wettest month.
The sun is up for about 14 h 9 min in mid-August, 77 minutes less than a month before.
For the traveller: pack light clothes and a jacket for the evening, and an oilskin besides. The Almanac rates August 3 of 5 for a visit; the finest months here are July and August.
Against its neighbours, Cornwall runs about middling and drier than most in August. Clyde River, 4 km to the WSW, sees much the same highs.
August in Cornwall, by the numbers
- Warmth rank
- 1st warmest of 12
- Rain rank
- 11th wettest of 12
- Versus July
- about the same, 2.0 mm more rain
- Versus September
- 4° warmer
- Day–night spread
- 10°
- Snow season
- Dec–Apr
- Daylight, mid-month
- 14 h 9 min
- Average wind
- 14 km/h
Neighbouring Towns
August averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Clyde RiverPrince Edward Island | 4 km WSW | 24° | 14° | 76 mm |
| Lewis PointPrince Edward Island | 5 km ENE | 24° | 15° | 84 mm |
| West RoyaltyPrince Edward Island | 6 km NE | 24° | 15° | 84 mm |
| BrightonPrince Edward Island | 6 km E | 24° | 15° | 82 mm |
| Spring ParkPrince Edward Island | 6 km ENE | 24° | 15° | 82 mm |
| Downtown CharlottetownPrince Edward Island | 7 km E | 24° | 15° | 82 mm |
| CharlottetownPrince Edward Island | 7 km E | 24° | 15° | 82 mm |
| Mt. EdwardPrince Edward Island | 8 km ENE | 24° | 15° | 84 mm |