Cornwall Weather in May
Cornwall in May
The short of it: Cornwall in May averages a high of 14 °C (57 °F) and a low of 4 °C (40 °F), with 90 mm (3.5 in) of rain and about 14 h 57 min of daylight. Rated 2 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.
Average high 14° · low 4° · rain 90 mm · daylight 14 h 57 min
✦✦ Travel with care for a visit · best months: July & August
May in Cornwall brings afternoons near 14° and nights around 4°, with about 90 mm of rain over the month. Spring takes hold here: highs climb 7° from April to about 14°, with nights near 4°. Wet spells are common — about 90 mm, the 8th wettest month. The snow cover usually melts away this month.
The sun is up for about 14 h 57 min in mid-May, 88 minutes more than a month before.
For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates May 2 of 5 for a visit; the finest months here are July and August.
Against its neighbours, Cornwall runs warmer than most and wetter than most in May. Clyde River, 4 km to the WSW, sees much the same highs.
May in Cornwall, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 8th wettest of 12
- Versus April
- 7° warmer, 8.0 mm more rain
- Versus June
- 5° colder
- Day–night spread
- 10°
- Snow season
- Dec–Apr
- Daylight, mid-month
- 14 h 57 min
- Average wind
- 17 km/h
Neighbouring Towns
May averages · distance by the crow’s flight| Town | Distance | High | Low | Rain |
|---|---|---|---|---|
| Clyde RiverPrince Edward Island | 4 km WSW | 14° | 4° | 89 mm |
| Lewis PointPrince Edward Island | 5 km ENE | 14° | 4° | 90 mm |
| West RoyaltyPrince Edward Island | 6 km NE | 14° | 4° | 90 mm |
| BrightonPrince Edward Island | 6 km E | 13° | 4° | 89 mm |
| Spring ParkPrince Edward Island | 6 km ENE | 13° | 4° | 89 mm |
| Downtown CharlottetownPrince Edward Island | 7 km E | 13° | 4° | 89 mm |
| CharlottetownPrince Edward Island | 7 km E | 13° | 4° | 89 mm |
| Mt. EdwardPrince Edward Island | 8 km ENE | 14° | 4° | 90 mm |