Caerphilly Weather in May
Caerphilly in May
The short of it: Caerphilly in May averages a high of 16 °C (61 °F) and a low of 7 °C (45 °F), with 76 mm (3.0 in) of rain and about 15 h 36 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 16° · low 7° · rain 76 mm · daylight 15 h 36 min
✦✦✦ Fair for a visit · best months: July & August
Thirty years of records give Caerphilly an average May high of 16°, a low of 7° and some 76 mm of rain. Much like April: highs about 16°, nights near 7°. A wool coat will serve you well. Wet spells are common — about 76 mm, the 11th wettest month.
The sun is up for about 15 h 36 min in mid-May, 108 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 3 of 5 for a visit; the finest months here are July and August.
Against its neighbours, Caerphilly runs warmer than most and drier than most in May. Risca, 9 km to the ENE, sees much the same highs.
May in Caerphilly, by the numbers
- Warmth rank
- 5th warmest of 12
- Rain rank
- 11th wettest of 12
- Versus April
- 3° warmer, 1.0 mm more rain
- Versus June
- 3° colder
- Day–night spread
- 9°
- Snow season
- seldom any
- Daylight, mid-month
- 15 h 36 min
- Average wind
- 15 km/h