Caerphilly in August

7.0out of 10

Possible, with caveats

Mild: highs around 19°C. Frequent rain: about 12 rainy days.

19°CAvg high
13°CAvg low
12Rainy days (87 mm)
14:24 hDaylight
06:05Sunrise · 20:29 Sunset

Why this score

  • Mild: highs around 19°C
  • Frequent rain: about 12 rainy days
  • Rain varies a lot between years (±4.7 days)

What to wear and pack

  • Layers you can add or remove
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in August varies a lot between years (±4.7 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

7° 3° J 8° 3° F 9° 4° M 12° 6° A 15° 9° M 18° 11° J 19° 13° J 19° 13° A 17° 11° S 14° 9° O 10° 6° N 8° 4° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 7°C3°C95 mm 15– – 4.7
February 8°C3°C75 mm 11– – 5.3
March 9°C4°C68 mm 12– – 5.5
April 12°C6°C70 mm 11– – 5.9
May 15°C9°C73 mm 12– – 6.3
June 18°C11°C71 mm 11– – 6.9
July 19°C13°C74 mm 12– – 7.1
August 19°C13°C87 mm 12– – 7.0
September 17°C11°C74 mm 11– – 6.8
October 14°C9°C106 mm 14– – 5.8
November 10°C6°C102 mm 14– – 5.2
December 8°C4°C107 mm 14– – 4.8

Frequently asked questions

How hot is Caerphilly in August?

Daytime highs average 19°C and nights about 13°C.

When is the best time to visit Caerphilly?

The best months are July, August, June, September.