Caerphilly, United Kingdom Weather

  1. Caerphilly, United Kingdom Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Caerphilly over the next 12 hours
  7. Temperature and possibility of rain in Caerphilly in the coming days
  8. Rainfall in Caerphilly in the coming days
  9. Caerphilly Weather Summary
  10. Weather averages by month
  11. Caerphilly's weather
  12. Frequently asked questions
  13. Comments
Caerphilly, Weather
(Photo by Viktor Forgacs on Unsplash)

Current conditions

Updated:
15°C
59.0°F
°C °F

Condition: Overcast

Pressure: 1,004 hPa

Feel like: 16 °C

Temperature: 15°C

Cloud: 100%

Humidity: 98%

Wind: WSW - 10 km/h

Visibility: 15.66 km

Weather forecast

Sun
21 Jun
20°C / 29°C
Slight Thunderstorm
Mon
22 Jun
18°C / 29°C
Clear Sky
Tue
23 Jun
15°C / 29°C
Clear Sky
Wed
24 Jun
19°C / 27°C
Overcast
Thu
25 Jun
17°C / 28°C
Overcast
Hourly forecast today:
00:00 AM
15° / 15°
15° / 15°
Overcast
98% 20 km/h
01:00 AM
15° / 15°
15° / 15°
Overcast
99% 16 km/h
02:00 AM
15° / 16°
15° / 16°
Drizzle
98% 26 km/h
03:00 AM
15° / 16°
15° / 16°
Overcast
98% 29 km/h
04:00 AM
15° / 15°
15° / 15°
Overcast
98% 27 km/h
05:00 AM
15° / 15°
15° / 15°
Overcast
100% 25 km/h
06:00 AM
15° / 15°
15° / 15°
Moderate Drizzle
99% 26 km/h
07:00 AM
15° / 15°
15° / 15°
Overcast
97% 25 km/h
08:00 AM
15° / 15°
15° / 15°
Overcast
95% 23 km/h
09:00 AM
14° / 16°
14° / 16°
Overcast
88% 21 km/h
10:00 AM
14° / 17°
14° / 17°
Overcast
79% 26 km/h

30 Day Averages and Extremes

  • Average high 19.3°C
  • Average low 12.7°C
  • Hottest day 31°C (26 June 2026)
  • Coldest day 0°C (02 July 2026)
  • Average humidity 70.47%
  • Days with precipitation 24 days
  • Highest precipitation 88 mm (05 June 2026)

Yesterday's Data

  • Max: 21°C
  • Min: 15°C
  • Total Precipitation: 1 mm

Temperature and possibility of rain in Caerphilly over the next 12 hours

Temperature and possibility of rain in Caerphilly in the coming days

Rainfall in Caerphilly in the coming days

Caerphilly Climate Summary

Caerphilly features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 10.94ºC (51.69ºF), which is about 0.19% higher than the national average for United Kingdom. Annually, the city experiences approximately 39.39 millimeters (1.55 inches) of rainfall, spread across 96.09 rainy days, accounting for 26.33% of the year.

Longitude 51.578829
Latitude -3.218134
Yearly high temperature 12.8ºC (55.04ºF)
Yearly low temperature 7.44ºC (45.39ºF)
Hottest month July 19.06ºC (66.31ºF)
Coldest month December 4.55ºC (40.19ºF)
Yearly precip 39.39mm (1.55in)
Days with rainfall 96.09 days (26.33%)
Driest month April (81.92%)
Wettest month December (87.1%)

Weather averages by month

Month High / Low (°C) Rain
January 7.06° / 3.33° 8.45 days
February 7.43° / 3.37° 7.27 days
March 9.4° / 3.71° 6.82 days
April 12.13° / 5.36° 6.55 days
May 14.57° / 7.82° 7.27 days
June 17.1° / 10.54° 9.0 days
July 19.06° / 12.4° 7.18 days
August 18.44° / 12.53° 9.91 days
September 16.83° / 10.71° 6.09 days
October 13.62° / 8.87° 8.64 days
November 9.94° / 6.08° 9.27 days
December 8.06° / 4.55° 9.64 days

Caerphilly's weather

Frequently asked questions

1. What is the hottest month in Caerphilly?

July has the highest average monthly temperature (daily mean of 19.06ºC) and December are the coolest (daily mean of 4.55ºC).

2. What should I wear in Caerphilly today?

For today's very hot weather in Caerphilly, with the high temperatures above 27ºC (80.6ºF), consider wearing:
- Loose and airy fabrics like linen or cotton
- Open-toed sandals or light sneakers
- Sunscreen for skin protection
- UV-protective sunglasses

Temperature

Early
15°C / 16°C
Morning
14°C / 16°C
Afternoon
9°C / 21°C
Evening
13°C / 17°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 447
  • CO 96
  • NH3 0
  • NO2 3
  • O3 46
  • PM10 5
  • PM25 3
  • SO2 0
  • CH4 1,373

Sunrise / Sunset

03:55
20:33