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:
25°C
77.0°F
°C °F

Condition: Clear Sky

Pressure: 1,006 hPa

Feel like: 24 °C

Temperature: 25°C

Cloud: 8%

Humidity: 39%

Wind: WSW - 5 km/h

Visibility: 25.02 km

Weather forecast

Sun
09 Aug
13°C / 24°C
Overcast
Mon
10 Aug
15°C / 27°C
Mainly Clear
Tue
11 Aug
15°C / 31°C
Overcast
Wed
12 Aug
16°C / 27°C
Mainly Clear
Thu
13 Aug
18°C / 28°C
Overcast
Hourly forecast today:
17:00 PM
10° / 25°
10° / 25°
Clear Sky
39% 14 km/h
18:00 PM
11° / 24°
11° / 24°
Clear Sky
42% 14 km/h
19:00 PM
12° / 22°
12° / 22°
Clear Sky
53% 11 km/h
20:00 PM
13° / 20°
13° / 20°
Clear Sky
68% 6 km/h
21:00 PM
12° / 19°
12° / 19°
Clear Sky
63% 10 km/h
22:00 PM
12° / 18°
12° / 18°
Clear Sky
70% 6 km/h
23:00 PM
12° / 19°
12° / 19°
Overcast
67% 8 km/h
00:00 AM
11° / 18°
11° / 18°
Clear Sky
65% 15 km/h
01:00 AM
11° / 17°
11° / 17°
Clear Sky
71% 12 km/h
02:00 AM
12° / 16°
12° / 16°
Clear Sky
77% 5 km/h
03:00 AM
11° / 16°
11° / 16°
Partly Cloudy
73% 7 km/h

30 Day Averages and Extremes

  • Average high 21.17°C
  • Average low 12.8°C
  • Hottest day 31°C (11 August 2026)
  • Coldest day 0°C (21 August 2026)
  • Average humidity 62.67%
  • Days with precipitation 14 days
  • Highest precipitation 62 mm (03 August 2026)

Yesterday's Data

  • Max: 25°C
  • Min: 12°C
  • Total Precipitation: 0 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 25ºC (77.0ºF), consider wearing:
- Wide-brimmed sun hat
- Loose and airy fabrics like linen or cotton
- Sunscreen for skin protection
- Thin, moisture-wicking socks

Temperature

Early
9°C / 13°C
Morning
11°C / 18°C
Afternoon
9°C / 24°C
Evening
12°C / 19°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 432
  • CO 139
  • NH3 2
  • NO2 2
  • O3 86
  • PM10 7
  • PM25 5
  • SO2 0
  • CH4 1,366

Sunrise / Sunset

04:49
19:47