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:
11°C
51.8°F
°C °F

Condition: Clear Sky

Pressure: 1,006 hPa

Feel like: 8 °C

Temperature: 11°C

Cloud: 5%

Humidity: 68%

Wind: WNW - 19 km/h

Visibility: 43.58 km

Weather forecast

Sun
11 Oct
13°C / 18°C
Moderate Rain
Mon
12 Oct
11°C / 17°C
Slight Rain
Tue
13 Oct
10°C / 16°C
Overcast
Wed
14 Oct
12°C / 17°C
Slight Rain
Thu
15 Oct
7°C / 13°C
Moderate Drizzle
Hourly forecast today:
09:00 AM
6° / 11°
6° / 11°
Clear Sky
68% 37 km/h
10:00 AM
7° / 11°
7° / 11°
Drizzle
76% 31 km/h
11:00 AM
6° / 12°
6° / 12°
Partly Cloudy
63% 35 km/h
12:00 PM
5° / 13°
5° / 13°
Partly Cloudy
57% 45 km/h
13:00 PM
4° / 13°
4° / 13°
Partly Cloudy
53% 44 km/h
14:00 PM
4° / 13°
4° / 13°
Overcast
56% 40 km/h
15:00 PM
4° / 13°
4° / 13°
Overcast
56% 39 km/h
16:00 PM
4° / 12°
4° / 12°
Partly Cloudy
59% 35 km/h
17:00 PM
5° / 12°
5° / 12°
Partly Cloudy
63% 29 km/h
18:00 PM
5° / 10°
5° / 10°
Clear Sky
70% 24 km/h
19:00 PM
5° / 10°
5° / 10°
Clear Sky
72% 22 km/h

30 Day Averages and Extremes

  • Average high 14.9°C
  • Average low 9.47°C
  • Hottest day 21°C (28 September 2026)
  • Coldest day 0°C (23 October 2026)
  • Average humidity 76.73%
  • Days with precipitation 23 days
  • Highest precipitation 65 mm (29 September 2026)

Yesterday's Data

  • Max: 13°C
  • Min: 9°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 cool weather in Caerphilly, with temperatures between 11ºC to 14ºC (51.8ºF to 57.2ºF), you should consider wearing:
- Knit hat (optional for cooler mornings)
- Light jacket or cardigan
- Cotton socks
- Light scarf or wrap

Temperature

Early
7°C / 10°C
Morning
6°C / 11°C
Afternoon
4°C / 13°C
Evening
6°C / 10°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 434
  • CO 165
  • NH3 0
  • NO2 2
  • O3 66
  • PM10 10
  • PM25 3
  • SO2 1
  • CH4 1,392

Sunrise / Sunset

06:30
17:28