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:
16°C
60.8°F
°C °F

Condition: Slight Rain

Pressure: 1,003 hPa

Feel like: 15 °C

Temperature: 16°C

Cloud: 100%

Humidity: 98%

Wind: WSW - 23 km/h

Visibility: 4.52 km

Weather forecast

Sun
20 Sep
8°C / 19°C
Partly Cloudy
Mon
21 Sep
8°C / 20°C
Fog
Tue
22 Sep
11°C / 17°C
Overcast
Wed
23 Sep
8°C / 17°C
Overcast
Thu
24 Sep
12°C / 16°C
Drizzle
Hourly forecast today:
07:00 AM
16° / 16°
16° / 16°
Slight Rain
98% 46 km/h
08:00 AM
16° / 17°
16° / 17°
Partly Cloudy
93% 47 km/h
09:00 AM
16° / 17°
16° / 17°
Overcast
91% 39 km/h
10:00 AM
15° / 17°
15° / 17°
Overcast
88% 36 km/h
11:00 AM
15° / 17°
15° / 17°
Drizzle
92% 29 km/h
12:00 PM
15° / 16°
15° / 16°
Drizzle Dense Intensity
95% 28 km/h
13:00 PM
15° / 16°
15° / 16°
Moderate Drizzle
95% 26 km/h
14:00 PM
15° / 16°
15° / 16°
Drizzle
95% 24 km/h
15:00 PM
16° / 16°
16° / 16°
Drizzle
95% 26 km/h
16:00 PM
15° / 16°
15° / 16°
Drizzle
94% 27 km/h
17:00 PM
15° / 16°
15° / 16°
Drizzle
94% 24 km/h

30 Day Averages and Extremes

  • Average high 16.67°C
  • Average low 10.9°C
  • Hottest day 24°C (05 September 2026)
  • Coldest day 0°C (02 October 2026)
  • Average humidity 78.03%
  • Days with precipitation 26 days
  • Highest precipitation 71 mm (12 September 2026)

Yesterday's Data

  • Max: 17°C
  • Min: 14°C
  • Total Precipitation: 5 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 mild weather in Caerphilly, with temperatures between 14ºC to 17ºC (57.2ºF to 62.6ºF), consider wearing:
- Light jacket (for cooler periods)
- Cotton socks
- Scarf (optional)
- Casual sneakers or loafers

Temperature

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

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 434
  • CO 153
  • NH3 0
  • NO2 1
  • O3 77
  • PM10 10
  • PM25 5
  • SO2 0
  • CH4 1,364

Sunrise / Sunset

05:55
18:16