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:
5°C
41.0°F
°C °F

Condition: Overcast

Pressure: 1,001 hPa

Feel like: 1 °C

Temperature: 5°C

Cloud: 100%

Humidity: 87%

Wind: NE - 17 km/h

Visibility: 5.46 km

Weather forecast

Wed
11 Nov
7°C / 9°C
Drizzle Dense Intensity
Thu
12 Nov
2°C / 7°C
Overcast
Fri
13 Nov
0°C / 7°C
Overcast
Sat
14 Nov
-2°C / 6°C
Overcast
Sun
15 Nov
3°C / 13°C
Moderate Rain
Hourly forecast today:
03:00 AM
3° / 5°
3° / 5°
Overcast
87% 37 km/h
04:00 AM
3° / 5°
3° / 5°
Overcast
86% 38 km/h
05:00 AM
3° / 5°
3° / 5°
Overcast
86% 38 km/h
06:00 AM
4° / 6°
4° / 6°
Overcast
87% 38 km/h
07:00 AM
4° / 6°
4° / 6°
Overcast
87% 34 km/h
08:00 AM
4° / 6°
4° / 6°
Overcast
85% 34 km/h
09:00 AM
4° / 6°
4° / 6°
Overcast
83% 34 km/h
10:00 AM
4° / 6°
4° / 6°
Overcast
83% 37 km/h
11:00 AM
4° / 7°
4° / 7°
Overcast
80% 39 km/h
12:00 PM
4° / 7°
4° / 7°
Overcast
78% 36 km/h
13:00 PM
4° / 8°
4° / 8°
Overcast
77% 35 km/h

30 Day Averages and Extremes

  • Average high 9.53°C
  • Average low 5.0°C
  • Hottest day 15°C (27 October 2026)
  • Coldest day -2°C (14 November 2026)
  • Average humidity 80.27%
  • Days with precipitation 16 days
  • Highest precipitation 78 mm (27 October 2026)

Yesterday's Data

  • Max: 6°C
  • Min: 4°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 cold weather in Caerphilly, with temperatures ranging from 5ºC to 8ºC (41.0ºF to 46.4ºF), you should wear:
- Wool or thermal socks
- Hat and gloves, particularly for early mornings or evenings
- Long pants (jeans or other thick materials)
- Warm jacket or medium-weight coat

Temperature

Early
3°C / 5°C
Morning
4°C / 6°C
Afternoon
5°C / 8°C
Evening
6°C / 7°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 455
  • CO 198
  • NH3 0
  • NO2 11
  • O3 41
  • PM10 23
  • PM25 20
  • SO2 1
  • CH4 1,464

Sunrise / Sunset

07:22
16:30