Caerphilly, United Kingdom Weather

Caerphilly,  Weather
(Photo by Viktor Forgacs on Unsplash)

Current conditions

Updated:
8°C
46.4°F
°C °F

Condition: Overcast

Pressure: 1,000 hPa

Feel like: 5 °C

Temperature: 8°C

Cloud: 100%

Humidity: 90%

Wind: SSE - 10 km/h

Visibility: 23.8 km

Weather forecast

Fri
23 Jan
4°C / 7°C
Drizzle Dense Intensity
Sat
24 Jan
2°C / 4°C
Moderate Drizzle
Sun
25 Jan
0°C / 5°C
Overcast
Mon
26 Jan
0°C / 4°C
Drizzle
Tue
27 Jan
-4°C / -1°C
Overcast
Hourly forecast today:
17:00 PM
6° /
6° /
Overcast
90% 30 km/h
18:00 PM
6° /
6° /
Overcast
90% 31 km/h
19:00 PM
6° /
6° /
Overcast
90% 32 km/h
20:00 PM
6° /
6° /
Overcast
90% 32 km/h
21:00 PM
6° /
6° /
Overcast
91% 33 km/h
22:00 PM
6° /
6° /
Overcast
91% 33 km/h
23:00 PM
6° /
6° /
Overcast
92% 33 km/h
00:00 AM
6° /
6° /
Overcast
93% 33 km/h
01:00 AM
6° /
6° /
Drizzle
93% 34 km/h
02:00 AM
6° /
6° /
Drizzle
94% 34 km/h
03:00 AM
6° /
6° /
Drizzle
95% 35 km/h

30 Day Averages and Extremes

  • Average high 5.4°C
  • Average low 1.3°C
  • Hottest day 11°C (11 January 2026)
  • Coldest day -4°C (05 January 2026)
  • Average humidity 86.63%
  • Days with precipitation 26 days
  • Highest precipitation 77 mm (11 January 2026)

Yesterday's Data

  • Max: 8°C
  • Min: 6°C
  • Total Precipitation: 21 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 6ºC to 9ºC (42.8ºF to 48.2ºF), you should wear:
- Wool or thermal socks
- Layered clothing (such as a thermal shirt under a sweater)
- Warm jacket or medium-weight coat
- Long pants (jeans or other thick materials)

Temperature

Early
7°C / 8°C
Morning
8°C / 8°C
Afternoon
7°C / 8°C
Evening
6°C / 7°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 0
  • CO 0
  • NH3 0
  • NO2 0
  • O3 0
  • PM10 0
  • PM25 0
  • SO2 0
  • CH4 0

Sunrise / Sunset

08:04
16:44