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:
21°C
69.8°F
°C °F

Condition: Partly Cloudy

Pressure: 1,013 hPa

Feel like: 19 °C

Temperature: 21°C

Cloud: 64%

Humidity: 45%

Wind: W - 11 km/h

Visibility: 29.58 km

Weather forecast

Sat
08 Aug
15°C / 26°C
Overcast
Sun
09 Aug
14°C / 25°C
Overcast
Mon
10 Aug
16°C / 27°C
Partly Cloudy
Tue
11 Aug
17°C / 27°C
Overcast
Wed
12 Aug
15°C / 25°C
Partly Cloudy
Hourly forecast today:
14:00 PM
8° / 21°
8° / 21°
Partly Cloudy
45% 26 km/h
15:00 PM
9° / 21°
9° / 21°
Partly Cloudy
46% 27 km/h
16:00 PM
9° / 21°
9° / 21°
Partly Cloudy
47% 28 km/h
17:00 PM
9° / 20°
9° / 20°
Clear Sky
49% 22 km/h
18:00 PM
9° / 20°
9° / 20°
Clear Sky
51% 21 km/h
19:00 PM
10° / 18°
10° / 18°
Clear Sky
58% 22 km/h
20:00 PM
11° / 16°
11° / 16°
Clear Sky
69% 18 km/h
21:00 PM
11° / 15°
11° / 15°
Clear Sky
76% 11 km/h
22:00 PM
10° / 14°
10° / 14°
Clear Sky
79% 8 km/h
23:00 PM
10° / 14°
10° / 14°
Clear Sky
78% 11 km/h
00:00 AM
9° / 13°
9° / 13°
Clear Sky
78% 10 km/h

30 Day Averages and Extremes

  • Average high 21.23°C
  • Average low 13.0°C
  • Hottest day 27°C (02 August 2026)
  • Coldest day 0°C (20 August 2026)
  • Average humidity 62.97%
  • Days with precipitation 14 days
  • Highest precipitation 70 mm (03 August 2026)

Yesterday's Data

  • Max: 21°C
  • Min: 10°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 26ºC (78.8ºF), consider wearing:
- Open-toed sandals or light sneakers
- Loose and airy fabrics like linen or cotton
- Breathable shorts or skirts
- Lightweight t-shirt or tank top

Temperature

Early
7°C / 10°C
Morning
9°C / 17°C
Afternoon
9°C / 21°C
Evening
11°C / 15°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 434
  • CO 154
  • NH3 0
  • NO2 1
  • O3 79
  • PM10 6
  • PM25 4
  • SO2 1
  • CH4 1,362

Sunrise / Sunset

04:47
19:49