Cardiff, United Kingdom Weather

  1. Cardiff, United Kingdom Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Cardiff over the next 12 hours
  7. Temperature and possibility of rain in Cardiff in the coming days
  8. Rainfall in Cardiff in the coming days
  9. Cardiff Weather Summary
  10. Weather averages by month
  11. Cardiff's weather
  12. Frequently asked questions
  13. Comments
Cardiff, Weather
(Photo by Viktor Forgacs on Unsplash)

Current conditions

Updated:
23°C
73.4°F
°C °F

Condition: Clear Sky

Pressure: 1,018 hPa

Feel like: 24 °C

Temperature: 23°C

Cloud: 0%

Humidity: 70%

Wind: E - 11 km/h

Visibility: 19.74 km

Weather forecast

Wed
24 Jun
23°C / 36°C
Slight Thunderstorm
Thu
25 Jun
20°C / 29°C
Slight Thunderstorm
Fri
26 Jun
19°C / 24°C
Moderate Drizzle
Sat
27 Jun
16°C / 20°C
Moderate Drizzle
Sun
28 Jun
15°C / 20°C
Overcast
Hourly forecast today:
08:00 AM
17° / 23°
17° / 23°
Clear Sky
70% 24 km/h
09:00 AM
17° / 24°
17° / 24°
Clear Sky
67% 21 km/h
10:00 AM
18° / 25°
18° / 25°
Clear Sky
64% 16 km/h
11:00 AM
18° / 26°
18° / 26°
Clear Sky
62% 17 km/h
12:00 PM
19° / 28°
19° / 28°
Clear Sky
59% 17 km/h
13:00 PM
18° / 29°
18° / 29°
Clear Sky
49% 23 km/h
14:00 PM
18° / 30°
18° / 30°
Clear Sky
48% 22 km/h
15:00 PM
19° / 30°
19° / 30°
Clear Sky
49% 19 km/h
16:00 PM
19° / 31°
19° / 31°
Clear Sky
49% 19 km/h
17:00 PM
20° / 31°
20° / 31°
Clear Sky
52% 23 km/h
18:00 PM
20° / 30°
20° / 30°
Clear Sky
55% 23 km/h

30 Day Averages and Extremes

  • Average high 21.87°C
  • Average low 14.3°C
  • Hottest day 36°C (23 June 2026)
  • Coldest day 0°C (06 July 2026)
  • Average humidity 64.93%
  • Days with precipitation 22 days
  • Highest precipitation 73 mm (16 June 2026)

Yesterday's Data

  • Max: 31°C
  • Min: 21°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Cardiff over the next 12 hours

Temperature and possibility of rain in Cardiff in the coming days

Rainfall in Cardiff in the coming days

Cardiff Climate Summary

Cardiff features a Marine west coast, warm summer (Köppen classification: Cfb), with an average annual temperature of 11.35ºC (52.43ºF), which is about 0.6% higher than the national average for United Kingdom. Annually, the city experiences approximately 26.81 millimeters (1.06 inches) of rainfall, spread across 72.27 rainy days, accounting for 19.8% of the year.

Longitude 51.481581
Latitude -3.17909
Yearly high temperature 13.14ºC (55.65ºF)
Yearly low temperature 8.04ºC (46.47ºF)
Hottest month July 19.3ºC (66.74ºF)
Coldest month December 5.13ºC (41.23ºF)
Yearly precip 26.81mm (1.06in)
Days with rainfall 72.27 days (19.8%)
Driest month April (81.21%)
Wettest month December (85.56%)

Weather averages by month

Month High / Low (°C) Rain
January 7.56° / 3.96° 5.73 days
February 7.84° / 3.98° 6.91 days
March 9.7° / 4.32° 4.45 days
April 12.32° / 5.91° 3.09 days
May 14.69° / 8.37° 5.73 days
June 17.22° / 11.04° 6.27 days
July 19.3° / 12.96° 5.09 days
August 18.72° / 13.11° 7.82 days
September 17.21° / 11.41° 4.18 days
October 14.07° / 9.57° 7.91 days
November 10.44° / 6.76° 7.18 days
December 8.57° / 5.13° 7.91 days

Cardiff's weather

Frequently asked questions

1. What is the hottest month in Cardiff?

July has the highest average monthly temperature (daily mean of 19.3ºC) and December are the coolest (daily mean of 5.13ºC).

2. What should I wear in Cardiff today?

For today's very hot weather in Cardiff, with the high temperatures above 36ºC (96.8ºF), consider wearing:
- High SPF sunscreen for outdoor activities
- Sleeveless tops or vests
- Broad-brimmed sun hat
- Ultra-thin, breathable socks

Temperature

Early
17°C / 21°C
Morning
17°C / 24°C
Afternoon
19°C / 30°C
Evening
20°C / 25°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 448
  • CO 159
  • NH3 3
  • NO2 12
  • O3 73
  • PM10 18
  • PM25 8
  • SO2 1
  • CH4 1,446

Sunrise / Sunset

03:56
20:34